December weather forecastLe Gratteris, France
December
Weather in December
December, the first month of the winter in Le Gratteris, is also an icy month, with an average temperature ranging between max 5.6°C (42.1°F) and min 0.5°C (32.9°F).Temperature
With the arrival of December, Le Gratteris experiences a modest decline in average high-temperatures, transitioning from a chilly 9.2°C (48.6°F) in November to a wintry 5.6°C (42.1°F). Le Gratteris's December nights cool down to an average low-temperature of 0.5°C (32.9°F).Humidity
January and December, with an average relative humidity of 87%, are the most humid months.Rainfall
In Le Gratteris, in December, it is raining for 13.5 days, with typically 79mm (3.11") of accumulated precipitation. In Le Gratteris, during the entire year, the rain falls for 173.9 days and collects up to 719mm (28.31") of precipitation.Snowfall
January through March, October through December are months with snowfall in Le Gratteris, France. In Le Gratteris, France, in December, during 3.7 snowfall days, 47mm (1.85") of snow is typically accumulated. In Le Gratteris, France, during the entire year, snow falls for 19 days and aggregates up to 219mm (8.62") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 36min of daylight.On the first day of the month, sunrise is at 08:01 and sunset at 16:47. On the last day of December, in Le Gratteris, France, sunrise is at 08:21 and sunset at 16:55 CET.
Sunshine
The months with the least sunshine are January and December, with an average of 4.4h of sunshine.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 reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Le Gratteris, France
- Average high temperature in December: 5.6°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 (4.2°C).
- Average low temperature in December: 0.5°C
The months with the highest average low temperature are July and August (13°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).
Average pressure in December
Le Gratteris, France
- Average pressure in December: 1020.8mbar
The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is November (1015.6mbar).
Average wind speed in December
Le Gratteris, France
- Average wind speed in December: 12.8km/h
The windiest month (with the highest average wind speed) is February (13.1km/h).
The calmest month (with the lowest average wind speed) is August (8km/h).
Average humidity in December
Le Gratteris, France
- Average humidity in December: 87%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (78%).
Average rainfall in December
Le Gratteris, France
- Average rainfall in December: 79mm
The wettest month (with the highest rainfall) is June (97mm).
The driest month (with the least rainfall) is September (32mm).
Average rainfall days in December
Le Gratteris, France
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (11.1 days).
Average snowfall in December
Le Gratteris, France
- Average snowfall in December: 47mm
The month with the highest snowfall is January (71mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in December
Le Gratteris, France
- Average snowfall days in December: 3.7 days
The month with the highest number of snowfall days is January (5.9 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
Le Gratteris, France
- Average daylight in December: 8h and 36min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 4h and 24min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The months with the least sunshine are January and December (Average sunshine: 4h and 24min).
Average sunshine days in December
Le Gratteris, France
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is June (8.9 days).
Average UV index in December
Le Gratteris, France
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Le Gratteris, France
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Le Gratteris, France
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, July and August (9km).
The months with the lowest visibility are January, May, June, September, October, November and December (8km).
