December weather forecast
Coulomby, France

December

Weather in December

The first month of the winter, December, is still a chilly month in Coulomby, France, with an average temperature ranging between max 8.5°C (47.3°F) and min 5.9°C (42.6°F).

Temperature

In the transition from November to December, Coulomby reports an average high-temperature of a frosty 8.5°C (47.3°F), indicating a close resemblance to the prior month. Throughout December, a modest shift from daytime highs is anticipated, with an average low-temperature of 5.9°C (42.6°F).

Humidity

January, June and December, with an average relative humidity of 83%, are the most humid months in Coulomby.

Rainfall

December is the month with the most rainfall in Coulomby. Rain falls for 16.7 days and accumulates 54mm (2.13") of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In Coulomby, during December, snow falls for 1 days and regularly aggregates up to 4mm (0.16") of snow. In Coulomby, during the entire year, snow falls for 7.4 days and aggregates up to 40mm (1.57") of snow.

Daylight

December has the shortest days of the year, with an average of 8h and 6min of daylight.
On the first day of December in Coulomby, sunrise is at 08:32 and sunset at 16:49. On the last day of the month, sunrise is at 08:53 and sunset at 16:56 CET.

Sunshine

In December, the average sunshine in Coulomby, France, is 4.3h.

UV index

In December, the average daily maximum UV index in Coulomby, France, is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 3 in December suggests the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Take note! UV radiation from the Sun can double in intensity due to snow reflection.

Frequently asked questions

What is the temperature in December in Coulomby?
The average high-temperature and low-temperature in Coulomby, France, during December are 8.5°C (47.3°F) and 5.9°C (42.6°F) respectively.
What are the most humid months in Coulomby?
January, June and December, with an average relative humidity of 83%, are most humid months in Coulomby.
What is the average humidity in December in Coulomby?
In December, the average relative humidity in Coulomby, France, is 83%.
What is the wettest month in Coulomby?
The month with the most rainfall is December, when the rain falls for 16.7 days and typically aggregates up to 54mm (2.13") of precipitation.
How many days does it rain in December in Coulomby?
In Coulomby, in December, it is raining for 16.7 days, with typically 54mm (2.13") of accumulated precipitation.
How many days does it snow in December in Coulomby?
In Coulomby, in December, during 1 snowfall days, 4mm (0.16") of snow is typically accumulated.
What is the month with the shortest days in Coulomby?
December has the shortest days of the year in Coulomby, with an average of 8h and 6min of daylight.
How many hours of daylight does Coulomby have in December?
In Coulomby, France, the average day length in December is 8h and 4min.
When is the sunrise / sunset in December in Coulomby?
In December, on the first day of the month, sunrise is at 08:32 and sunset at 16:49. On the last day of the month, sunrise is at 08:53 and sunset at 16:56 CET.
How many hours of sunshine does Coulomby have in December?
In December, the average sunshine duration is 4.3h.
What is the UV index intensity in December in Coulomby?
In December, the average daily maximum UV index in Coulomby is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe 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
Coulomby, France
  • Average high temperature in December: 8.5°C

The warmest month (with the highest average high temperature) is August (19.6°C).
The month with the lowest average high temperature is January (7°C).

  • Average low temperature in December: 5.9°C

The month with the highest average low temperature is August (15.7°C).
The coldest month (with the lowest average low temperature) is January (4.1°C).

Average pressure in December
Coulomby, France
  • Average pressure in December: 1015.8mbar

The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1011.6mbar).

Average wind speed in December
Coulomby, France
  • Average wind speed in December: 27.4km/h

The windiest month (with the highest average wind speed) is December (27.4km/h).
The calmest month (with the lowest average wind speed) is July (18.1km/h).

Average humidity in December
Coulomby, France
  • Average humidity in December: 83%

The months with the highest relative humidity are January, June and December (83%).
The months with the lowest relative humidity are August and September (79%).

Average rainfall in December
Coulomby, France
  • Average rainfall in December: 54mm

The wettest month (with the highest rainfall) is December (54mm).
The driest months (with the least rainfall) are April and May (19mm).

Average rainfall days in December
Coulomby, France
  • Average rainfall days in December: 16.7 days

The month with the highest number of rainy days is November (17.9 days).
The month with the least rainy days is April (11.5 days).

Average snowfall in December
Coulomby, France
  • Average snowfall in December: 4mm

The month with the highest snowfall is January (21mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Coulomby, France
  • Average snowfall days in December: 1 days

The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Coulomby, France
  • Average daylight in December: 8h and 1min

The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).

  • Average sunshine in December: 4h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is November (Average sunshine: 4h and 12min).

Average sunshine days in December
Coulomby, France
  • Average sunshine days in December: 9.5 days

The month with the most sunshine days is April (15.4 days).
The month with the least sunshine days is November (9.2 days).

Average UV index in December
Coulomby, France
  • Average UV index in December: 3

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 and November (UV index 2).

Average cloud cover in December
Coulomby, France
  • Average cloud cover in December: 58

The month with the most cloud cover is November (Cloud cover 59).
The months with the least cloud cover are April and August (Cloud cover 38).

Average visibility in December
Coulomby, France
  • Average visibility in December: 10km

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).

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