Average Weather in December in Frasne France
Daily high temperatures decrease by 3°F, from 39°F to 36°F, rarely falling below 26°F or exceeding 49°F.
Daily low temperatures decrease by 3°F, from 29°F to 27°F, rarely falling below 16°F or exceeding 39°F.
For reference, on August 4, the hottest day of the year, temperatures in Frasne typically range from 53°F to 72°F, while on February 7, the coldest day of the year, they range from 25°F to 36°F.
Average High and Low Temperature in December
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.
Average Hourly Temperature in December
The month of December in Frasne experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 64% throughout the month. The highest chance of overcast or mostly cloudy conditions is 65% on December 27.
The clearest day of the month is December 1, with clear, mostly clear, or partly cloudy conditions 38% of the time.
For reference, on December 27, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 65%, while on July 21, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 64%.
Cloud Cover Categories in December
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Frasne, the chance of a wet day over the course of December is gradually increasing, starting the month at 34% and ending it at 37%.
For reference, the year's highest daily chance of a wet day is 43% on May 25, and its lowest chance is 28% on March 3.
Over the course of December in Frasne, the chance of a day with only rain remains an essentially constant 24% throughout, the chance of a day with mixed snow and rain increases from 5% to 7%, and the chance of a day with only snow remains an essentially constant 6% throughout.
Probability of Precipitation in December
The average sliding 31-day rainfall during December in Frasne is essentially constant, remaining about 3.0 inches throughout, and rarely exceeding 6.3 inches or falling below 0.8 inches.
Average Monthly Rainfall in December
We report snowfall in liquid-equivalent terms. The actual depth of new snowfall is typically between 5 and 10 times the liquid-equivalent amount, assuming the ground is frozen. As with rainfall, we consider the liquid-equivalent snowfall accumulated over a sliding 31-day period centered around each day.
The average sliding 31-day liquid-equivalent snowfall during December in Frasne is essentially constant, remaining about 0.6 inches throughout, and rarely exceeding 1.5 inches or falling below -0.0 inches.
Average Monthly Liquid-Equivalent Snowfall in December
Over the course of December in Frasne, the length of the day is essentially constant. The shortest day of the month is December 21, with 8 hours, 32 minutes of daylight and the longest day is December 1, with 8 hours, 49 minutes of daylight.
Hours of Daylight and Twilight in December
The earliest sunrise of the month in Frasne is 7:59 AM on December 1 and the latest sunrise is 21 minutes later at 8:20 AM on December 31.
The earliest sunset is 4:46 PM on December 11 and the latest sunset is 10 minutes later at 4:56 PM on December 31.
Daylight saving time is observed in Frasne during 2018, but it neither starts nor ends during December, so the entire month is in standard time.
For reference, on June 21, the longest day of the year, the Sun rises at 5:40 AM and sets 15 hours, 53 minutes later, at 9:33 PM, while on December 21, the shortest day of the year, it rises at 8:17 AM and sets 8 hours, 32 minutes later, at 4:49 PM.
Sunrise & Sunset with Twilight in December
The chance that a given day will be muggy in Frasne is essentially constant during December, remaining around 0% throughout.
For reference, on June 27, the muggiest day of the year, there are muggy conditions 0% of the time, while on January 1, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in December
The average hourly wind speed in Frasne is essentially constant during December, remaining within 0.3 miles per hour of 8.9 miles per hour throughout.
For reference, on January 31, the windiest day of the year, the daily average wind speed is 9.2 miles per hour, while on August 10, the calmest day of the year, the daily average wind speed is 6.8 miles per hour.
The highest daily average wind speed during December is 9.2 miles per hour on December 23.
Average Wind Speed in December
Wind Direction in December
The growing season in Frasne typically lasts for 6.0 months (182 days), from around April 23 to around October 22, rarely starting before April 4 or after May 18, and rarely ending before October 4 or after November 9.
The month of December in Frasne is reliably fully outside of the growing season.
Time Spent in Various Temperature Bands and the Growing Season in December
The average accumulated growing degree days in Frasne are essentially constant during December, remaining around 1,445°F throughout.
Growing Degree Days in December
The average daily incident shortwave solar energy in Frasne is essentially constant during December, remaining within 0.1 kWh of 1.2 kWh throughout.
The lowest average daily incident shortwave solar energy during December is 1.1 kWh on December 24.
Average Daily Incident Shortwave Solar Energy in December
For the purposes of this report, the geographical coordinates of Frasne are 46.856 deg latitude, 6.159 deg longitude, and 2,762 ft elevation.
The topography within 2 miles of Frasne contains only modest variations in elevation, with a maximum elevation change of 226 feet and an average elevation above sea level of 2,776 feet. Within 10 miles contains only modest variations in elevation (2,169 feet). Within 50 miles contains large variations in elevation (7,359 feet).
The area within 2 miles of Frasne is covered by grassland (66%) and herbaceous vegetation (18%), within 10 miles by trees (43%) and grassland (36%), and within 50 miles by trees (40%) and cropland (32%).
This report illustrates the typical weather in Frasne year round, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.
Temperature and Dew Point
There are 4 weather stations near enough to contribute to our estimation of the temperature and dew point in Frasne.
For each station, the records are corrected for the elevation difference between that station and Frasne according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.
The estimated value at Frasne is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Frasne and a given station.
The stations contributing to this reconstruction are: Besançon – La Vèze Aerodrome (26%, 46 kilometers, north); Les Eplatures (35%, 54 kilometers, northeast); Dole–Jura Airport (18%, 59 kilometers, west); and Aéroport Genève-Cointrin (21%, 69 kilometers, south).
Time zones for aiports and weather stations are provided by AskGeo.com .