December weather forecastSaint-Chef, France

December

Weather in December

December, the first month of the winter in Saint-Chef, is also a frosty month, with an average temperature varying between 6.6°C (43.9°F) and 1.4°C (34.5°F).

Temperature

A subtle change in temperatures is noted as November gives way to December, with average highs reducing from a cool 10.3°C (50.5°F) to a chilly 6.6°C (43.9°F). December sees the temperature falling to a mean low of 1.4°C (34.5°F).

Humidity

The most humid month in Saint-Chef is December, with an average relative humidity of 85%.

Rainfall

In Saint-Chef, during December, the rain falls for 12.5 days and regularly aggregates up to 48mm (1.89") of precipitation. In Saint-Chef, during the entire year, the rain falls for 164.3 days and collects up to 575mm (22.64") of precipitation.

Snowfall

Months with snowfall in Saint-Chef are January through March, October through December. In Saint-Chef, in December, snow falls for 3.7 days, with typically accumulated 34mm (1.34") of snow. In Saint-Chef, during the entire year, snow falls for 17.1 days and aggregates up to 147mm (5.79") of snow.

Daylight

The month with the shortest days is December, with an average of 8h and 48min of daylight.
On the first day of December, sunrise is at 07:59 and sunset at 16:56. On the last day of the month, sunrise is at 08:18 and sunset at 17:04 CET.

Sunshine

The average sunshine in December is 4.7h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Saint-Chef, France. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 2 translates into these guidelines:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.

Frequently asked questions

In December, the average high-temperature and low-temperature are 6.6°C (43.9°F) and 1.4°C (34.5°F) respectively.

December is the most humid month, with an average relative humidity of 85%.

The average relative humidity in December is 85%.

In Saint-Chef, in December, during 12.5 rainfall days, 48mm (1.89") of precipitation is typically accumulated.

In Saint-Chef, France, during December, snow falls for 3.7 days and regularly aggregates up to 34mm (1.34") of snow.

With an average of 8h and 48min of daylight, December has the shortest days of the year in Saint-Chef, France.

The average day length in December in Saint-Chef, France, is 8h and 46min.

In December, on the first day of the month, sunrise is at 07:59 and sunset at 16:56. On the last day of the month, sunrise is at 08:18 and sunset at 17:04 CET.

In Saint-Chef, France, the average sunshine duration in December is 4.7h.

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

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Saint-Chef, France

  • Average high temperature in December: 6.6°C

The warmest month (with the highest average high temperature) is August (26.1°C).
The month with the lowest average high temperature is January (5.3°C).

  • Average low temperature in December: 1.4°C

The months with the highest average low temperature are July and August (14.6°C).
The coldest month (with the lowest average low temperature) is January (0.1°C).

Average pressure in December
Saint-Chef, France

  • Average pressure in December: 1021.2mbar

The month with the highest atmospheric pressure is December (1021.2mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).

Average wind speed in December
Saint-Chef, France

  • Average wind speed in December: 10.5km/h

The windiest month (with the highest average wind speed) is February (11.7km/h).
The calmest months (with the lowest average wind speed) are August and September (8.4km/h).

Average humidity in December
Saint-Chef, France

  • Average humidity in December: 85%

The month with the highest relative humidity is December (85%).
The month with the lowest relative humidity is August (71%).

Average rainfall in December
Saint-Chef, France

  • Average rainfall in December: 48mm

The wettest month (with the highest rainfall) is November (65mm).
The driest month (with the least rainfall) is February (32mm).

Average rainfall days in December
Saint-Chef, France

  • Average rainfall days in December: 12.5 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is September (11.5 days).

Average snowfall in December
Saint-Chef, France

  • Average snowfall in December: 34mm

The month with the highest snowfall is February (41mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).

Average snowfall days in December
Saint-Chef, France

  • Average snowfall days in December: 3.7 days

The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are April, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Saint-Chef, France

  • Average daylight in December: 8h and 48min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in December: 4h and 42min

The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in December
Saint-Chef, France

  • Average sunshine days in December: 14.5 days

The month with the most sunshine days is October (16.6 days).
The month with the least sunshine days is May (10.3 days).

Average UV index in December
Saint-Chef, France

  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Saint-Chef, France

  • Average cloud cover in December: 53

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 26).

Average visibility in December
Saint-Chef, France

  • Average visibility in December: 8km

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