December weather forecastSartilly, France
December
Weather in December
December, the first month of the winter in Sartilly, is also a frosty month, with an average temperature varying between 6.7°C (44.1°F) and 9.8°C (49.6°F).Temperature
As December unfolds, the average high-temperature reaches a chilly 9.8°C (49.6°F), hinting at a slight fluctuation from the previous month. Sartilly sustains a near constant temperature throughout December, with nighttime averages of 6.7°C (44.1°F).Humidity
In December, the average relative humidity in Sartilly, France, is 82%.Rainfall
The wettest months are November and December, with an average 74mm (2.91") of rainfall.Snowfall
Months with snowfall are January through March, November and December. The month with the most snowfall is December, when snow falls for 0.8 days and typically aggregates up to 11mm (0.43") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 18min of daylight.On the first day of December, sunrise is at 08:38 and sunset at 17:12. On the last day of the month, sunrise is at 08:58 and sunset at 17:19 CET.
Sunshine
In December, the average sunshine is 4.1h.UV index
In Sartilly, France, the average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 3 during December translates into these guidelines:
Take precautions - Protection against sun damage is advised. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sartilly, France
- Average high temperature in December: 9.8°C
The warmest months (with the highest average high temperature) are July and August (20.3°C).
The months with the lowest average high temperature are January and February (8.7°C).
- Average low temperature in December: 6.7°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is February (4.8°C).
Average pressure in December
Sartilly, France
- Average pressure in December: 1017.6mbar
The month with the highest atmospheric pressure is September (1018.2mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed in December
Sartilly, France
- Average wind speed in December: 24.9km/h
The windiest month (with the highest average wind speed) is December (24.9km/h).
The calmest month (with the lowest average wind speed) is August (15.5km/h).
Average humidity in December
Sartilly, France
- Average humidity in December: 82%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is September (78%).
Average rainfall in December
Sartilly, France
- Average rainfall in December: 74mm
The wettest months (with the highest rainfall) are November and December (74mm).
The driest months (with the least rainfall) are July and September (21mm).
Average rainfall days in December
Sartilly, France
- Average rainfall days in December: 18.6 days
The month with the highest number of rainy days is November (19.3 days).
The month with the least rainy days is July (10.8 days).
Average snowfall in December
Sartilly, France
- Average snowfall in December: 11mm
The month with the highest snowfall is December (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Sartilly, France
- Average snowfall days in December: 0.8 days
The month with the highest number of snowfall days is February (1.3 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
Sartilly, France
- Average daylight in December: 8h and 18min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in December: 4h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Sartilly, France
- Average sunshine days in December: 8.7 days
The month with the most sunshine days is July (17.5 days).
The month with the least sunshine days is November (8.2 days).
Average UV index in December
Sartilly, France
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 2).
Average cloud cover in December
Sartilly, France
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are July and September (Cloud cover 38).
Average visibility in December
Sartilly, France
- Average visibility in December: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (10km).
The months with the lowest visibility are January and November (9km).
