Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
The commencement of December includes a gentle temperature shift, with the average high-temperature dropping a bit from a frosty 9°C (48.2°F) in November to a wintry 5.4°C (41.7°F). December nights in Heidwiller are marked by an average low-temperature of 0.2°C (32.4°F).Humidity
In December, the average relative humidity is 85%.Rainfall
In December, the rain falls for 15.3 days. Throughout December, 71mm (2.8") of precipitation is accumulated. In Heidwiller, during the entire year, the rain falls for 183.7 days and collects up to 683mm (26.89") of precipitation.Snowfall
January through March, October through December are months with snowfall in Heidwiller. December is the month with the most snowfall in Heidwiller, France. Snow falls for 6 days and accumulates 60mm (2.36") of snow.Daylight
With an average of 8h and 30min of daylight, December has the shortest days of the year in Heidwiller.On the first day of the month, sunrise is at 07:58 and sunset at 16:41. On the last day of December, sunrise is at 08:19 and sunset at 16:49 CET.
Sunshine
The month with the least sunshine in Heidwiller, France, is December, with an average of 4.8h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Heidwiller. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 2 in December translates into these instructions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Heidwiller?
What is the average humidity in December in Heidwiller?
How much does it rain in Heidwiller in December?
When does it snow the most in Heidwiller?
How much does it snow in Heidwiller in December?
What is the month with the shortest days in Heidwiller?
What is the average length of the day in December in Heidwiller?
When is the sunrise / sunset in December in Heidwiller?
What is the month with the least sunshine in Heidwiller?
How many hours of sunshine does Heidwiller have in December?
What is the month with the lowest UV index in Heidwiller?
What is the UV index reading in December in Heidwiller?
Average temperature in December
Heidwiller, France
- Average high temperature in December: 5.4°C
The warmest month (with the highest average high temperature) is August (24.1°C).
The month with the lowest average high temperature is January (3.8°C).
- Average low temperature in December: 0.2°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 (-1.7°C).
Average pressure in December
Heidwiller, France
- Average pressure in December: 1020.6mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is November (1015.6mbar).
Average wind speed in December
Heidwiller, France
- Average wind speed in December: 9.9km/h
The windiest month (with the highest average wind speed) is February (10.1km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).
Average humidity in December
Heidwiller, France
- Average humidity in December: 85%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are April and August (76%).
Average rainfall in December
Heidwiller, France
- Average rainfall in December: 71mm
The wettest month (with the highest rainfall) is June (82mm).
The driest month (with the least rainfall) is September (33mm).
Average rainfall days in December
Heidwiller, France
- Average rainfall days in December: 15.3 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is October (12.2 days).
Average snowfall in December
Heidwiller, France
- Average snowfall in December: 60mm
The month with the highest snowfall is December (60mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in December
Heidwiller, France
- Average snowfall days in December: 6 days
The month with the highest number of snowfall days is January (7.3 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
Heidwiller, France
- Average daylight in December: 8h and 3min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in December
Heidwiller, France
- Average sunshine days in December: 11.7 days
The month with the most sunshine days is October (16 days).
The month with the least sunshine days is May (7.5 days).
Average UV index in December
Heidwiller, 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
Heidwiller, France
- Average cloud cover in December: 51
The months with the most cloud cover are January and December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Heidwiller, France
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July, August and October (9km).
The months with the lowest visibility are January, February, September, November and December (8km).
