December weather forecastGrolsheim, Germany
December
Weather in December
December, the first month of the winter in Grolsheim, is also an icy month, with an average temperature ranging between min 0.5°C (32.9°F) and max 4.9°C (40.8°F).Temperature
In Grolsheim, entering December brings a subtle temperature decrement, reducing from November's frosty 8.1°C (46.6°F) to an icy 4.9°C (40.8°F). Grolsheim records a mild decrease in temperature during the nights of December, averaging 0.5°C (32.9°F).Humidity
January and December, with an average relative humidity of 89%, are the most humid months.Rainfall
In Grolsheim, in December, during 15.9 rainfall days, 40mm (1.57") of precipitation is typically accumulated. Throughout the year, there are 176 rainfall days, and 462mm (18.19") of precipitation is accumulated.Snowfall
Months with snowfall in Grolsheim are January through April, November and December. In December, it is snowing for 4.9 days. Throughout December, 41mm (1.61") of snow is accumulated. In Grolsheim, during the entire year, snow falls for 22.7 days and aggregates up to 150mm (5.91") of snow.Daylight
The month with the shortest days in Grolsheim is December, with an average of 8h and 12min of daylight.On the first day of December in Grolsheim, sunrise is at 08:05 and sunset at 16:29. On the last day of the month, sunrise is at 08:26 and sunset at 16:36 CET.
Sunshine
With an average of 3.4h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index in Grolsheim are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: A daily high UV index of 2 in December leads to these guidelines:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grolsheim, Germany
- Average high temperature in December: 4.9°C
The warmest month (with the highest average high temperature) is July (24.4°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in December: 0.5°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 (-1.3°C).
Average pressure in December
Grolsheim, Germany
- Average pressure in December: 1018.4mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is November (1014.5mbar).
Average wind speed in December
Grolsheim, Germany
- Average wind speed in December: 11.7km/h
The windiest months (with the highest average wind speed) are February and March (12.1km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).
Average humidity in December
Grolsheim, Germany
- Average humidity in December: 89%
The months with the highest relative humidity are January and December (89%).
The months with the lowest relative humidity are July and August (72%).
Average rainfall in December
Grolsheim, Germany
- Average rainfall in December: 40mm
The wettest month (with the highest rainfall) is July (58mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in December
Grolsheim, Germany
- Average rainfall days in December: 15.9 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is February (11.9 days).
Average snowfall in December
Grolsheim, Germany
- Average snowfall in December: 41mm
The months with the highest snowfall are January and February (44mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Grolsheim, Germany
- Average snowfall days in December: 4.9 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
Grolsheim, Germany
- Average daylight in December: 8h and 12min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in December: 3h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in December
Grolsheim, Germany
- Average sunshine days in December: 9.2 days
The month with the most sunshine days is October (15 days).
The month with the least sunshine days is December (9.2 days).
Average UV index in December
Grolsheim, Germany
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Grolsheim, Germany
- Average cloud cover in December: 66
The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Grolsheim, Germany
- Average visibility in December: 7km
The months with the highest visibility are March, April, May, June, July and August (9km).
The months with the lowest visibility are January, November and December (7km).





