December weather forecastGuimaëc, France
December
Weather in December
The first month of the winter, December, is still a cool month in Guimaëc, France, with an average temperature varying between 10.1°C (50.2°F) and 7°C (44.6°F).Temperature
With the onset of December, a modest change to a still fresh 10.1°C (50.2°F) from November's 12°C (53.6°F) is noted in high-temperature. December nights reveal a minor deviation from daytime highs, with a mean low-temperature of 7°C (44.6°F).Humidity
In Guimaëc, the average relative humidity in December is 83%.Rainfall
In Guimaëc, France, in December, during 21.2 rainfall days, 74mm (2.91") of precipitation is typically accumulated. Throughout the year, there are 214.5 rainfall days, and 643mm (25.31") of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Guimaëc, in December, during 0.9 snowfall days, 9mm (0.35") of snow is typically accumulated. In Guimaëc, during the entire year, snow falls for 4.5 days and aggregates up to 38mm (1.5") of snow.Daylight
December has the shortest days of the year in Guimaëc, with an average of 8h and 24min of daylight.On the first day of December in Guimaëc, sunrise is at 08:46 and sunset at 17:21. On the last day of the month, sunrise is at 09:07 and sunset at 17:28 CET.
Sunshine
The average sunshine in December in Guimaëc is 3.5h.UV index
The average daily maximum UV index in December in Guimaëc is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The UV index of 3 during December leads to these advisories:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Guimaëc, France
- Average high temperature in December: 10.1°C
The warmest month (with the highest average high temperature) is August (19.1°C).
The month with the lowest average high temperature is January (9°C).
- Average low temperature in December: 7°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (5.4°C).
Average pressure in December
Guimaëc, France
- Average pressure in December: 1017.2mbar
The month with the highest atmospheric pressure is September (1018.2mbar).
The month with the lowest atmospheric pressure is November (1011.9mbar).
Average wind speed in December
Guimaëc, France
- Average wind speed in December: 25.3km/h
The windiest months (with the highest average wind speed) are February and December (25.3km/h).
The calmest month (with the lowest average wind speed) is July (16.3km/h).
Average humidity in December
Guimaëc, France
- Average humidity in December: 83%
The month with the highest relative humidity is June (85%).
The months with the lowest relative humidity are February, March, April, September and October (82%).
Average rainfall in December
Guimaëc, France
- Average rainfall in December: 74mm
The wettest month (with the highest rainfall) is November (82mm).
The driest month (with the least rainfall) is September (28mm).
Average rainfall days in December
Guimaëc, France
- Average rainfall days in December: 21.2 days
The month with the highest number of rainy days is November (21.7 days).
The month with the least rainy days is September (13.7 days).
Average snowfall in December
Guimaëc, France
- Average snowfall in December: 9mm
The month with the highest snowfall is January (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Guimaëc, France
- Average snowfall days in December: 0.9 days
The month with the highest number of snowfall days is February (1.9 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
Guimaëc, France
- Average daylight in December: 8h and 24min
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 24min).
- Average sunshine in December: 3h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Guimaëc, France
- Average sunshine days in December: 5.5 days
The month with the most sunshine days is September (11.1 days).
The month with the least sunshine days is November (4.8 days).
Average UV index in December
Guimaëc, France
- Average UV index in December: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in December
Guimaëc, France
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are April, July and September (Cloud cover 42).
Average visibility in December
Guimaëc, France
- Average visibility in December: 9km
The months with the highest visibility are March, April, June, July and September (10km).
The months with the lowest visibility are January, February, May, August, October, November and December (9km).
