December weather forecastGrignan, France
December
Weather in December
The first month of the winter, December, is still a chilly month in Grignan, France, with an average temperature fluctuating between 8.3°C (46.9°F) and 2°C (35.6°F).Temperature
Start of December brings a slight shift in the average high-temperature, dipping a bit from November's cool 11.5°C (52.7°F) to a chilly 8.3°C (46.9°F). Grignan experiences a steady low-temperature of 2°C (35.6°F) throughout December.Humidity
In December, the average relative humidity in Grignan is 82%.Rainfall
In December, in Grignan, the rain falls for 10.4 days. Throughout December, 32mm (1.26") of precipitation is accumulated. Throughout the year, there are 111.4 rainfall days, and 380mm (14.96") of precipitation is accumulated.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows in Grignan. Throughout December, in the average 0.4 snowfall days, it receives 1mm (0.04") of snow. In Grignan, during the entire year, snow falls for 3.3 days and aggregates up to 15mm (0.59") of snow.Daylight
December has the shortest days of the year in Grignan, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 07:56 and sunset at 17:02. On the last day of December, in Grignan, sunrise is at 08:16 and sunset at 17:10 CET.
Sunshine
In Grignan, the average sunshine in December is 5.9h.UV index
The months with the lowest UV index in Grignan, France, are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average UV index of 2 in December transforms into this advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grignan, France
- Average high temperature in December: 8.3°C
The warmest month (with the highest average high temperature) is July (28.8°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in December: 2°C
The months with the highest average low temperature are July and August (15.5°C).
The coldest month (with the lowest average low temperature) is February (0.8°C).
Average pressure in December
Grignan, France
- Average pressure in December: 1020.7mbar
The month with the highest atmospheric pressure is December (1020.7mbar).
The month with the lowest atmospheric pressure is April (1015mbar).
Average wind speed in December
Grignan, France
- Average wind speed in December: 10km/h
The windiest month (with the highest average wind speed) is May (11.9km/h).
The calmest month (with the lowest average wind speed) is November (9.5km/h).
Average humidity in December
Grignan, France
- Average humidity in December: 82%
The month with the highest relative humidity is November (83%).
The months with the lowest relative humidity are July and August (62%).
Average rainfall in December
Grignan, France
- Average rainfall in December: 32mm
The wettest month (with the highest rainfall) is November (83mm).
The driest month (with the least rainfall) is July (16mm).
Average rainfall days in December
Grignan, France
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is November (12.5 days).
The month with the least rainy days is August (6.8 days).
Average snowfall in December
Grignan, France
- Average snowfall in December: 1mm
The month with the highest snowfall is January (7mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Grignan, France
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is January (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and November (0 days).
Average daylight in December /
Average sunshine in December
Grignan, 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 54min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is November (Average sunshine: 5h and 42min).
Average sunshine days in December
Grignan, France
- Average sunshine days in December: 18.2 days
The month with the most sunshine days is August (22.7 days).
The month with the least sunshine days is November (15.6 days).
Average UV index in December
Grignan, France
- Average UV index in December: 2
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 2).
Average cloud cover in December
Grignan, France
- Average cloud cover in December: 38
The month with the most cloud cover is November (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in December
Grignan, France
- Average visibility in December: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (9km).
