December weather forecastErmont, France

December

Weather in December

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

Temperature

The commencement of December includes a gentle temperature shift, with the average high-temperature dropping a bit from a fresh 10.5°C (50.9°F) in November to a frosty 7.4°C (45.3°F). In Ermont, a slight decrease from the daytime peak is noted during the month of December, with an average low-temperature of 3.1°C (37.6°F).

Humidity

January and December, with an average relative humidity of 86%, are the most humid months.

Rainfall

December is the month with the most rainfall in Ermont. Rain falls for 11.6 days and accumulates 18mm (0.71") of precipitation.

Snowfall

January through March, November and December are months with snowfall. In Ermont, France, in December, during 1.1 snowfall days, 2mm (0.08") of snow is typically accumulated. Throughout the year, there are 5.6 snowfall days, and 17mm (0.67") of snow is accumulated.

Daylight

With an average of 8h and 18min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 08:24 and sunset at 16:56. On the last day of the month, sunrise is at 08:44 and sunset at 17:03 CET.

Sunshine

The average sunshine in December in Ermont is 4.2h.

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 estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.
Note: An average maximum UV index of 2 in December leads to these recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.

Frequently asked questions

In December, the average high-temperature and low-temperature are 7.4°C (45.3°F) and 3.1°C (37.6°F) respectively.

The months with the highest humidity are January and December, with an average relative humidity of 86%.

In December, the average relative humidity in Ermont, France, is 86%.

The month with the most rainfall in Ermont is December, when the rain falls for 11.6 days and typically aggregates up to 18mm (0.71") of precipitation.

In Ermont, during December, the rain falls for 11.6 days and regularly aggregates up to 18mm (0.71") of precipitation.

In Ermont, France, in December, snow falls for 1.1 days, with typically accumulated 2mm (0.08") of snow.

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

In Ermont, the average day length in December is 8h and 19min.

On the first day of December in Ermont, sunrise is at 08:24 and sunset at 16:56. On the last day of the month, sunrise is at 08:44 and sunset at 17:03 CET.

The average sunshine duration in December in Ermont, France, is 4.2h.

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

In Ermont, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal 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
Ermont, France

  • Average high temperature in December: 7.4°C

The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (5.9°C).

  • Average low temperature in December: 3.1°C

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

Average pressure in December
Ermont, France

  • Average pressure in December: 1018.1mbar

The months with the highest atmospheric pressure are September and December (1018.1mbar).
The month with the lowest atmospheric pressure is November (1013.3mbar).

Average wind speed in December
Ermont, France

  • Average wind speed in December: 15.1km/h

The windiest month (with the highest average wind speed) is February (15.5km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).

Average humidity in December
Ermont, France

  • Average humidity in December: 86%

The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (68%).

Average rainfall in December
Ermont, France

  • Average rainfall in December: 18mm

The wettest month (with the highest rainfall) is December (18mm).
The driest month (with the least rainfall) is September (6mm).

Average rainfall days in December
Ermont, France

  • Average rainfall days in December: 11.6 days

The month with the highest number of rainy days is July (12.5 days).
The month with the least rainy days is September (7.6 days).

Average snowfall in December
Ermont, France

  • Average snowfall in December: 2mm

The month with the highest snowfall is January (7mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Ermont, France

  • Average snowfall days in December: 1.1 days

The month with the highest number of snowfall days is February (2.1 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
Ermont, 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: 4h and 12min

The months with the most sunshine are July and August (Average sunshine: 9h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in December
Ermont, France

  • Average sunshine days in December: 14.7 days

The month with the most sunshine days is September (19.6 days).
The months with the least sunshine days are February and July (14.3 days).

Average UV index in December
Ermont, 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
Ermont, France

  • Average cloud cover in December: 58

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 38).

Average visibility in December
Ermont, France

  • Average visibility in December: 9km

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