December weather forecastChécy, France

December

Weather in December

The first month of the winter, December, is also a frosty month in Chécy, France, with an average temperature varying between 3.1°C (37.6°F) and 7.4°C (45.3°F).

Temperature

The start of December signals a gentle decrease in the average high-temperature, transitioning from a cool 10.8°C (51.4°F) in November to a chilly 7.4°C (45.3°F). Chécy encounters an average temperature dip to an icy 3.1°C (37.6°F) throughout December, subtly lower than its daytime maximum.

Humidity

With an average relative humidity of 87%, December is the most humid month.

Rainfall

In Chécy, in December, it is raining for 15.4 days, with typically 48mm (1.89") of accumulated precipitation. Throughout the year, there are 168.5 rainfall days, and 464mm (18.27") of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In Chécy, during December, snow falls for 1.6 days and regularly aggregates up to 14mm (0.55") of snow. Throughout the year, there are 6.7 snowfall days, and 45mm (1.77") of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 8h and 30min of daylight.
On the first day of the month, sunrise is at 08:20 and sunset at 17:01. On the last day of December, sunrise is at 08:41 and sunset at 17:09 CET.

Sunshine

In Chécy, the average sunshine in December is 4.2h.

UV index

The months with the lowest UV index in Chécy are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high UV index of 2 in December translates into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.

Frequently asked questions

An average high-temperature, in December, in Chécy, is 7.4°C (45.3°F) and the average low-temperature is 3.1°C (37.6°F).

The most humid month in Chécy, France, is December, with an average relative humidity of 87%.

In December, the average relative humidity is 87%.

In Chécy, during December, the rain falls for 15.4 days and regularly aggregates up to 48mm (1.89") of precipitation.

In Chécy, France, in December, snow falls for 1.6 days, with typically accumulated 14mm (0.55") of snow.

With an average of 8h and 30min of daylight, December has the shortest days of the year in Chécy, France.

The average day length in December in Chécy, France, is 8h and 28min.

On the first day of December in Chécy, sunrise is at 08:20 and sunset at 17:01. On the last day of the month, sunrise is at 08:41 and sunset at 17:09 CET.

The average sunshine duration in December in Chécy is 4.2h.

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

In December, the average daily maximum UV index in Chécy is 2. A UV Index estimate of 2, and below, represents a low health risk 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
Chécy, France

  • Average high temperature in December: 7.4°C

The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (6.4°C).

  • Average low temperature in December: 3.1°C

The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).

Average pressure in December
Chécy, France

  • Average pressure in December: 1019.2mbar

The month with the highest atmospheric pressure is December (1019.2mbar).
The month with the lowest atmospheric pressure is November (1014mbar).

Average wind speed in December
Chécy, France

  • Average wind speed in December: 15.4km/h

The windiest month (with the highest average wind speed) is February (16km/h).
The calmest month (with the lowest average wind speed) is August (10.2km/h).

Average humidity in December
Chécy, France

  • Average humidity in December: 87%

The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (70%).

Average rainfall in December
Chécy, France

  • Average rainfall in December: 48mm

The wettest month (with the highest rainfall) is June (51mm).
The driest month (with the least rainfall) is September (21mm).

Average rainfall days in December
Chécy, France

  • Average rainfall days in December: 15.4 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is September (10.5 days).

Average snowfall in December
Chécy, France

  • Average snowfall in December: 14mm

The month with the highest snowfall is February (15mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Chécy, France

  • Average snowfall days in December: 1.6 days

The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

  • Average daylight in December: 8h and 30min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in December: 4h and 12min

The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in December
Chécy, France

  • Average sunshine days in December: 11.3 days

The month with the most sunshine days is September (17.7 days).
The month with the least sunshine days is December (11.3 days).

Average UV index in December
Chécy, France

  • Average UV index in December: 2

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, November and December (UV index 2).

Average cloud cover in December
Chécy, France

  • Average cloud cover in December: 58

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 36).

Average visibility in December
Chécy, France

  • Average visibility in December: 9km

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