December weather forecastSiersthal, France
December
Weather in December
December, the first month of the winter in Siersthal, is still a cold month, with an average temperature varying between 0.4°C (32.7°F) and 4.6°C (40.3°F).Temperature
Siersthal's progression into December involves a gentle drop in the average high-temperature, from a frosty 8.2°C (46.8°F) in November to an icy 4.6°C (40.3°F). Throughout December nights, Siersthal records a consistent low-temperature averaging a still wintry 0.4°C (32.7°F).Humidity
With an average relative humidity of 90%, December is the most humid month in Siersthal.Rainfall
The month with the most rainfall in Siersthal is December, when the rain falls for 13.2 days and typically aggregates up to 44mm (1.73") of precipitation.Snowfall
Months with snowfall are January through March, May, November and December. The month with the most snowfall in Siersthal is December, when snow falls for 5.6 days and typically aggregates up to 52mm (2.05") of snow.Daylight
The month with the shortest days in Siersthal is December, with an average of 8h and 18min of daylight.On the first day of December, sunrise is at 08:03 and sunset at 16:35. On the last day of the month, sunrise is at 08:24 and sunset at 16:42 CET.
Sunshine
December has the least sunshine of the year in Siersthal, with an average of 3.3h of sunshine.UV index
The months with the lowest UV index are November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 1 in December leads to these recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Siersthal, France
- Average high temperature in December: 4.6°C
The warmest month (with the highest average high temperature) is July (23.8°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in December: 0.4°C
The month with the highest average low temperature is August (13°C).
The coldest month (with the lowest average low temperature) is January (-1.3°C).
Average pressure in December
Siersthal, 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 (1014.7mbar).
Average wind speed in December
Siersthal, France
- Average wind speed in December: 13km/h
The windiest month (with the highest average wind speed) is February (13.2km/h).
The calmest month (with the lowest average wind speed) is August (9km/h).
Average humidity in December
Siersthal, France
- Average humidity in December: 90%
The month with the highest relative humidity is December (90%).
The months with the lowest relative humidity are April, July and August (75%).
Average rainfall in December
Siersthal, France
- Average rainfall in December: 44mm
The wettest month (with the highest rainfall) is December (44mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in December
Siersthal, France
- Average rainfall days in December: 13.2 days
The month with the highest number of rainy days is May (16.5 days).
The months with the least rainy days are February and September (10.4 days).
Average snowfall in December
Siersthal, France
- Average snowfall in December: 52mm
The month with the highest snowfall is December (52mm).
The months with the least snowfall are April, June, July, August, September and October (0mm).
Average snowfall days in December
Siersthal, France
- Average snowfall days in December: 5.6 days
The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Siersthal, 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 months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in December
Siersthal, France
- Average sunshine days in December: 11.5 days
The month with the most sunshine days is September (17 days).
The month with the least sunshine days is December (11.5 days).
Average UV index in December
Siersthal, France
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover in December
Siersthal, France
- Average cloud cover in December: 69
The month with the most cloud cover is December (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Siersthal, France
- Average visibility in December: 7km
The months with the highest visibility are March, April, June, July and August (9km).
The months with the lowest visibility are November and December (7km).
