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 onset of December brings a small shift in high-temperatures, falling from a chilly 9.5°C (49.1°F) in November to an icy 5.5°C (41.9°F). Throughout December, Gertwiller reports a steady low-temperature average of 0.8°C (33.4°F), slightly lower than its daytime counterpart.Humidity
The months with the highest humidity in Gertwiller are January and December, with an average relative humidity of 86%.Rainfall
In Gertwiller, in December, during 14.3 rainfall days, 50mm (1.97") of precipitation is typically accumulated. In Gertwiller, France, during the entire year, the rain falls for 162.7 days and collects up to 492mm (19.37") of precipitation.Snowfall
January through March, October through December are months with snowfall in Gertwiller. December is the month with the most snowfall. Snow falls for 4.4 days and accumulates 40mm (1.57") of snow.Daylight
The month with the shortest days in Gertwiller is December, with an average of 8h and 24min of daylight.On the first day of the month, sunrise is at 08:00 and sunset at 16:37. On the last day of December, sunrise is at 08:21 and sunset at 16:45 CET.
Sunshine
In December, the average sunshine in Gertwiller is 4.6h.UV index
The months with the lowest UV index in Gertwiller are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: The UV index of 2 during December leads to these advisories:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. To cut down UV radiation exposure by about half, sport a wide-brim hat. On your guard! Snow's reflection can almost 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 Gertwiller?
What are the most humid months in Gertwiller?
What is the average humidity in December in Gertwiller?
How many days does it rain in December in Gertwiller?
What is the snowiest month in Gertwiller?
How many days does it snow in December in Gertwiller?
What is the month with the shortest days in Gertwiller?
What is the average length of the day in December in Gertwiller?
What time are sunrise and sunset in December in Gertwiller?
How many hours of sunshine does Gertwiller have in December?
When is the lowest UV index in Gertwiller?
What is the UV index reading in December in Gertwiller?
Average temperature in December
Gertwiller, France
- Average high temperature in December: 5.5°C
The warmest month (with the highest average high temperature) is August (24.9°C).
The month with the lowest average high temperature is January (4.3°C).
- Average low temperature in December: 0.8°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (-0.7°C).
Average pressure in December
Gertwiller, France
- Average pressure in December: 1019.8mbar
The month with the highest atmospheric pressure is December (1019.8mbar).
The month with the lowest atmospheric pressure is November (1015.2mbar).
Average wind speed in December
Gertwiller, France
- Average wind speed in December: 10.7km/h
The windiest month (with the highest average wind speed) is February (11km/h).
The calmest month (with the lowest average wind speed) is August (7.4km/h).
Average humidity in December
Gertwiller, France
- Average humidity in December: 86%
The months with the highest relative humidity are January and December (86%).
The months with the lowest relative humidity are April, July and August (73%).
Average rainfall in December
Gertwiller, France
- Average rainfall in December: 50mm
The wettest months (with the highest rainfall) are June and July (56mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in December
Gertwiller, France
- Average rainfall days in December: 14.3 days
The months with the highest number of rainy days are May and July (17.1 days).
The month with the least rainy days is September (10.5 days).
Average snowfall in December
Gertwiller, France
- Average snowfall in December: 40mm
The month with the highest snowfall is December (40mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in December
Gertwiller, France
- Average snowfall days in December: 4.4 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Gertwiller, France
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in December
Gertwiller, France
- Average sunshine days in December: 13.1 days
The month with the most sunshine days is October (17.3 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in December
Gertwiller, France
- Average UV index in December: 2
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Gertwiller, France
- Average cloud cover in December: 54
The months with the most cloud cover are January and December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Gertwiller, France
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and December (8km).
