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.

Frequently asked questions

During December, Firmi experiences an average high-temperature of 7.5°C (45.5°F) and a low-temperature of 0.8°C (33.4°F).

The months with the highest humidity in Firmi are November and December, with an average relative humidity of 87%.

The average relative humidity in December is 87%.

In Firmi, during December, the rain falls for 11.6 days and regularly aggregates up to 57mm (2.24") of precipitation.

In Firmi, during December, snow falls for 3.5 days and regularly aggregates up to 34mm (1.34") of snow.

With an average of 8h and 54min of daylight, December has the shortest days of the year in Firmi.

The average day length in December in Firmi is 8h and 54min.

On the first day of December in Firmi, 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.

The average sunshine duration in December in Firmi, France, is 4.6h.

The months with the lowest UV index in Firmi are January, February, November and December, with an average maximum UV index of 2.

In December, the average daily maximum UV index in Firmi, France, is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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).