December weather forecastMerschweiller, France

December

Weather in December

December, the first month of the winter in Merschweiller, is also a wintry month, with an average temperature varying between 4.8°C (40.6°F) and 0.8°C (33.4°F).

Temperature

Transition into December subtly marks a drop in the average high-temperature, moderately moving from a frosty 8.2°C (46.8°F) in November to a cold 4.8°C (40.6°F). Merschweiller's nighttime temperature in December shows a minor descent, with a steady average of 0.8°C (33.4°F).

Humidity

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

Rainfall

December is the month with the most rainfall. Rain falls for 16.5 days and accumulates 71mm (2.8") of precipitation.

Snowfall

Months with snowfall in Merschweiller are January through March, October through December. The month with the most snowfall in Merschweiller, France, is December, when snow falls for 6.2 days and typically aggregates up to 55mm (2.17") of snow.

Daylight

The month with the shortest days is December, with an average of 8h and 12min of daylight.
On the first day of the month, sunrise is at 08:09 and sunset at 16:37. On the last day of December, sunrise is at 08:30 and sunset at 16:44 CET.

Sunshine

The month with the least sunshine in Merschweiller is December, with an average of 3.2h of sunshine.

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 of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.

Frequently asked questions

The high-temperature in Merschweiller, France, during December is 4.8°C (40.6°F) and the low-temperature is 0.8°C (33.4°F).

The most humid month in Merschweiller is December, with an average relative humidity of 90%.

In Merschweiller, France, the average relative humidity in December is 90%.

December is the month with the most rainfall. Rain falls for 16.5 days and accumulates 71mm (2.8") of precipitation.

In Merschweiller, France, in December, during 16.5 rainfall days, 71mm (2.8") of precipitation is typically accumulated.

December is the month with the most snowfall in Merschweiller, France. Snow falls for 6.2 days and accumulates 55mm (2.17") of snow.

In Merschweiller, during December, snow falls for 6.2 days and regularly aggregates up to 55mm (2.17") of snow.

With an average of 8h and 12min of daylight, December has the shortest days of the year in Merschweiller.

In Merschweiller, France, the average day length in December is 8h and 15min.

In December, on the first day of the month, sunrise is at 08:09 and sunset at 16:37. On the last day of the month, sunrise is at 08:30 and sunset at 16:44 CET.

December has the least sunshine of the year, with an average of 3.2h of sunshine.

In Merschweiller, France, the average sunshine duration in December is 3.2h.

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

The average daily maximum UV index in December in Merschweiller, France, is 2. A UV Index estimate of 2, and below, represents a low health threat from exposure to the Sun's 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
Merschweiller, France

  • Average high temperature in December: 4.8°C

The warmest month (with the highest average high temperature) is August (23.1°C).
The month with the lowest average high temperature is January (3.5°C).

  • Average low temperature in December: 0.8°C

The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-0.7°C).

Average pressure in December
Merschweiller, France

  • Average pressure in December: 1018.6mbar

The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is November (1014.2mbar).

Average wind speed in December
Merschweiller, France

  • Average wind speed in December: 14.9km/h

The windiest month (with the highest average wind speed) is February (15.3km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).

Average humidity in December
Merschweiller, 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 (75%).

Average rainfall in December
Merschweiller, France

  • Average rainfall in December: 71mm

The wettest month (with the highest rainfall) is December (71mm).
The driest month (with the least rainfall) is April (36mm).

Average rainfall days in December
Merschweiller, France

  • Average rainfall days in December: 16.5 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is September (11.7 days).

Average snowfall in December
Merschweiller, France

  • Average snowfall in December: 55mm

The month with the highest snowfall is December (55mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).

Average snowfall days in December
Merschweiller, France

  • Average snowfall days in December: 6.2 days

The month with the highest number of snowfall days is January (7.1 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
Merschweiller, France

  • Average daylight in December: 8h and 12min

The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).

  • Average sunshine in December: 3h and 12min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).

Average sunshine days in December
Merschweiller, France

  • Average sunshine days in December: 8.4 days

The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is December (8.4 days).

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

Average cloud cover in December
Merschweiller, France

  • Average cloud cover in December: 68

The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 36).

Average visibility in December
Merschweiller, France

  • Average visibility in December: 8km

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