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
December
Weather in December
Temperature
December's arrival comes with a mild decrease in the average high-temperature, moving subtly from a fresh 11.1°C (52°F) in November to a frosty 8.1°C (46.6°F). Saint-Jacques-des-Guérets documents a consistent average low-temperature of 3.5°C (38.3°F) at night during December.Humidity
The months with the highest humidity are January and December, with an average relative humidity of 87%.Rainfall
In Saint-Jacques-des-Guérets, during December, the rain falls for 14.5 days and regularly aggregates up to 49mm (1.93") of precipitation. In Saint-Jacques-des-Guérets, during the entire year, the rain falls for 159.8 days and collects up to 436mm (17.17") of precipitation.Snowfall
January through March, November and December are months with snowfall in Saint-Jacques-des-Guérets. In Saint-Jacques-des-Guérets, in December, snow falls for 0.9 days, with typically accumulated 2mm (0.08") of snow. Throughout the year, in Saint-Jacques-des-Guérets, there are 4.6 snowfall days, and 19mm (0.75") of snow is accumulated.Daylight
The month with the shortest days in Saint-Jacques-des-Guérets is December, with an average of 8h and 30min of daylight.On the first day of the month, sunrise is at 08:25 and sunset at 17:06. On the last day of December, sunrise is at 08:45 and sunset at 17:14 CET.
Sunshine
In Saint-Jacques-des-Guérets, the average sunshine in December is 4.4h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Minimize direct exposure to the Sun during midday when its radiation is at its peak. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Saint-Jacques-des-Guérets?
What are the most humid months in Saint-Jacques-des-Guérets?
What is the average humidity in December in Saint-Jacques-des-Guérets?
How much does it rain in Saint-Jacques-des-Guérets in December?
How much does it snow in Saint-Jacques-des-Guérets in December?
What is the month with the shortest days in Saint-Jacques-des-Guérets?
What is the average length of the day in December in Saint-Jacques-des-Guérets?
When are sunrise and sunset in December in Saint-Jacques-des-Guérets?
How long on average sun shines in December in Saint-Jacques-des-Guérets?
When is the lowest UV index in Saint-Jacques-des-Guérets?
How high is the UV index in December in Saint-Jacques-des-Guérets?
Average temperature in December
Saint-Jacques-des-Guérets, France
- Average high temperature in December: 8.1°C
The warmest month (with the highest average high temperature) is August (24.7°C).
The month with the lowest average high temperature is January (6.9°C).
- Average low temperature in December: 3.5°C
The month with the highest average low temperature is July (14.3°C).
The coldest month (with the lowest average low temperature) is February (2°C).
Average pressure in December
Saint-Jacques-des-Guérets, France
- Average pressure in December: 1019.4mbar
The month with the highest atmospheric pressure is December (1019.4mbar).
The month with the lowest atmospheric pressure is November (1013.9mbar).
Average wind speed in December
Saint-Jacques-des-Guérets, France
- Average wind speed in December: 16.5km/h
The windiest month (with the highest average wind speed) is February (17.1km/h).
The calmest month (with the lowest average wind speed) is August (11km/h).
Average humidity in December
Saint-Jacques-des-Guérets, 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 (71%).
Average rainfall in December
Saint-Jacques-des-Guérets, France
- Average rainfall in December: 49mm
The wettest month (with the highest rainfall) is November (53mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in December
Saint-Jacques-des-Guérets, France
- Average rainfall days in December: 14.5 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is September (9.6 days).
Average snowfall in December
Saint-Jacques-des-Guérets, France
- Average snowfall in December: 2mm
The months with the highest snowfall are January and February (7mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Saint-Jacques-des-Guérets, France
- Average snowfall days in December: 0.9 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
Saint-Jacques-des-Guérets, France
- Average daylight in December: 8h and 3min
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 30min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Saint-Jacques-des-Guérets, France
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is September (18.4 days).
The months with the least sunshine days are June and November (12.8 days).
Average UV index in December
Saint-Jacques-des-Guérets, France
- Average UV index in December: 2
The months with the highest UV index are May, 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-Jacques-des-Guérets, France
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 36).
Average visibility in December
Saint-Jacques-des-Guérets, France
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
