December weather forecastLachau, France
December
Weather in December
The first month of the winter, December, is also a frosty month in Lachau, France, with temperature in the range of an average low of 0.5°C (32.9°F) and an average high of 7°C (44.6°F).Temperature
December implies a soft temperature shift, with average high-temperatures reducing from November's fresh 10.5°C (50.9°F) to a chilly 7°C (44.6°F). Lachau experiences a consistent average temperature of 0.5°C (32.9°F) throughout the nights in December.Humidity
The months with the highest humidity are November and December, with an average relative humidity of 83%.Rainfall
In Lachau, during December, the rain falls for 11.4 days and regularly aggregates up to 75mm (2.95") of precipitation. Throughout the year, there are 146.1 rainfall days, and 886mm (34.88") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Lachau, in December, during 5.1 snowfall days, 92mm (3.62") of snow is typically accumulated. Throughout the year, there are 26.7 snowfall days, and 626mm (24.65") of snow is accumulated.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year in Lachau.On the first day of December in Lachau, sunrise is at 07:53 and sunset at 16:59. On the last day of the month, sunrise is at 08:12 and sunset at 17:08 CET.
Sunshine
In December, the average sunshine is 5.4h.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 estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The average daily UV index of 2 in December transforms into the following instructions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lachau, France
- Average high temperature in December: 7°C
The warmest month (with the highest average high temperature) is July (26.3°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in December: 0.5°C
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is February (-0.8°C).
Average pressure in December
Lachau, France
- Average pressure in December: 1019.8mbar
The month with the highest atmospheric pressure is December (1019.8mbar).
The month with the lowest atmospheric pressure is April (1014.6mbar).
Average wind speed in December
Lachau, France
- Average wind speed in December: 11.4km/h
The windiest months (with the highest average wind speed) are February and March (12.6km/h).
The calmest month (with the lowest average wind speed) is September (9.9km/h).
Average humidity in December
Lachau, France
- Average humidity in December: 83%
The months with the highest relative humidity are November and December (83%).
The months with the lowest relative humidity are July and August (65%).
Average rainfall in December
Lachau, France
- Average rainfall in December: 75mm
The wettest month (with the highest rainfall) is November (130mm).
The driest month (with the least rainfall) is January (48mm).
Average rainfall days in December
Lachau, France
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is April (16.2 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in December
Lachau, France
- Average snowfall in December: 92mm
The month with the highest snowfall is January (191mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Lachau, France
- Average snowfall days in December: 5.1 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lachau, France
- Average daylight in December: 8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 5h and 24min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is November (Average sunshine: 5h and 18min).
Average sunshine days in December
Lachau, France
- Average sunshine days in December: 16.1 days
The month with the most sunshine days is August (18.6 days).
The month with the least sunshine days is May (12.6 days).
Average UV index in December
Lachau, France
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Lachau, France
- Average cloud cover in December: 44
The month with the most cloud cover is November (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 18).
Average visibility in December
Lachau, France
- Average visibility in December: 9km
The months with the highest visibility are July and August (10km).
The months with the lowest visibility are January, February, March, April, May, June, September, October, November and December (9km).





