December weather forecastSaint-Supplet, France
December
Weather in December
The first month of the winter, December, is still a cold month in Saint-Supplet, France, with an average temperature fluctuating between 4.5°C (40.1°F) and 0.5°C (32.9°F).Temperature
In Saint-Supplet, the beginning of December is marked by a marginally lowered average high-temperature, shifting from November's chilly 8°C (46.4°F) to an icy 4.5°C (40.1°F). During the nights of December, Saint-Supplet records an average low-temperature of 0.5°C (32.9°F), reflecting a modest decrease from daytime highs.Humidity
With an average relative humidity of 92%, December is the most humid month.Rainfall
The month with the most rainfall is December, when the rain falls for 14.8 days and typically aggregates up to 74mm (2.91") of precipitation.Snowfall
January through April, November and December are months with snowfall in Saint-Supplet. In December, in Saint-Supplet, it is snowing for 5.9 days. Throughout December, 56mm (2.2") of snow is accumulated. Throughout the year, in Saint-Supplet, there are 23.6 snowfall days, and 203mm (7.99") of snow is accumulated.Daylight
December has the shortest days of the year in Saint-Supplet, with an average of 8h and 18min of daylight.On the first day of December in Saint-Supplet, sunrise is at 08:11 and sunset at 16:40. On the last day of the month, sunrise is at 08:32 and sunset at 16:47 CET.
Sunshine
With an average of 3h of sunshine, December has the least sunshine of the year in Saint-Supplet, France.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Saint-Supplet, France
- Average high temperature in December: 4.5°C
The warmest months (with the highest average high temperature) are July and August (22.3°C).
The month with the lowest average high temperature is January (3.6°C).
- Average low temperature in December: 0.5°C
The months with the highest average low temperature are July and August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).
Average pressure in December
Saint-Supplet, France
- Average pressure in December: 1018.2mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is November (1013.9mbar).
Average wind speed in December
Saint-Supplet, France
- Average wind speed in December: 15.7km/h
The windiest month (with the highest average wind speed) is February (16.1km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in December
Saint-Supplet, France
- Average humidity in December: 92%
The month with the highest relative humidity is December (92%).
The months with the lowest relative humidity are April and August (78%).
Average rainfall in December
Saint-Supplet, France
- Average rainfall in December: 74mm
The wettest month (with the highest rainfall) is December (74mm).
The driest month (with the least rainfall) is April (33mm).
Average rainfall days in December
Saint-Supplet, France
- Average rainfall days in December: 14.8 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (11.9 days).
Average snowfall in December
Saint-Supplet, France
- Average snowfall in December: 56mm
The month with the highest snowfall is January (62mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Saint-Supplet, France
- Average snowfall days in December: 5.9 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Saint-Supplet, France
- Average daylight in December: 8h and 18min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days in December
Saint-Supplet, France
- Average sunshine days in December: 9.6 days
The month with the most sunshine days is September (15.2 days).
The months with the least sunshine days are June, November and December (9.6 days).
Average UV index in December
Saint-Supplet, France
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Saint-Supplet, France
- Average cloud cover in December: 71
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in December
Saint-Supplet, France
- Average visibility in December: 8km
The months with the highest visibility are March, April and August (9km).
The month with the lowest visibility is November (7km).





