December Weather in Sarov RussiaDaily high temperatures decrease by 6°F, from 23°F to 17°F, rarely falling below 1°F or exceeding 33°F. Daily low temperatures decrease by 7°F, from 13°F to 6°F, rarely falling below -13°F or exceeding 27°F. For reference, on July 22, the hottest day of the year, temperatures in Sarov typically range from 57°F to 75°F, while on February 5, the coldest day of the year, they range from 3°F to 17°F. The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on December. 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. Bonnyville, Canada (4,754 miles away); Warroad, United States (4,878 miles); and Prévost, Canada (4,580 miles) are the far-away foreign places with temperatures most similar to Sarov (view comparison). CloudsThe month of December in Sarov experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 79% throughout the month. The clearest day of the month is December 6, with clear, mostly clear, or partly cloudy conditions 23% of the time. For reference, on February 20, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 80%, while on July 24, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 62%. PrecipitationA wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Sarov, the chance of a wet day over the course of December is essentially constant, remaining around 21% throughout. For reference, the year's highest daily chance of a wet day is 33% on June 27, and its lowest chance is 15% on March 18. Over the course of December in Sarov, the chance of a day with only rain remains an essentially constant 1% throughout, the chance of a day with mixed snow and rain decreases from 4% to 2%, and the chance of a day with only snow increases from 15% to 18%. RainfallTo 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 average sliding 31-day rainfall during December in Sarov is essentially constant, remaining about 0.2 inches throughout, and rarely exceeding 0.7 inches. SnowfallAs with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day. The average sliding 31-day snowfall during December in Sarov is gradually increasing, starting the month at 8.7 inches, when it rarely exceeds 18.4 inches or falls below 2.1 inches, and ending the month at 9.4 inches, when it rarely exceeds 17.8 inches or falls below 2.7 inches. The highest average 31-day accumulation is 9.7 inches on December 20. SunOver the course of December in Sarov, the length of the day is gradually decreasing. From the start to the end of the month, the length of the day decreases by 18 minutes, implying an average daily decrease of 37 seconds, and weekly decrease of 4 minutes, 17 seconds. The shortest day of the month is December 21, with 7 hours, 11 minutes of daylight and the longest day is December 1, with 7 hours, 36 minutes of daylight. The earliest sunrise of the month in Sarov is 8:07 AM on December 1 and the latest sunrise is 24 minutes later at 8:31 AM on December 29. The earliest sunset is 3:38 PM on December 14 and the latest sunset is 10 minutes later at 3:48 PM on December 31. Daylight saving time is not observed in Sarov during 2024. For reference, on June 20, the longest day of the year, the Sun rises at 3:27 AM and sets 17 hours, 22 minutes later, at 8:49 PM, while on December 21, the shortest day of the year, it rises at 8:29 AM and sets 7 hours, 11 minutes later, at 3:40 PM. The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation. MoonThe figure below presents a compact representation of key lunar data for December 2024. 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. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.
HumidityWe base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. 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 chance that a given day will be muggy in Sarov is essentially constant during December, remaining around 0% throughout. For reference, on July 8, the muggiest day of the year, there are muggy conditions 13% of the time, while on September 23, the least muggy day of the year, there are muggy conditions 0% of the time. WindThis section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages. The average hourly wind speed in Sarov is essentially constant during December, remaining within 0.2 miles per hour of 9.6 miles per hour throughout. For reference, on February 9, the windiest day of the year, the daily average wind speed is 10.7 miles per hour, while on July 27, the calmest day of the year, the daily average wind speed is 6.3 miles per hour. The hourly average wind direction in Sarov throughout December is predominantly from the south, with a peak proportion of 44% on December 24. Growing SeasonDefinitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere). The growing season in Sarov typically lasts for 4.8 months (146 days), from around May 7 to around September 30, rarely starting before April 15 or after May 27, and rarely ending before September 14 or after October 18. The month of December in Sarov is reliably fully outside of the growing season. Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F. The average accumulated growing degree days in Sarov are essentially constant during December, remaining around 1,735°F throughout. Solar EnergyThis 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. Shortwave radiation includes visible light and ultraviolet radiation. The average daily incident shortwave solar energy in Sarov is essentially constant during December, remaining within 0.1 kWh of 0.5 kWh throughout. The lowest average daily incident shortwave solar energy during December is 0.4 kWh on December 18. TopographyFor the purposes of this report, the geographical coordinates of Sarov are 54.936 deg latitude, 43.324 deg longitude, and 469 ft elevation. The topography within 2 miles of Sarov contains only modest variations in elevation, with a maximum elevation change of 217 feet and an average elevation above sea level of 469 feet. Within 10 miles also contains only modest variations in elevation (331 feet). Within 50 miles contains only modest variations in elevation (522 feet). The area within 2 miles of Sarov is covered by trees (44%), water (17%), cropland (16%), and artificial surfaces (13%), within 10 miles by trees (70%) and cropland (19%), and within 50 miles by trees (53%) and cropland (34%). Data SourcesThis report illustrates the typical weather in Sarov, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016. Sarov is further than 200 kilometers from the nearest reliable weather station, so the weather-related data on this page were taken entirely from NASA's MERRA-2 satellite-era reanalysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid. The temperature and dew point estimates are corrected for the difference between the reference elevation of the MERRA-2 grid cell and the elevation of Sarov, according to the International Standard Atmosphere . 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. Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations. Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory. Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database . Time zones for airports and weather stations are provided by AskGeo.com . Maps are © OpenStreetMap contributors. DisclaimerThe information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site. 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. 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