Weather data is prone to errors, outages, and other defects. Montly weather forecast in Half Moon Bay on Yandex.Weather. for Half Moon Bay, California Find the most current and reliable 36 hour weather forecasts, storm alerts, reports and information for Halfmoon Bay, BC, CA with The Weather Network. December is a hot and dry time for sunbathing in Half Moon Cay.December is a good month for swimming in Half Moon Cay with warm sea temperatures. I am working with NOAA to resolve the issue. Monthly averages Half Moon Bay Longitude: -122.501, Latitude: 37.5134 Average weather Half Moon Bay, CA - 94019. Rain tomorrow morning and afternoon. Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC. Consider visiting Half Moon Bay in the months of June, July, August, September, for the best beach weather.Also consider one of our other suggestions for December. Daily low temperatures decrease by 2°F, from 47°F to 45°F, rarely falling below 38°F or exceeding 53°F. Half Moon Bay Weather Forecasts. The solar day over the course of December. For reference, on September 11, the hottest day of the year, temperatures in Half Moon Bay typically range from 55°F to 67°F, while on December 29, the coldest day of the year, they range from 45°F to 57°F. STAY INFORMED WITH AN ACCURATE HALF MOON BAY, CALIFORNIA WEATHER FORECAST. NOAA is still working on it. Low around 48. This … All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus. Clear skies. Clear skies. The earliest sunset is 4:51 PM on December 5 and the latest sunset is 11 minutes later at 5:02 PM on December 31. Winds NNE at 5 to 10 mph.. Tonight. Averages are for San Francisco International Airport, which is 10 miles from Half Moon Bay. Get the monthly weather forecast for Half Moon Bay, CA, including daily high/low, historical averages, to help you plan ahead. We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader. December is a hot and dry time for sunbathing in Half Moon Cay.December is a good month for swimming in Half Moon Cay with warm sea temperatures. The hourly average wind direction in Half Moon Bay throughout December is predominantly from the north, with a peak proportion of 39% on December 9. Half Moon Bay is located near a large body of water (e.g., ocean, sea, or large lake). Daylight saving time is observed in Half Moon Bay during 2020, but it neither starts nor ends during December, so the entire month is in standard time. Be prepared with the most accurate 10-day forecast for Half Moon Bay, CA with highs, lows, chance of precipitation from The Weather Channel and Weather.com The first month of the winter, December, is still a mild month in Half Moon Bay, California, with average temperature fluctuating between 43.3°F (6.3°C) and 58.8°F (14.9°C). Monthly averages Half Moon Bay Longitude: -122.501, Latitude: 37.5134 Average weather Half Moon Bay, CA - 94019. Air METAR text: KHAF 132015Z AUTO 19010G19KT 160V230 3/4SM BR OVC003 12/12 A3016 RMK AO2: Conditions at: KHAF (HALF MOON BAY , CA, US) observed 2015 UTC 13 December 2020 Half Moon Bay, CA - Weather forecast from Theweather.com. METAR text: KHAF 132015Z AUTO 19010G19KT 160V230 3/4SM BR OVC003 12/12 A3016 RMK AO2: Conditions at: KHAF (HALF MOON BAY , CA, US) observed 2015 UTC 13 December 2020 The lowest daily average low temperature is 45°F on December 30. Lower dew points feel drier and higher dew points feel more humid. Wind guest will occasionally be left off graphs. Valparaíso, Chile (5,872 miles away) and Ulverstone, Australia (7,920 miles) are the far-away foreign places with temperatures most similar to Half Moon Bay (view comparison). Throughout May, 0.8" (19.3mm) of precipitation is accumulated. Low 42F. In Half Moon Bay, during the entire year, the rain falls for 87 days and collects up to … December 12, 2020: WEATHER ALERT Half Moon Bay weather forecast for now and the week ahead — Overcast for the hour. The shaded overlays indicate night and civil twilight. The month with the highest average low temperature is August (11.5°C). The month with the longest days is June (Average daylight: 14.7h). December is a hot and rainy time for sunbathing in Half Moon Bay.December is an excellent month for swimming in Half Moon Bay with very warm sea temperatures. The coldest month (with the lowest average low temperature) is January (6.1°C). Location: Half Moon Bay, CA. To set your location please use the search box to find your location and then click "set as my default location" on the local weather page. The stations contributing to this reconstruction are: Half Moon Bay Airport (60%, 8 kilometers, northwest); San Carlos Airport (21%, 17 kilometers, east); and San Francisco International Airport (19%, 18 kilometers, north). To set your location please use the search box to find your location and then click "set as my default location" on the local weather page. Next forecast at approx. Earliest sunset is on December 5 or December 6. The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. 1-Day 3-Day 5-Day Graph Plots Open in Graphs This report illustrates the typical weather in Half Moon Bay, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016. Shortwave radiation includes visible light and ultraviolet radiation. For reference, on June 20, the longest day of the year, the Sun rises at 5:48 AM and sets 14 hours, 45 minutes later, at 8:34 PM, while on December 21, the shortest day of the year, it rises at 7:20 AM and sets 9 hours, 35 minutes later, at 4:55 PM. | Resources, A warm and sunny day on a scenic beach in Half Moon Bay, California, In Half Moon Bay, California, the average length of the day in. South wind 7 to 14 mph. Climate (2010–Present) Half Moon Bay Airport (4.3 miles) Take a look at our website widgetsAvailable free! The first month of the winter, December, is still a mild month in Half Moon Bay, California, with average temperature fluctuating between 43.3°F (6.3°C) and 58.8°F (14.9°C). High near 60F. In this report, we use a base of 50°F and a cap of 86°F. The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day). Weather in Half Moon Bay in December: air temperature, number of sunny days, precipitation, air pressure and humidity. ☂ Online precipitation map and other weather maps. weather.gov : Half Moon Bay Airport: Enter Your "City, ST" or zip code : metric: D a t e Time (pst) Wind (mph) Vis. Book Now. To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day. The highest daily average wind speed during December is 10.2 miles per hour on December 13. Based on weather reports collected during 1985–2015. The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands. Station Data. Good availability and great rates. Find the most current and reliable 7 day weather forecasts, storm alerts, reports and information for [city] with The Weather Network. Winds light and variable. For the purposes of this report, the geographical coordinates of Half Moon Bay are 37.464 deg latitude, -122.429 deg longitude, and 69 ft elevation. Tide Times are PST (UTC -8.0hrs). Over the course of December in Half Moon Bay, the length of the day is essentially constant. The percentage of time spent in various temperature bands. ... December 20 . Hourly Weather-Half Moon Bay, CA. Check In Dec 18 Enter Check In Check Out Dec 19 Enter Check Out code. Daily low temperatures decrease by 2°F, from 47°F to 45°F, rarely falling below 38°F or exceeding 53°F. 49.9°F 9.9°C. Thu Dec 17. Average Weather during December in Half Moon Bay (California), United States of America. The area within 2 miles of Half Moon Bay is covered by artificial surfaces (23%), water (22%), grassland (15%), and herbaceous vegetation (13%), within 10 miles by water (40%) and trees (24%), and within 50 miles by water (55%) and grassland (13%). Wind guest will occasionally be left off graphs. Half Moon Bay is a coastal city in San Mateo County, California, United States, approximately 25 miles (40 km) south of San Francisco.Its population was 11,324 as of the 2010 census.Immediately at the north of Half Moon Bay is Pillar Point Harbor and the unincorporated community of Princeton-by-the-Sea.The urban area had a population of 20,713 at the same census. Half Moon Bay, CA Weather Calendar star_ratehome. Loading Fish Calendar! Half Moon Bay, California, USA - December weather averages including high and low temperatures, humidity, rainfall, snowfall, daylight, sunshine, UV index, and sea temperature. Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory. The lowest average daily incident shortwave solar energy during December is 2.2 kWh on December 22. 48.7°F 9.3°C. This section reports on the wide-area average surface temperature of that water. Half Moon Cay isn't like those places though, and it's 'peak of winter' has an average high temperature of a very warm 26°C (79°F) and average low temperature of 18°C (65°F). Low 42F. The amount of rain in December is high with an average of 97mm (3.8in). The driest month (with the lowest rainfall) is July (3mm). Temperature (ºF) Relative Humidity Wind Chill (°F) Heat Index (°F) Pressure Precipitation (in.) 5:21 pm. The figure below presents a compact representation of key lunar data for December 2020. HALF MOON BAY, CA - DECEMBER 08: People are seen on the Half Moon Bay jetty in this drone view as waves crash in Half Moon Bay, Calif., on Tuesday, Dec. 8, 2020. The estimated value at Half Moon Bay is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Half Moon Bay and a given station. Clear skies. 3 am. [2337933], Weather Atlas | © 2002-2020 | Yu Media Group d.o.o. The most accurate 10 day weather forecast for Half Moon Bay, complete with highs, lows, chance of precipitation and more from weatherfarm.com Weather in Half Moon Bay in December: air temperature, number of sunny days, precipitation, air pressure and humidity. A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. Climate (2010–Present) Half Moon Bay Airport (4.3 miles) Take a look at our website widgetsAvailable free! Saturday, December 19. New precipitation amounts between a quarter and half of an inch possible. Monday. The lowest daily average high temperature is 57°F on December 27. For reference, the year's highest daily chance of a wet day is 29% on February 21, and its lowest chance is -0% on July 23. Chance of precipitation is 90%. Half Moon Bay, CA (94019) Today. Updated: December 19, 2020 @ 7:04 am Last Spring High Tide at Half Moon Bay was on Mon 14 Dec (height: 2.07m 6.8ft). Rain tomorrow morning and afternoon. The month with the lowest number of rainy days is June (3 days). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night. Half Moon Cay isn't like those places though, and it's 'peak of winter' has an average high temperature of a very warm 26°C (79°F) and average low temperature of 18°C (65°F). The black line is the percentage chance that a given day is within the growing season. Clear skies. Wed Dec 16. There are 3 weather stations near enough to contribute to our estimation of the temperature and dew point in Half Moon Bay. Temperature In December, the average high-temperature is practically the same as in November - a moderate 58.8°F (14.9°C). Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Half Moon Bay area. (mi.) This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. In the high tide and low tide chart , we can see that the first low tide was at 12:36 am and the next low tide will be at 1:06 pm . The earliest sunrise of the month in Half Moon Bay is 7:06 AM on December 1 and the latest sunrise is 18 minutes later at 7:24 AM on December 31. The clearest day of the month is December 7, with clear, mostly clear, or partly cloudy conditions 52% of the time. Information about regional climates. The average minimum temperature (usually the minimum temperature is noted during the night) in Half Moon Bay in December is 8.0°C (46.4°F). Book Now. The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands. 48.7°F 9.3°C. as of 3:00 am PST. Napa and Kentfield tied their records at 74 and 72 degrees each. Weather conditions with updates on temperature, humidity, wind speed, snow, pressure, etc. The warmest day over the next 25 days weather in Half Moon Cay is forecast to be Tuesday 15th December 2020 at 28°C (82°F) and the warmest night on Tuesday 15th December 2020 at 24°C (75°F). The number of hours during which the Sun is visible (black line). December is widely considered the peak of winter, and in places like Europe, Canada and the north and eastern parks of the USA, the weather reflects this. Find Out More. Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations. Rain, mainly between 10pm and 4am. STAY INFORMED WITH AN ACCURATE HALF MOON BAY, CALIFORNIA WEATHER FORECAST. The percentage of time spent at various humidity comfort levels, categorized by dew point. Average Weather during December in Half-moon Bay (Southland), New Zealand The average minimum temperature (usually the minimum temperature is noted during the night) in Half-moon Bay in December is 8.0°C (46.4°F). For each station, the records are corrected for the elevation difference between that station and Half Moon Bay according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations. Clear skies this evening will give way to mostly cloudy skies overnight. The thin dotted line is the corresponding average liquid-equivalent snowfall. December is the most wet month of the year. ☂ Online precipitation map and other weather maps. support@__remove_this_part__weatherspark.com. Strongest 16 January, 2019 36.9mph S; Average 2010–Present 8.5mph Find Out More. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year. Unusually warm weather had Bay Area residents wearing shorts in December on Monday, and more record-breaking temperatures are expected Tuesday. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. December 21 . December is the most wet month of the year. Today Sunday, 20 th of December of 2020, the sun will rise in Halfmoon Bay at 5:48 am and sunset will be at 9:42 pm. Half Moon Bay weather, Melbourne, VIC - 7-day weather forecast and current temperature and Melbourne weather radar Wind, waves & weather forecast Half Moon Bay Beach / California, United States for kitesurfing, windsurfing, surfing & sailing The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands. Consider visiting Half Moon Bay in the months of June, July, August, September, for the best beach weather.Also consider one of our other suggestions for December. The shaded overlays indicate night and civil twilight. Clear skies. Time zones for airports and weather stations are provided by AskGeo.com . The average daily incident shortwave solar energy in Half Moon Bay is essentially constant during December, remaining within 0.1 kWh of 2.3 kWh throughout. Fetch the Half Moon Bay, California monthly weather summary from AerisWeather. Winds light and variable. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day. The thin dotted lines are the corresponding average perceived temperatures. NOAA is still working on it. In Half Moon Bay, the average low-temperature is 43.3°F (6.3°C). On Dec. 5th 2010 with 2 daughter (7,10) will be on Nieuw Amsterdam visiting: Half Moon Cay, Grand Turk, St Maarten, San Juan . For reference, on September 11, the hottest day of the year, temperatures in Half Moon Bay typically range from 55°F to 67°F, while on December 29, the coldest … Today's tide times for Half Moon Bay, California. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. For reference, on September 16, the muggiest day of the year, there are muggy conditions 0% of the time, while on January 18, the least muggy day of the year, there are muggy conditions 0% of the time. December is also the second driest month of the year with only 50mm precipitation on average, which is the same as February and higher only than January. The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. Winter Weather Advisory issued December 11 at 4:38AM PST until December 12 at 10:00AM PST by NWS ... Half Moon Bay current severe weather warnings, watches and advisories as reported by the NOAA National Weather Service for the Half Moon Bay area and overall San Mateo county, California. ... December 2020 . Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night. The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than. The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on December. Close. We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands. Wind, waves & weather forecast Half Moon Bay Beach / California, United States for kitesurfing, windsurfing, surfing & sailing Weather Forecast, Half Moon Bay. December 21 . Average Weather in December in Half Moon Bay California, United States. 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