The wind rose for San Francisco shows how many hours per year the wind blows from the indicated direction. Dubai, one of the hottest cities on earth, has almost none days below 40°C in July. For a more customized experience, please tell us your primary wind-related activity: All times Displayed are based on San Francisco local time. Wind speed averages and directions Average wind speed in San Francisco (California) The mean monthly wind speed over the year in San Francisco, United States of America (meters per second). The thin dotted line is the corresponding average liquid-equivalent snowfall. The predominant average hourly wind direction in San Francisco varies throughout the year. The percentage of time spent in various temperature bands. The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands. Above is an example image for KSFO, San Francisco airport. For locations and events which require very high precision (such as energy generation, insurance, etc. The topography within 2 miles of San Francisco is essentially flat, with a maximum elevation change of 59 feet and an average elevation above sea level of 384 feet. | wind in Rincon Point (Pier 22 1/2) (4 mi.) The drier season lasts 5.6 months, from April 21 to October 8. The length of the day in San Francisco varies significantly over the course of the year. There are 3 weather stations near enough to contribute to our estimation of the temperature and dew point in San Francisco. You can explore the climate for any location like the Amazon rainforest, West-Africa savannas, Sahara desert, Siberian Tundra or the Himalaya. The least muggy day of the year is July 18, when muggy conditions are essentially unheard of. 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 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. It is based on 3471 NWW3 forecasts of wind since since 2006, at 3hr intervals, for the closest NWW3 model node to San Francisco, located 25 km away (16 miles). The cool season lasts for 2.7 months, from May 21 to August 13, with an average daily high temperature below 67°F. The darker period of the year lasts for 3.2 months, from May 1 to August 7, with an average daily incident shortwave energy per square meter below 3.9 kWh. This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations. Lower dew points feel drier and higher dew points feel more humid. The brighter period of the year lasts for 3.7 months, from October 24 to February 14, with an average daily incident shortwave energy per square meter above 6.8 kWh. The diagram for San Francisco shows the days per month, during which the wind reaches a certain speed. Next forecast at approx. Hot days and cold nights (dashed red and blue lines) show the average of the hottest day and coldest night of each month of the last 30 years. Wind, waves & weather forecast San Francisco Airport / California, United States for kitesurfing, windsurfing, surfing & sailing The cloudier part of the year begins around May 1 and lasts for 3.1 months, ending around August 3. The area within 2 miles of San Francisco is covered by cropland (58%) and bare soil (15%), within 10 miles by cropland (89%), and within 50 miles by cropland (79%). Our historical wind archives include a wealth of wind graphs & data, going back as far as 30 years in the case of some popular stations. Based on this score, the best times of year to visit San Francisco for general outdoor tourist activities are from late January to late April and from late September to late December, with a peak score in the last week of March. | wind in San Francisco (North Point, Pier 41) (2.8 mi.) Vote, This image illustrates how frequently and how strongly the wind blows from different directions over a normal October. Any commercial use is illegal. Detailed wind speed and wind direction information as well as interactive graphs for winds ... San Francisco Bay wind forecast issued today at 1:27 am. The data is derived from our global NEMS weather model at approximately 30km resolution and cannot reproduce detail local weather effects, such as heat islands, cold air flows, thunderstorms or tornadoes. This is a list of all weather stations within 30 mi of this location. The wind rose for San Francisco shows how many hours per year the wind blows from the indicated direction. To characterize how pleasant the weather is in San Francisco throughout the year, we compute two travel scores. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day. They give good indications of typical climate patterns and expected conditions (temperature, precipitation, sunshine and wind). To learn more: Privacy & Terms. The earliest sunrise is at 5:56 AM on December 4, and the latest sunrise is 2 hours, 12 minutes later at 8:08 AM on June 30. The wind is most often from the south for 1.7 months, from July 22 to September 13, with a peak percentage of 37% on August 1. 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. On May 31, the cloudiest day of the year, the sky is overcast or mostly cloudy 44% of the time, and clear, mostly clear, or partly cloudy 56% of the time. There are insufficient recording stations world wide to use actual wind data. The wind is most often from the north for 3.8 months, from March 27 to July 22, with a peak percentage of 41% on May 13. Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database . The wind is most often from the north for 4.2 months, from October 21 to February 28, with a peak percentage of 62% on January 1. MERRA-2 Modern-Era Retrospective Analysis. Our weather history covers any place on earth at any given time regardless of availability of weather stations. ), we offer high resolution simulations with hourly data. The Right side shows the percentage of time that the weather station reported a specific wind direction for the highlighted month. The windier part of the year lasts for 4.1 months, from August 2 to December 4, with average wind speeds of more than 9.0 miles per hour. Click the arrows to go backward or forward in time. This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. Note: In tropical climates like in Malaysia or Indonesia the number of precipitation days may be overestimated by a factor up to 2. The graph shows the monthly number of sunny, partly cloudy, overcast and precipitation days. The shaded overlays indicate night and civil twilight. The black line is the percentage chance that a given day is within the growing season. Example SW: Wind is blowing from South-West (SW) to North-East (NE). You can also see the cold winters in Moscow with a few days that do not even reach -10°C as daily maximum. Wind speed units can be changed in the preferences (top right). The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. In 2014 we started to calculate weather models with historical data from 1985 onwards and generated a continuous 30-year global history with hourly weather data. The average hourly temperature, color coded into bands. The UK wind map below shows where will be the windiest places in the UK. Click the arrows to go backward or forward in time. The wind statistics are based on real observations from the weather station at San Francisco Airport. You can also use the calendar button to select a specific date, or click View Month to see an entire month's worth of archived wind graphs all at once. The figure below shows you a compact characterization of the entire year of hourly average temperatures. The windiest day of the year is September 12, with an average hourly wind speed of 10.1 miles per hour. From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night. An interesting example is the Tibetan Plateau, where the monsoon creates steady strong winds from December to April, and calm winds from June to October. The growing season in San Francisco typically lasts for 10 months (308 days), from around August 15 to around June 18, rarely starting after September 11, or ending before May 27. This list displays the ten closest OnSite Reports within a 24 hour period. The average growing degree days accumulated over the course of the year, with 25th to 75th and 10th to 90th percentile bands. Note: Simulated precipitation amounts in tropical regions and complex terrain tend to be lower than local measurements. The shaded overlays indicate night and civil twilight. The figure below presents a compact representation of key lunar data for 2020. The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. The length of each bar is proportional to the frequency the wind comes from each direction and the colour is proportional to the average speed. The least rain falls around July 5, with an average total accumulation of 0.6 inches. If the rose graph shows a fairly circular pattern, it means there is no strong bias in wind direction at San Francisco. The most rain falls during the 31 days centered around December 8, with an average total accumulation of 5.4 inches. At KSFO the wind is pretty much always from the west. Yearly wind and weather averages for San Francisco / Golden Gate Bridge Statistics based on observations taken between 11/2016 - 07/2019 daily from 7am to 7pm local time. Invevitably some coastal places have very localized wind effects that would not be predicted by NWW3. The muggiest day of the year is February 8, with muggy conditions 56% of the time. For each station, the records are corrected for the elevation difference between that station and San Francisco according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations. Wind speeds generally range from 5 to 15 knots during the night and morning hours, increasing to 10 to 20 knots or even 15 to 25 knots in the afternoon and early evening hours. In San Francisco, the summers are hot, humid, wet, and mostly clear and the winters are short, cold, dry, and partly cloudy. Please let us know if you agree. For more detailed premium wind statistics click here. The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. 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. | wind in Sausalito (Corps Of Engineers Dock) (4 mi.) OnSite Reports are crowdsourced (user-generated) wind and weather reports, contributed by real people via different applications. 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.

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