December weather forecastArlos, France

December

Weather in December

December, the first month of the winter in Arlos, is also a wintry month, with temperature in the range of an average high of 4.9°C (40.8°F) and an average low of -2.4°C (27.7°F).

Temperature

December's arrival brings an average high-temperature of an icy 4.9°C (40.8°F), slightly deviating from November's 7.4°C (45.3°F). Arlos records a mean low-temperature of -2.4°C (27.7°F) in December.

Humidity

In Arlos, the average relative humidity in December is 78%.

Rainfall

In December, in Arlos, France, the rain falls for 6.4 days. Throughout December, 53mm (2.09") of precipitation is accumulated. In Arlos, during the entire year, the rain falls for 149.7 days and collects up to 817mm (32.17") of precipitation.

Snowfall

Months with snowfall are January through June, August through December. In December, in Arlos, France, it is snowing for 12.5 days. Throughout December, 364mm (14.33") of snow is accumulated. In Arlos, France, during the entire year, snow falls for 90.2 days and aggregates up to 2798mm (110.16") of snow.

Daylight

With an average of 9h and 6min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 08:08 and sunset at 17:23. On the last day of December, sunrise is at 08:27 and sunset at 17:32 CET.

Sunshine

In December, the average sunshine in Arlos is 6.7h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily maximum UV index of 2 in December interprets into the following advice:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Take note! UV radiation from the Sun can double in intensity due to snow reflection.

Frequently asked questions

December temperatures vary between a high-temperature of 4.9°C (40.8°F) and a low-temperature of -2.4°C (27.7°F).

In December, the average relative humidity is 78%.

In Arlos, in December, it is raining for 6.4 days, with typically 53mm (2.09") of accumulated precipitation.

In Arlos, France, in December, snow falls for 12.5 days, with typically accumulated 364mm (14.33") of snow.

The month with the shortest days is December, with an average of 9h and 6min of daylight.

In December, the average day length in Arlos is 9h and 5min.

On the first day of December in Arlos, France, sunrise is at 08:08 and sunset at 17:23. On the last day of the month, sunrise is at 08:27 and sunset at 17:32 CET.

The average sunshine duration in December in Arlos, France, is 6.7h.

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

The average daily maximum UV index in December in Arlos is 2. A UV Index reading of 2, and below, represents a low health threat from exposure to Sun's UV rays.
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
Arlos, France

  • Average high temperature in December: 4.9°C

The warmest months (with the highest average high temperature) are July and August (21.7°C).
The month with the lowest average high temperature is February (3.2°C).

  • Average low temperature in December: -2.4°C

The month with the highest average low temperature is August (10.5°C).
The coldest month (with the lowest average low temperature) is February (-4.3°C).

Average pressure in December
Arlos, France

  • Average pressure in December: 1021.7mbar

The month with the highest atmospheric pressure is December (1021.7mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).

Average wind speed in December
Arlos, France

  • Average wind speed in December: 8.1km/h

The windiest month (with the highest average wind speed) is February (8.8km/h).
The calmest month (with the lowest average wind speed) is August (5.6km/h).

Average humidity in December
Arlos, France

  • Average humidity in December: 78%

The months with the highest relative humidity are February and March (81%).
The months with the lowest relative humidity are July and August (70%).

Average rainfall in December
Arlos, France

  • Average rainfall in December: 53mm

The wettest month (with the highest rainfall) is May (94mm).
The driest month (with the least rainfall) is February (43mm).

Average rainfall days in December
Arlos, France

  • Average rainfall days in December: 6.4 days

The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (5.9 days).

Average snowfall in December
Arlos, France

  • Average snowfall in December: 364mm

The month with the highest snowfall is January (479mm).
The month with the least snowfall is July (0mm).

Average snowfall days in December
Arlos, France

  • Average snowfall days in December: 12.5 days

The month with the highest number of snowfall days is January (15.3 days).
The month with the least snowfall days is July (0 days).

Average daylight in December /
Average sunshine in December
Arlos, France

  • Average daylight in December: 9h and 6min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in December: 6h and 42min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is November (Average sunshine: 6h and 24min).

Average sunshine days in December
Arlos, France

  • Average sunshine days in December: 16.8 days

The month with the most sunshine days is October (17.1 days).
The month with the least sunshine days is June (6.9 days).

Average UV index in December
Arlos, France

  • Average UV index in December: 2

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in December
Arlos, France

  • Average cloud cover in December: 29

The month with the most cloud cover is April (Cloud cover 38).
The months with the least cloud cover are July, August and September (Cloud cover 22).

Average visibility in December
Arlos, France

  • Average visibility in December: 9km

The months with the highest visibility are February, March, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January and April (8km).