December weather forecastLailly, France

December

Weather in December

December, the first month of the winter in Lailly, is still a chilly month, with an average temperature ranging between min 2.1°C (35.8°F) and max 6.7°C (44.1°F).

Temperature

A subtle change in temperatures is noted as November gives way to December, with average highs reducing from a cool 10.1°C (50.2°F) to a chilly 6.7°C (44.1°F). Nights in Lailly during December maintain a steady temperature, averaging at an icy 2.1°C (35.8°F).

Humidity

December is the most humid month, with an average relative humidity of 88%.

Rainfall

In Lailly, during December, the rain falls for 16.5 days and regularly aggregates up to 53mm (2.09") of precipitation. Throughout the year, in Lailly, France, there are 180.5 rainfall days, and 499mm (19.65") of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. In December, in Lailly, it is snowing for 3.3 days. Throughout December, 25mm (0.98") of snow is accumulated. In Lailly, France, during the entire year, snow falls for 12.4 days and aggregates up to 89mm (3.5") of snow.

Daylight

The month with the shortest days in Lailly is December, with an average of 8h and 24min of daylight.
On the first day of the month, sunrise is at 08:16 and sunset at 16:54. On the last day of December, sunrise is at 08:36 and sunset at 17:01 CET.

Sunshine

The average sunshine in December in Lailly, France, is 3.9h.

UV index

January, February, 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 hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: An average UV index of 2 in December transforms into this advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Boost your sun resistance with garments that are densely woven yet spacious. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

Frequently asked questions

The high-temperature in Lailly during December is 6.7°C (44.1°F) and the low-temperature is 2.1°C (35.8°F).

December is the most humid month in Lailly, France, with an average relative humidity of 88%.

In December, the average relative humidity in Lailly, France, is 88%.

In Lailly, France, during December, the rain falls for 16.5 days and regularly aggregates up to 53mm (2.09") of precipitation.

In December, in Lailly, France, it is snowing for 3.3 days. Throughout December, 25mm (0.98") of snow is accumulated.

With an average of 8h and 24min of daylight, December has the shortest days of the year in Lailly, France.

In December, the average day length in Lailly is 8h and 25min.

In December, on the first day of the month, sunrise is at 08:16 and sunset at 16:54. On the last day of the month, in Lailly, France, sunrise is at 08:36 and sunset at 17:01 CET.

The average sunshine duration in December is 3.9h.

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

The average daily maximum UV index in December in Lailly is 2. A UV Index reading of 2, and below, represents a low health threat from unprotected exposure to UV radiation.
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
Lailly, France

  • Average high temperature in December: 6.7°C

The warmest month (with the highest average high temperature) is August (25.3°C).
The month with the lowest average high temperature is January (5.6°C).

  • Average low temperature in December: 2.1°C

The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (0.8°C).

Average pressure in December
Lailly, 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 (1014.3mbar).

Average wind speed in December
Lailly, France

  • Average wind speed in December: 13.8km/h

The windiest month (with the highest average wind speed) is February (13.9km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).

Average humidity in December
Lailly, France

  • Average humidity in December: 88%

The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (70%).

Average rainfall in December
Lailly, France

  • Average rainfall in December: 53mm

The wettest month (with the highest rainfall) is June (58mm).
The driest month (with the least rainfall) is September (25mm).

Average rainfall days in December
Lailly, France

  • Average rainfall days in December: 16.5 days

The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is September (11.1 days).

Average snowfall in December
Lailly, France

  • Average snowfall in December: 25mm

The month with the highest snowfall is January (30mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Lailly, France

  • Average snowfall days in December: 3.3 days

The month with the highest number of snowfall days is January (3.8 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
Lailly, France

  • Average daylight in December: 8h and 24min

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 24min).

  • Average sunshine in December: 3h and 54min

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

Average sunshine days in December
Lailly, France

  • Average sunshine days in December: 10 days

The month with the most sunshine days is September (17.2 days).
The month with the least sunshine days is June (8.4 days).

Average UV index in December
Lailly, France

  • Average UV index in December: 2

The month with the highest UV index is 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
Lailly, France

  • Average cloud cover in December: 61

The months with the most cloud cover are January and December (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 35).

Average visibility in December
Lailly, France

  • Average visibility in December: 8km

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