December weather forecastViesly, France
December
Weather in December
The first month of the winter, December, is also a frosty month in Viesly, France, with an average temperature varying between 6.5°C (43.7°F) and 2.3°C (36.1°F).Temperature
The start of December comes with a small reduction in the average high-temperature, subtly receding from 9.7°C (49.5°F) in November to a still frosty 6.5°C (43.7°F). Viesly's average low temperature, barely cooler than the daytime high, steadies at a wintry 2.3°C (36.1°F) during December.Humidity
The most humid month in Viesly is December, with an average relative humidity of 89%.Rainfall
The month with the most rainfall is December, when the rain falls for 17.2 days and typically aggregates up to 67mm (2.64") of precipitation.Snowfall
Months with snowfall are January through March, November and December. In December, it is snowing for 2.8 days. Throughout December, 23mm (0.91") of snow is accumulated. In Viesly, during the entire year, snow falls for 12.6 days and aggregates up to 97mm (3.82") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 6min of daylight.On the first day of the month, sunrise is at 08:24 and sunset at 16:46. On the last day of December, sunrise is at 08:45 and sunset at 16:53 CET.
Sunshine
In December, the average sunshine is 3.9h.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 estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. To protect against the Sun's most potent rays, avoid direct exposure around midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Viesly, France
- Average high temperature in December: 6.5°C
The warmest month (with the highest average high temperature) is August (23.2°C).
The month with the lowest average high temperature is January (5.5°C).
- Average low temperature in December: 2.3°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (0.9°C).
Average pressure in December
Viesly, France
- Average pressure in December: 1016.7mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).
Average wind speed in December
Viesly, France
- Average wind speed in December: 18.2km/h
The windiest month (with the highest average wind speed) is December (18.2km/h).
The calmest month (with the lowest average wind speed) is August (11.8km/h).
Average humidity in December
Viesly, 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 (76%).
Average rainfall in December
Viesly, France
- Average rainfall in December: 67mm
The wettest month (with the highest rainfall) is December (67mm).
The driest month (with the least rainfall) is September (29mm).
Average rainfall days in December
Viesly, France
- Average rainfall days in December: 17.2 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is September (13.5 days).
Average snowfall in December
Viesly, France
- Average snowfall in December: 23mm
The month with the highest snowfall is January (36mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Viesly, France
- Average snowfall days in December: 2.8 days
The month with the highest number of snowfall days is February (4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Viesly, France
- Average daylight in December: 8h and 6min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in December: 3h and 54min
The month with the most sunshine is June (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Viesly, France
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is September (12.7 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in December
Viesly, 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
Viesly, France
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are April and August (Cloud cover 42).
Average visibility in December
Viesly, 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).





