December weather forecastLessy, France
December
Weather in December
The first month of the winter, December, is still a cold month in Lessy, France, with an average temperature ranging between max 5.1°C (41.2°F) and min 1°C (33.8°F).Temperature
December signals a slight drop in average high-temperature, sliding from November's chilly 8.5°C (47.3°F) to an icy 5.1°C (41.2°F). Lessy's nighttime temperature in December consistently rests at 1°C (33.8°F).Humidity
December is the most humid month in Lessy, France, with an average relative humidity of 90%.Rainfall
The month with the most rainfall is December, when the rain falls for 15.6 days and typically aggregates up to 66mm (2.6") of precipitation.Snowfall
January through March, October through December are months with snowfall in Lessy. December is the month with the most snowfall in Lessy. Snow falls for 5.5 days and accumulates 61mm (2.4") of snow.Daylight
With an average of 8h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 08:09 and sunset at 16:40. On the last day of December, sunrise is at 08:30 and sunset at 16:47 CET.
Sunshine
The month with the least sunshine in Lessy is December, with an average of 3.3h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 2 in December translates into this advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lessy, France
- Average high temperature in December: 5.1°C
The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is January (3.7°C).
- Average low temperature in December: 1°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (-0.4°C).
Average pressure in December
Lessy, France
- Average pressure in December: 1019mbar
The month with the highest atmospheric pressure is December (1019mbar).
The month with the lowest atmospheric pressure is November (1014.5mbar).
Average wind speed in December
Lessy, France
- Average wind speed in December: 15.6km/h
The windiest month (with the highest average wind speed) is February (15.7km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).
Average humidity in December
Lessy, France
- Average humidity in December: 90%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (74%).
Average rainfall in December
Lessy, France
- Average rainfall in December: 66mm
The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is April (33mm).
Average rainfall days in December
Lessy, France
- Average rainfall days in December: 15.6 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is September (10.9 days).
Average snowfall in December
Lessy, France
- Average snowfall in December: 61mm
The month with the highest snowfall is December (61mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in December
Lessy, France
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is January (7.5 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
Lessy, France
- Average daylight in December: 8h and 18min
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 18min).
- Average sunshine in December: 3h and 18min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in December
Lessy, France
- Average sunshine days in December: 9.7 days
The month with the most sunshine days is October (16.2 days).
The month with the least sunshine days is December (9.7 days).
Average UV index in December
Lessy, 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
Lessy, France
- Average cloud cover in December: 66
The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in December
Lessy, France
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, June, July, August and September (9km).
The months with the lowest visibility are January, May, October, November and December (8km).





