December weather forecastRoscoff, France
December
Weather in December
December, the first month of the winter in Roscoff, is also a fresh month, with an average temperature ranging between max 10.6°C (51.1°F) and min 8.1°C (46.6°F).Temperature
As November transitions into December, the average high-temperature rests at a still cool 10.6°C (51.1°F), maintaining a close resemblance to the previous month. Roscoff records a slight downturn in temperature to an average of 8.1°C (46.6°F) during December nights.Humidity
The average relative humidity in December is 82%.Rainfall
In Roscoff, in December, during 21.7 rainfall days, 84mm (3.31") of precipitation is typically accumulated. In Roscoff, during the entire year, the rain falls for 217.9 days and collects up to 694mm (27.32") of precipitation.Snowfall
Months with snowfall in Roscoff are January through March, November and December. In Roscoff, in December, during 0.7 snowfall days, 5mm (0.2") of snow is typically accumulated. In Roscoff, during the entire year, snow falls for 3.5 days and aggregates up to 23mm (0.91") of snow.Sea temperature
In Roscoff, in December, the average water temperature is 12.7°C (54.9°F).Note: Beware when you're in 12.7°C (54.9°F) waters; 13°C (55.4°F) is chilling and anything below 10°C (50°F) could cause breathing hindrance and a sudden cold shock, given your physical condition.
Daylight
The month with the shortest days in Roscoff, France, is December, with an average of 8h and 24min of daylight.On the first day of December in Roscoff, France, sunrise is at 08:48 and sunset at 17:22. On the last day of the month, sunrise is at 09:08 and sunset at 17:29 CET.
Sunshine
With an average of 3.3h of sunshine, December has the least sunshine of the year in Roscoff.UV index
The average daily maximum UV index in December in Roscoff is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 3 in December interprets into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Roscoff, France
- Average high temperature in December: 10.6°C
The warmest month (with the highest average high temperature) is August (18.8°C).
The month with the lowest average high temperature is February (9.3°C).
- Average low temperature in December: 8.1°C
The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is February (6.2°C).
Average pressure in December
Roscoff, France
- Average pressure in December: 1017.1mbar
The month with the highest atmospheric pressure is September (1018.2mbar).
The month with the lowest atmospheric pressure is November (1011.8mbar).
Average wind speed in December
Roscoff, France
- Average wind speed in December: 27.3km/h
The windiest month (with the highest average wind speed) is December (27.3km/h).
The calmest month (with the lowest average wind speed) is July (17.6km/h).
Average humidity in December
Roscoff, France
- Average humidity in December: 82%
The month with the highest relative humidity is June (84%).
The month with the lowest relative humidity is February (80%).
Average rainfall in December
Roscoff, France
- Average rainfall in December: 84mm
The wettest month (with the highest rainfall) is November (95mm).
The driest month (with the least rainfall) is September (30mm).
Average rainfall days in December
Roscoff, France
- Average rainfall days in December: 21.7 days
The month with the highest number of rainy days is November (22.4 days).
The month with the least rainy days is September (14.1 days).
Average snowfall in December
Roscoff, France
- Average snowfall in December: 5mm
The month with the highest snowfall is March (7mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Roscoff, France
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in December
Roscoff, France
- Average sea temperature in December: 12.7°C
The best month for swimming (with the highest average sea temperature) is August (16.9°C).
The coldest month (with the lowest average sea temperature) is March (9.9°C).
Average daylight in December /
Average sunshine in December
Roscoff, 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 18min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in December
Roscoff, France
- Average sunshine days in December: 5 days
The month with the most sunshine days is September (11.3 days).
The month with the least sunshine days is November (4.6 days).
Average UV index in December
Roscoff, France
- Average UV index in December: 3
The months with the highest UV index are July and August (UV index 5).
The month with the lowest UV index is February (UV index 2).
Average cloud cover in December
Roscoff, France
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 41).
Average visibility in December
Roscoff, France
- Average visibility in December: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, November and December (9km).
