December weather forecastDercy, France
December
Weather in December
December, the first month of the winter in Dercy, is also a frosty month, with an average temperature varying between 2.2°C (36°F) and 6.4°C (43.5°F).Temperature
The move into December indicates a slight reduction in the average high-temperature, down from November's chilly 9.4°C (48.9°F) to a still frosty 6.4°C (43.5°F). A minor drop in temperature is observed from daytime highs during the nights of December, averaging a wintry 2.2°C (36°F).Humidity
The most humid month is December, with an average relative humidity of 89%.Rainfall
The month with the most rainfall in Dercy, France, is December, when the rain falls for 16 days and typically aggregates up to 64mm (2.52") of precipitation.Snowfall
Months with snowfall in Dercy are January through March, October through December. In December, in Dercy, it is snowing for 2.6 days. Throughout December, 16mm (0.63") of snow is accumulated. In Dercy, during the entire year, snow falls for 11.1 days and aggregates up to 92mm (3.62") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 12min of daylight.On the first day of December, sunrise is at 08:21 and sunset at 16:47. On the last day of the month, sunrise is at 08:42 and sunset at 16:54 CET.
Sunshine
The average sunshine in December is 4h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Dercy. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. To cut down UV radiation exposure by about half, sport a wide-brim hat. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Dercy, France
- Average high temperature in December: 6.4°C
The warmest month (with the highest average high temperature) is August (23.1°C).
The month with the lowest average high temperature is January (5.3°C).
- Average low temperature in December: 2.2°C
The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is January (0.9°C).
Average pressure in December
Dercy, France
- Average pressure in December: 1017.3mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1012.9mbar).
Average wind speed in December
Dercy, France
- Average wind speed in December: 17.3km/h
The windiest month (with the highest average wind speed) is February (17.4km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).
Average humidity in December
Dercy, France
- Average humidity in December: 89%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (75%).
Average rainfall in December
Dercy, France
- Average rainfall in December: 64mm
The wettest month (with the highest rainfall) is December (64mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in December
Dercy, France
- Average rainfall days in December: 16 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is September (12 days).
Average snowfall in December
Dercy, France
- Average snowfall in December: 16mm
The month with the highest snowfall is January (36mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in December
Dercy, France
- Average snowfall days in December: 2.6 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Dercy, France
- Average daylight in December: 8h and 12min
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 12min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Dercy, France
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is March (15.8 days).
The month with the least sunshine days is February (9.6 days).
Average UV index in December
Dercy, 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
Dercy, France
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in December
Dercy, France
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January and November (8km).





