December weather forecastViry-Châtillon, France
December
Weather in December
The first month of the winter, December, is also a frosty month in Viry-Châtillon, France, with an average temperature ranging between min 2.9°C (37.2°F) and max 7.5°C (45.5°F).Temperature
December marks a gentle change in average high-temperature, declining from November's fresh 10.6°C (51.1°F) to a chilly 7.5°C (45.5°F). A steady low-temperature average of 2.9°C (37.2°F) is logged in Viry-Châtillon during December, reflecting a modest dip from daytime readings.Humidity
The months with the highest humidity in Viry-Châtillon are January and December, with an average relative humidity of 86%.Rainfall
In Viry-Châtillon, in December, it is raining for 13 days, with typically 32mm (1.26") of accumulated precipitation. Throughout the year, in Viry-Châtillon, there are 153.5 rainfall days, and 330mm (12.99") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Viry-Châtillon, France. The months with the most snowfall are February and December, with an average 15mm (0.59") of accumulated snow.Daylight
December has the shortest days of the year in Viry-Châtillon, with an average of 8h and 24min of daylight.On the first day of the month, sunrise is at 08:22 and sunset at 16:57. On the last day of December, sunrise is at 08:42 and sunset at 17:04 CET.
Sunshine
In December, the average sunshine is 4.2h.UV index
The months with the lowest UV index in Viry-Châtillon are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In December, a regular UV index of 2 translates into these guidelines:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Viry-Châtillon, France
- Average high temperature in December: 7.5°C
The warmest month (with the highest average high temperature) is August (24.9°C).
The month with the lowest average high temperature is January (6°C).
- Average low temperature in December: 2.9°C
The month with the highest average low temperature is August (15°C).
The coldest months (with the lowest average low temperature) are January and February (1.8°C).
Average pressure in December
Viry-Châtillon, France
- Average pressure in December: 1018.5mbar
The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is November (1013.6mbar).
Average wind speed in December
Viry-Châtillon, France
- Average wind speed in December: 15km/h
The windiest month (with the highest average wind speed) is February (15.5km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in December
Viry-Châtillon, France
- Average humidity in December: 86%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (69%).
Average rainfall in December
Viry-Châtillon, France
- Average rainfall in December: 32mm
The wettest month (with the highest rainfall) is June (40mm).
The driest month (with the least rainfall) is September (16mm).
Average rainfall days in December
Viry-Châtillon, France
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is June (15.2 days).
The month with the least rainy days is September (9.1 days).
Average snowfall in December
Viry-Châtillon, France
- Average snowfall in December: 15mm
The months with the highest snowfall are February and December (15mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Viry-Châtillon, France
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Viry-Châtillon, France
- Average daylight in December: 8h and 24min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 4h and 12min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Viry-Châtillon, France
- Average sunshine days in December: 13 days
The month with the most sunshine days is September (18.4 days).
The month with the least sunshine days is June (11 days).
Average UV index in December
Viry-Châtillon, France
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Viry-Châtillon, France
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in December
Viry-Châtillon, France
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
