December weather forecastTrégarvan, France
December
Weather in December
The first month of the winter, December, is still a cool month in Trégarvan, France, with an average temperature varying between 7.8°C (46°F) and 10.7°C (51.3°F).Temperature
Trégarvan experiences an average high-temperature of a still fresh 10.7°C (51.3°F) with the onset of December, subtly varied from November's 12.5°C (54.5°F). In December, Trégarvan experiences a marginal drop in temperature, with averages of 7.8°C (46°F) at night.Humidity
January, June, October and December, with an average relative humidity of 82%, are the most humid months.Rainfall
In Trégarvan, in December, it is raining for 19.2 days, with typically 79mm (3.11") of accumulated precipitation. Throughout the year, in Trégarvan, there are 188.8 rainfall days, and 597mm (23.5") of precipitation is accumulated.Snowfall
Months with snowfall in Trégarvan are January through March, November and December. In Trégarvan, during December, snow falls for 0.6 days and regularly aggregates up to 1mm (0.04") of snow. Throughout the year, in Trégarvan, there are 2.6 snowfall days, and 14mm (0.55") of snow is accumulated.Daylight
With an average of 8h and 24min of daylight, December has the shortest days of the year in Trégarvan.On the first day of December in Trégarvan, sunrise is at 08:47 and sunset at 17:25. On the last day of the month, sunrise is at 09:07 and sunset at 17:32 CET.
Sunshine
With an average of 3.3h of sunshine, December has the least sunshine of the year.UV index
In Trégarvan, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 3 in December converts into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Trégarvan, France
- Average high temperature in December: 10.7°C
The warmest month (with the highest average high temperature) is July (19.6°C).
The month with the lowest average high temperature is February (9.7°C).
- Average low temperature in December: 7.8°C
The months with the highest average low temperature are July and August (14.4°C).
The coldest month (with the lowest average low temperature) is February (6.1°C).
Average pressure in December
Trégarvan, France
- Average pressure in December: 1017.5mbar
The month with the highest atmospheric pressure is September (1018.4mbar).
The month with the lowest atmospheric pressure is November (1012.2mbar).
Average wind speed in December
Trégarvan, France
- Average wind speed in December: 24.8km/h
The windiest month (with the highest average wind speed) is December (24.8km/h).
The calmest months (with the lowest average wind speed) are July and August (16.4km/h).
Average humidity in December
Trégarvan, France
- Average humidity in December: 82%
The months with the highest relative humidity are January, June, October and December (82%).
The month with the lowest relative humidity is April (79%).
Average rainfall in December
Trégarvan, France
- Average rainfall in December: 79mm
The wettest month (with the highest rainfall) is November (88mm).
The driest months (with the least rainfall) are May and September (29mm).
Average rainfall days in December
Trégarvan, France
- Average rainfall days in December: 19.2 days
The month with the highest number of rainy days is January (20.5 days).
The month with the least rainy days is September (11.8 days).
Average snowfall in December
Trégarvan, France
- Average snowfall in December: 1mm
The month with the highest snowfall is January (7mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Trégarvan, France
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is February (0.9 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
Trégarvan, France
- Average daylight in December: 8h and 24min
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 18min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in December
Trégarvan, France
- Average sunshine days in December: 8.5 days
The month with the most sunshine days is September (14.7 days).
The month with the least sunshine days is November (6.6 days).
Average UV index in December
Trégarvan, 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 January (UV index 2).
Average cloud cover in December
Trégarvan, France
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is April (Cloud cover 40).
Average visibility in December
Trégarvan, France
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, June, September, October and November (10km).
The months with the lowest visibility are January, May, July, August and December (9km).
