December weather forecast
Saint-Just-de-Claix, France

December

Weather in December

The first month of the winter, December, is also an icy month in Saint-Just-de-Claix, France, with an average temperature fluctuating between 4.1°C (39.4°F) and -1.5°C (29.3°F).

Temperature

With the onset of December, Saint-Just-de-Claix's climate undergoes a slight change as the average high-temperature moves from a frosty 7.5°C (45.5°F) in November to a cold 4.1°C (39.4°F). Throughout December, an average nighttime temperature of -1.5°C (29.3°F) is experienced in Saint-Just-de-Claix.

Humidity

In December, the average relative humidity is 85%.

Rainfall

In Saint-Just-de-Claix, in December, during 8 rainfall days, 62mm (2.44") of precipitation is typically accumulated. Throughout the year, in Saint-Just-de-Claix, there are 133.2 rainfall days, and 581mm (22.87") of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Saint-Just-de-Claix, France. December is the month with the most snowfall. Snow falls for 11.4 days and accumulates 252mm (9.92") of snow.

Daylight

With an average of 8h and 48min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 07:57 and sunset at 16:58. On the last day of December, in Saint-Just-de-Claix, sunrise is at 08:17 and sunset at 17:06 CET.

Sunshine

The average sunshine in December is 4.8h.

UV index

The months with the lowest UV index in Saint-Just-de-Claix, France, are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 2 during December translates into the following guidance:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.

Frequently asked questions

Is December cold in Saint-Just-de-Claix?
The average high-temperature, in December, in Saint-Just-de-Claix, is 4.1°C (39.4°F), while the average low-temperature is -1.5°C (29.3°F).
What is the average humidity in December in Saint-Just-de-Claix?
In December, the average relative humidity is 85%.
How many days does it rain in December in Saint-Just-de-Claix?
In Saint-Just-de-Claix, during December, the rain falls for 8 days and regularly aggregates up to 62mm (2.44") of precipitation.
What is the snowiest month in Saint-Just-de-Claix?
December is the month with the most snowfall in Saint-Just-de-Claix. Snow falls for 11.4 days and accumulates 252mm (9.92") of snow.
How many days does it snow in December in Saint-Just-de-Claix?
In Saint-Just-de-Claix, France, in December, snow falls for 11.4 days, with typically accumulated 252mm (9.92") of snow.
What is the month with the shortest days in Saint-Just-de-Claix?
The month with the shortest days in Saint-Just-de-Claix is December, with an average of 8h and 48min of daylight.
What is the average length of the day in December in Saint-Just-de-Claix?
In Saint-Just-de-Claix, France, the average day length in December is 8h and 50min.
What time are sunrise and sunset in December in Saint-Just-de-Claix?
In December, on the first day of the month, sunrise is at 07:57 and sunset at 16:58. On the last day of the month, sunrise is at 08:17 and sunset at 17:06 CET.
How long on average sun shines in December in Saint-Just-de-Claix?
The average sunshine duration in December is 4.8h.
What are the months with the lowest UV index in Saint-Just-de-Claix?
The months with the lowest UV index in Saint-Just-de-Claix are January, February, November and December, with an average maximum UV index of 2.
What is the UV index intensity in December in Saint-Just-de-Claix?
The average daily maximum UV index in December in Saint-Just-de-Claix 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
Saint-Just-de-Claix, France
  • Average high temperature in December: 4.1°C

The warmest month (with the highest average high temperature) is August (22.3°C).
The month with the lowest average high temperature is January (2.4°C).

  • Average low temperature in December: -1.5°C

The month with the highest average low temperature is July (11.6°C).
The coldest month (with the lowest average low temperature) is February (-3.6°C).

Average pressure in December
Saint-Just-de-Claix, France
  • Average pressure in December: 1020.7mbar

The month with the highest atmospheric pressure is December (1020.7mbar).
The month with the lowest atmospheric pressure is April (1015mbar).

Average wind speed in December
Saint-Just-de-Claix, France
  • Average wind speed in December: 10.4km/h

The windiest month (with the highest average wind speed) is February (11.1km/h).
The calmest month (with the lowest average wind speed) is September (8.2km/h).

Average humidity in December
Saint-Just-de-Claix, France
  • Average humidity in December: 85%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (76%).

Average rainfall in December
Saint-Just-de-Claix, France
  • Average rainfall in December: 62mm

The wettest months (with the highest rainfall) are June and November (65mm).
The driest month (with the least rainfall) is September (33mm).

Average rainfall days in December
Saint-Just-de-Claix, France
  • Average rainfall days in December: 8 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is February (4.6 days).

Average snowfall in December
Saint-Just-de-Claix, France
  • Average snowfall in December: 252mm

The month with the highest snowfall is December (252mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Saint-Just-de-Claix, France
  • Average snowfall days in December: 11.4 days

The month with the highest number of snowfall days is January (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Saint-Just-de-Claix, France
  • Average daylight in December: 8h and 5min

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 5min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in December
Saint-Just-de-Claix, France
  • Average sunshine days in December: 15 days

The month with the most sunshine days is August (16.8 days).
The month with the least sunshine days is May (11.7 days).

Average UV index in December
Saint-Just-de-Claix, France
  • Average UV index in December: 2

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

Average cloud cover in December
Saint-Just-de-Claix, France
  • Average cloud cover in December: 49

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in December
Saint-Just-de-Claix, France
  • Average visibility in December: 8km

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

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