December weather forecastLessy, France

December

Weather in December

The first month of the winter, December, is still a cold month in Lessy, France, with an average temperature ranging between max 5.1°C (41.2°F) and min 1°C (33.8°F).

Temperature

December signals a slight drop in average high-temperature, sliding from November's chilly 8.5°C (47.3°F) to an icy 5.1°C (41.2°F). Lessy's nighttime temperature in December consistently rests at 1°C (33.8°F).

Humidity

December is the most humid month in Lessy, France, with an average relative humidity of 90%.

Rainfall

The month with the most rainfall is December, when the rain falls for 15.6 days and typically aggregates up to 66mm (2.6") of precipitation.

Snowfall

January through March, October through December are months with snowfall in Lessy. December is the month with the most snowfall in Lessy. Snow falls for 5.5 days and accumulates 61mm (2.4") of snow.

Daylight

With an average of 8h and 18min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 08:09 and sunset at 16:40. On the last day of December, sunrise is at 08:30 and sunset at 16:47 CET.

Sunshine

The month with the least sunshine in Lessy is December, with an average of 3.3h of sunshine.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 2 in December translates into this advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.

Frequently asked questions

The average high-temperature and low-temperature in Lessy during December are 5.1°C (41.2°F) and 1°C (33.8°F) respectively.

December is the most humid month, with an average relative humidity of 90%.

In December, the average relative humidity is 90%.

The month with the most rainfall in Lessy, France, is December, when the rain falls for 15.6 days and typically aggregates up to 66mm (2.6") of precipitation.

In Lessy, France, in December, during 15.6 rainfall days, 66mm (2.6") of precipitation is typically accumulated.

December is the month with the most snowfall. Snow falls for 5.5 days and accumulates 61mm (2.4") of snow.

In December, it is snowing for 5.5 days. Throughout December, 61mm (2.4") of snow is accumulated.

With an average of 8h and 18min of daylight, December has the shortest days of the year in Lessy.

The average day length in December in Lessy, France, is 8h and 18min.

In December, on the first day of the month, sunrise is at 08:09 and sunset at 16:40. On the last day of the month, in Lessy, sunrise is at 08:30 and sunset at 16:47 CET.

December has the least sunshine of the year in Lessy, with an average of 3.3h of sunshine.

In Lessy, the average sunshine duration in December is 3.3h.

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

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
Lessy, France

  • Average high temperature in December: 5.1°C

The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is January (3.7°C).

  • Average low temperature in December: 1°C

The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (-0.4°C).

Average pressure in December
Lessy, France

  • Average pressure in December: 1019mbar

The month with the highest atmospheric pressure is December (1019mbar).
The month with the lowest atmospheric pressure is November (1014.5mbar).

Average wind speed in December
Lessy, France

  • Average wind speed in December: 15.6km/h

The windiest month (with the highest average wind speed) is February (15.7km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).

Average humidity in December
Lessy, France

  • Average humidity in December: 90%

The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (74%).

Average rainfall in December
Lessy, France

  • Average rainfall in December: 66mm

The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is April (33mm).

Average rainfall days in December
Lessy, France

  • Average rainfall days in December: 15.6 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is September (10.9 days).

Average snowfall in December
Lessy, France

  • Average snowfall in December: 61mm

The month with the highest snowfall is December (61mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).

Average snowfall days in December
Lessy, France

  • Average snowfall days in December: 5.5 days

The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

  • Average daylight in December: 8h and 18min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in December: 3h and 18min

The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).

Average sunshine days in December
Lessy, France

  • Average sunshine days in December: 9.7 days

The month with the most sunshine days is October (16.2 days).
The month with the least sunshine days is December (9.7 days).

Average UV index in December
Lessy, 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
Lessy, France

  • Average cloud cover in December: 66

The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 36).

Average visibility in December
Lessy, France

  • Average visibility in December: 8km

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