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
Saint-Guen's weather in December displays an average high-temperature of a frosty 9.3°C (48.7°F), showing minor disparity from November's 11.7°C (53.1°F). Saint-Guen's nighttime temperature in December consistently rests at a wintry 4.7°C (40.5°F).Humidity
With an average relative humidity of 89%, December is the most humid month.Rainfall
The month with the most rainfall in Saint-Guen is December, when the rain falls for 17.5 days and typically aggregates up to 76mm (2.99") of precipitation.Snowfall
January through April, November and December are months with snowfall. In Saint-Guen, in December, snow falls for 1.6 days, with typically accumulated 8mm (0.31") of snow. Throughout the year, there are 8.1 snowfall days, and 46mm (1.81") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 24min of daylight.On the first day of December in Saint-Guen, sunrise is at 08:41 and sunset at 17:20. On the last day of the month, sunrise is at 09:02 and sunset at 17:27 CET.
Sunshine
In December, the average sunshine is 3.6h.UV index
The months with the lowest UV index in Saint-Guen, France, are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: In December, the UV index of 2 transforms into the following advice:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
What is the temperature in December in Saint-Guen?
What is the most humid month in Saint-Guen?
What is the average humidity in December in Saint-Guen?
What is the rainiest month in Saint-Guen?
How many days does it rain in December in Saint-Guen?
How many days does it snow in December in Saint-Guen?
What is the month with the shortest days in Saint-Guen?
What is the average length of the day in December in Saint-Guen?
What time are sunrise and sunset in December in Saint-Guen?
How many hours of sunshine does Saint-Guen have in December?
What is the month with the lowest UV index in Saint-Guen?
What is the UV index reading in December in Saint-Guen?
Average temperature in December
Saint-Guen, France
- Average high temperature in December: 9.3°C
The warmest month (with the highest average high temperature) is July (21.4°C).
The month with the lowest average high temperature is January (8.4°C).
- Average low temperature in December: 4.7°C
The months with the highest average low temperature are July and August (12°C).
The coldest month (with the lowest average low temperature) is February (3°C).
Average pressure in December
Saint-Guen, France
- Average pressure in December: 1017.9mbar
The month with the highest atmospheric pressure is September (1018.4mbar).
The month with the lowest atmospheric pressure is November (1012.4mbar).
Average wind speed in December
Saint-Guen, France
- Average wind speed in December: 16.2km/h
The windiest month (with the highest average wind speed) is February (16.9km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).
Average humidity in December
Saint-Guen, France
- Average humidity in December: 89%
The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are July and September (81%).
Average rainfall in December
Saint-Guen, France
- Average rainfall in December: 76mm
The wettest month (with the highest rainfall) is December (76mm).
The driest month (with the least rainfall) is September (23mm).
Average rainfall days in December
Saint-Guen, France
- Average rainfall days in December: 17.5 days
The month with the highest number of rainy days is January (18.3 days).
The month with the least rainy days is September (12.4 days).
Average snowfall in December
Saint-Guen, France
- Average snowfall in December: 8mm
The month with the highest snowfall is January (17mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Saint-Guen, France
- Average snowfall days in December: 1.6 days
The month with the highest number of snowfall days is February (2.8 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-Guen, 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: 3h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Saint-Guen, France
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is September (13.8 days).
The month with the least sunshine days is November (7.1 days).
Average UV index in December
Saint-Guen, France
- Average UV index in December: 2
The months with the highest UV index are June and July (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-Guen, France
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 45).
Average visibility in December
Saint-Guen, France
- Average visibility in December: 9km
The months with the highest visibility are February, March and December (9km).
The months with the lowest visibility are January, April, May, June, July, August, September, October and November (8km).
Saint-Guen, France
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