Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
With the onset of December, a modest change to a chilly 9.1°C (48.4°F) from November's 11.9°C (53.4°F) is noted in high-temperature. The temperature in Saint-Méen-le-Grand during December sees a subtle transition from day to night, averaging a low of 4.2°C (39.6°F).Humidity
With an average relative humidity of 88%, December is the most humid month.Rainfall
In Saint-Méen-le-Grand, in December, during 12.2 rainfall days, 34mm (1.34") of precipitation is typically accumulated. In Saint-Méen-le-Grand, during the entire year, the rain falls for 150.1 days and collects up to 330mm (12.99") of precipitation.Snowfall
Months with snowfall in Saint-Méen-le-Grand are January through April, November and December. The months with the most snowfall are February through April and December, with an average 2mm (0.08") of accumulated snow.Daylight
With an average of 8h and 24min of daylight, December has the shortest days of the year in Saint-Méen-le-Grand.On the first day of the month, sunrise is at 08:38 and sunset at 17:17. On the last day of December, in Saint-Méen-le-Grand, sunrise is at 08:59 and sunset at 17:24 CET.
Sunshine
The average sunshine in December is 4.6h.UV index
The months with the lowest UV index in Saint-Méen-le-Grand, France, are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the average December temperature in Saint-Méen-le-Grand?
What is the most humid month in Saint-Méen-le-Grand?
What is the average humidity in December in Saint-Méen-le-Grand?
How much does it rain in Saint-Méen-le-Grand in December?
When does it snow the most in Saint-Méen-le-Grand?
How much does it snow in Saint-Méen-le-Grand in December?
What is the month with the shortest days in Saint-Méen-le-Grand?
How many hours of daylight does Saint-Méen-le-Grand have in December?
When are sunrise and sunset in December in Saint-Méen-le-Grand?
How long on average sun shines in December in Saint-Méen-le-Grand?
What is the month with the lowest UV index in Saint-Méen-le-Grand?
What is the UV index intensity in December in Saint-Méen-le-Grand?
Average temperature in December
Saint-Méen-le-Grand, France
- Average high temperature in December: 9.1°C
The warmest month (with the highest average high temperature) is August (23.1°C).
The month with the lowest average high temperature is January (8.4°C).
- Average low temperature in December: 4.2°C
The month with the highest average low temperature is July (12.8°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).
Average pressure in December
Saint-Méen-le-Grand, France
- Average pressure in December: 1018.4mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is November (1012.9mbar).
Average wind speed in December
Saint-Méen-le-Grand, France
- Average wind speed in December: 16.8km/h
The windiest month (with the highest average wind speed) is February (17.6km/h).
The calmest month (with the lowest average wind speed) is August (11.7km/h).
Average humidity in December
Saint-Méen-le-Grand, France
- Average humidity in December: 88%
The month with the highest relative humidity is December (88%).
The months with the lowest relative humidity are July, August and September (78%).
Average rainfall in December
Saint-Méen-le-Grand, France
- Average rainfall in December: 34mm
The wettest month (with the highest rainfall) is June (39mm).
The driest month (with the least rainfall) is September (12mm).
Average rainfall days in December
Saint-Méen-le-Grand, France
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is September (8.4 days).
Average snowfall in December
Saint-Méen-le-Grand, France
- Average snowfall in December: 2mm
The months with the highest snowfall are February, March, April and December (2mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Saint-Méen-le-Grand, France
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Saint-Méen-le-Grand, France
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Saint-Méen-le-Grand, France
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is September (18.5 days).
The month with the least sunshine days is May (12.1 days).
Average UV index in December
Saint-Méen-le-Grand, France
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Saint-Méen-le-Grand, France
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 41).
Average visibility in December
Saint-Méen-le-Grand, France
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, June, July, October, November and December (9km).
The months with the lowest visibility are May, August and September (8km).
Saint-Méen-le-Grand, France
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