December weather forecastSeillans, France
December
Weather in December
December, the first month of the winter in Seillans, is still a cool month, with an average temperature ranging between max 10.5°C (50.9°F) and min 4.3°C (39.7°F).Temperature
With December's onset, the weather reveals a slight temperature decrease, transitioning from a moderate 13.5°C (56.3°F) in November to a fresh 10.5°C (50.9°F). Throughout the month of December, Seillans witnesses an average low-temperature of 4.3°C (39.7°F).Humidity
In December, the average relative humidity is 70%.Rainfall
In Seillans, during December, the rain falls for 8.3 days and regularly aggregates up to 57mm (2.24") of precipitation. Throughout the year, there are 116.3 rainfall days, and 523mm (20.59") of precipitation is accumulated.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 1mm (0.04") of snow. In Seillans, France, during the entire year, snow falls for 2.5 days and aggregates up to 29mm (1.14") of snow.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year in Seillans.On the first day of December, sunrise is at 07:47 and sunset at 16:57. On the last day of the month, sunrise is at 08:06 and sunset at 17:06 CET.
Sunshine
In December, the average sunshine in Seillans is 6.6h.UV index
The months with the lowest UV index in Seillans are January, February, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the average maximum UV index of 3 translates into the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's 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
Seillans, France
- Average high temperature in December: 10.5°C
The warmest months (with the highest average high temperature) are July and August (26.2°C).
The month with the lowest average high temperature is January (9.3°C).
- Average low temperature in December: 4.3°C
The month with the highest average low temperature is August (18.1°C).
The coldest month (with the lowest average low temperature) is January (3.3°C).
Average pressure in December
Seillans, France
- Average pressure in December: 1018.6mbar
The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is April (1013.9mbar).
Average wind speed in December
Seillans, France
- Average wind speed in December: 10.3km/h
The windiest month (with the highest average wind speed) is March (11.4km/h).
The calmest month (with the lowest average wind speed) is August (8.1km/h).
Average humidity in December
Seillans, France
- Average humidity in December: 70%
The month with the highest relative humidity is November (72%).
The month with the lowest relative humidity is August (64%).
Average rainfall in December
Seillans, France
- Average rainfall in December: 57mm
The wettest month (with the highest rainfall) is November (119mm).
The driest month (with the least rainfall) is August (17mm).
Average rainfall days in December
Seillans, France
- Average rainfall days in December: 8.3 days
The month with the highest number of rainy days is May (13.2 days).
The month with the least rainy days is August (7.4 days).
Average snowfall in December
Seillans, France
- Average snowfall in December: 1mm
The month with the highest snowfall is February (19mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Seillans, France
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (1.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Seillans, France
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 6h and 36min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is November (Average sunshine: 6h and 30min).
Average sunshine days in December
Seillans, France
- Average sunshine days in December: 21.2 days
The months with the most sunshine days are October and December (21.2 days).
The month with the least sunshine days is May (15.2 days).
Average UV index in December
Seillans, France
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Seillans, France
- Average cloud cover in December: 24
The months with the most cloud cover are February and November (Cloud cover 28).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in December
Seillans, France
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
