December weather forecastFirmi, France
December
Weather in December
The first month of the winter, December, is also a frosty month in Firmi, France, with an average temperature varying between 0.8°C (33.4°F) and 7.5°C (45.5°F).Temperature
December brings a slight decrease in temperature, down from a fresh 10.8°C (51.4°F) in November to a frosty 7.5°C (45.5°F). Firmi experiences a mean low-temperature of 0.8°C (33.4°F) during December.Humidity
November and December, with an average relative humidity of 87%, are the most humid months.Rainfall
In Firmi, during December, the rain falls for 11.6 days and regularly aggregates up to 57mm (2.24") of precipitation. In Firmi, during the entire year, the rain falls for 139.9 days and collects up to 540mm (21.26") of precipitation.Snowfall
Months with snowfall in Firmi are January through May, October through December. In Firmi, during December, snow falls for 3.5 days and regularly aggregates up to 34mm (1.34") of snow. Throughout the year, there are 22.2 snowfall days, and 282mm (11.1") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 08:07 and sunset at 17:12. On the last day of the month, sunrise is at 08:27 and sunset at 17:20 CET.
Sunshine
The average sunshine in December is 4.6h.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 value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Employ a wide-brim hat for potent defense against up to 50% of UV rays. 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
Firmi, France
- Average high temperature in December: 7.5°C
The warmest month (with the highest average high temperature) is August (26.6°C).
The month with the lowest average high temperature is January (6.6°C).
- Average low temperature in December: 0.8°C
The month with the highest average low temperature is July (13°C).
The coldest month (with the lowest average low temperature) is February (-1°C).
Average pressure in December
Firmi, France
- Average pressure in December: 1021.5mbar
The month with the highest atmospheric pressure is December (1021.5mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in December
Firmi, France
- Average wind speed in December: 8.8km/h
The windiest month (with the highest average wind speed) is March (10km/h).
The calmest months (with the lowest average wind speed) are August and September (7.3km/h).
Average humidity in December
Firmi, France
- Average humidity in December: 87%
The months with the highest relative humidity are November and December (87%).
The month with the lowest relative humidity is August (67%).
Average rainfall in December
Firmi, France
- Average rainfall in December: 57mm
The wettest month (with the highest rainfall) is November (63mm).
The driest month (with the least rainfall) is September (28mm).
Average rainfall days in December
Firmi, France
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is September (8.5 days).
Average snowfall in December
Firmi, France
- Average snowfall in December: 34mm
The month with the highest snowfall is January (91mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Firmi, France
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is January (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Firmi, France
- Average daylight in December: 8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 4h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is November (Average sunshine: 4h and 30min).
Average sunshine days in December
Firmi, France
- Average sunshine days in December: 16.7 days
The month with the most sunshine days is September (20.1 days).
The months with the least sunshine days are April and June (14.5 days).
Average UV index in December
Firmi, France
- Average UV index in December: 2
The months with the highest UV index are 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
Firmi, France
- Average cloud cover in December: 55
The month with the most cloud cover is November (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in December
Firmi, France
- Average visibility in December: 7km
The month with the highest visibility is August (9km).
The months with the lowest visibility are January, February, November and December (7km).





