December weather forecastCessy, France

December

Weather in December

The first month of the winter, December, is still a cold month in Cessy, France, with an average temperature fluctuating between 4.4°C (39.9°F) and -1.5°C (29.3°F).

Temperature

December witnesses a gentle descent in average high-temperature, descending from November's frosty 8.3°C (46.9°F) to an icy 4.4°C (39.9°F). An average low-temperature of -1.5°C (29.3°F) marks the nights throughout December.

Humidity

In Cessy, the average relative humidity in December is 85%.

Rainfall

In Cessy, in December, it is raining for 14.1 days, with typically 82mm (3.23") of accumulated precipitation. In Cessy, during the entire year, the rain falls for 190.1 days and collects up to 748mm (29.45") of precipitation.

Snowfall

January through April, October through December are months with snowfall. December is the month with the most snowfall. Snow falls for 4.7 days and accumulates 81mm (3.19") of snow.

Daylight

With an average of 8h and 42min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 07:58 and sunset at 16:51. On the last day of December, sunrise is at 08:18 and sunset at 16:59 CET.

Sunshine

The month with the least sunshine is December, with an average of 4.9h of sunshine.

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 value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, the maximum UV index of 2 translates into these guidelines:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.

Frequently asked questions

In Cessy, 4.4°C (39.9°F) is the average high-temperature and -1.5°C (29.3°F) is the average low-temperature during December.

In Cessy, the average relative humidity in December is 85%.

In Cessy, during December, the rain falls for 14.1 days and regularly aggregates up to 82mm (3.23") of precipitation.

December is the month with the most snowfall. Snow falls for 4.7 days and accumulates 81mm (3.19") of snow.

In December, it is snowing for 4.7 days. Throughout December, 81mm (3.19") of snow is accumulated.

December has the shortest days of the year, with an average of 8h and 42min of daylight.

The average day length in December is 8h and 41min.

In December, on the first day of the month, sunrise is at 07:58 and sunset at 16:51. On the last day of the month, sunrise is at 08:18 and sunset at 16:59 CET.

The month with the least sunshine is December, with an average of 4.9h of sunshine.

The average sunshine duration in December is 4.9h.

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

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health risk 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
Cessy, France

  • Average high temperature in December: 4.4°C

The warmest month (with the highest average high temperature) is July (22.7°C).
The month with the lowest average high temperature is January (2.7°C).

  • Average low temperature in December: -1.5°C

The month with the highest average low temperature is July (11.7°C).
The coldest month (with the lowest average low temperature) is February (-3.4°C).

Average pressure in December
Cessy, 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
Cessy, France

  • Average wind speed in December: 9.2km/h

The windiest month (with the highest average wind speed) is February (9.5km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).

Average humidity in December
Cessy, France

  • Average humidity in December: 85%

The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April, July and August (79%).

Average rainfall in December
Cessy, France

  • Average rainfall in December: 82mm

The wettest month (with the highest rainfall) is June (86mm).
The driest month (with the least rainfall) is October (41mm).

Average rainfall days in December
Cessy, France

  • Average rainfall days in December: 14.1 days

The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is February (11.7 days).

Average snowfall in December
Cessy, France

  • Average snowfall in December: 81mm

The month with the highest snowfall is December (81mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in December
Cessy, France

  • Average snowfall days in December: 4.7 days

The months with the highest number of snowfall days are January and February (6.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in December: 8h and 42min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in December: 4h and 54min

The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

Average sunshine days in December
Cessy, France

  • Average sunshine days in December: 13.1 days

The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is June (7.7 days).

Average UV index in December
Cessy, 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, March, November and December (UV index 2).

Average cloud cover in December
Cessy, France

  • Average cloud cover in December: 49

The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in December
Cessy, France

  • Average visibility in December: 8km

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