December weather forecastLanchy, France
December
Weather in December
The first month of the winter, December, is also a frosty month in Lanchy, France, with an average temperature ranging between min 2.2°C (36°F) and max 6.4°C (43.5°F).Temperature
The transition to December results in a modest reduction in average high-temperature, moving from a chilly 9.4°C (48.9°F) in November to a still frosty 6.4°C (43.5°F). Nighttime temperature in Lanchy sees a small decrement from daytime highs, dipping to an average of 2.2°C (36°F) during December.Humidity
The most humid month is December, with an average relative humidity of 89%.Rainfall
The month with the most rainfall is December, when the rain falls for 16 days and typically aggregates up to 64mm (2.52") of precipitation.Snowfall
Months with snowfall in Lanchy are January through March, October through December. In December, it is snowing for 2.6 days. Throughout December, 16mm (0.63") of snow is accumulated. Throughout the year, in Lanchy, there are 11.1 snowfall days, and 92mm (3.62") of snow is accumulated.Daylight
The month with the shortest days in Lanchy is December, with an average of 8h and 12min of daylight.On the first day of the month, sunrise is at 08:24 and sunset at 16:49. On the last day of December, in Lanchy, sunrise is at 08:45 and sunset at 16:56 CET.
Sunshine
In December, the average sunshine 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 Lanchy. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lanchy, 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
Lanchy, 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
Lanchy, 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
Lanchy, 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
Lanchy, 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
Lanchy, 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
Lanchy, 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
Lanchy, 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
Lanchy, France
- Average daylight in December: 8h and 12min
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 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
Lanchy, 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
Lanchy, 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
Lanchy, 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
Lanchy, 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).





