December weather forecastGeismar, Germany
December
Weather in December
December, the first month of the winter in Geismar, is also a wintry month, with an average temperature varying between -0.4°C (31.3°F) and 4°C (39.2°F).Temperature
The advent of December brings a slight shift in average high-temperature, moving from a chilly 7.5°C (45.5°F) in November to a wintry 4°C (39.2°F). Geismar records a slight downturn to an average a freezing cold -0.4°C (31.3°F) during the nights of December.Humidity
In December, the average relative humidity is 90%.Rainfall
In Geismar, in December, it is raining for 14.5 days, with typically 42mm (1.65") of accumulated precipitation. In Geismar, Germany, during the entire year, the rain falls for 164.5 days and collects up to 415mm (16.34") of precipitation.Snowfall
Months with snowfall in Geismar are January through May, November and December. In Geismar, during December, snow falls for 6.8 days and regularly aggregates up to 59mm (2.32") of snow. Throughout the year, in Geismar, there are 31.9 snowfall days, and 218mm (8.58") of snow is accumulated.Daylight
With an average of 8h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 08:02 and sunset at 16:15. On the last day of December, sunrise is at 08:23 and sunset at 16:21 CET.
Sunshine
December has the least sunshine of the year, with an average of 2.9h of sunshine.UV index
In December, the average daily maximum UV index in Geismar, Germany, is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: An average maximum UV index of 2 in December leads to these recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Boost your sun resistance with garments that are densely woven yet spacious. 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
Geismar, Germany
- Average high temperature in December: 4°C
The warmest month (with the highest average high temperature) is July (23.4°C).
The month with the lowest average high temperature is January (2.2°C).
- Average low temperature in December: -0.4°C
The month with the highest average low temperature is August (12.7°C).
The coldest month (with the lowest average low temperature) is January (-2.2°C).
Average pressure in December
Geismar, Germany
- Average pressure in December: 1016.4mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1013.8mbar).
Average wind speed in December
Geismar, Germany
- Average wind speed in December: 12.4km/h
The windiest month (with the highest average wind speed) is December (12.4km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).
Average humidity in December
Geismar, Germany
- Average humidity in December: 90%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (72%).
Average rainfall in December
Geismar, Germany
- Average rainfall in December: 42mm
The wettest month (with the highest rainfall) is June (50mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in December
Geismar, Germany
- Average rainfall days in December: 14.5 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (9.9 days).
Average snowfall in December
Geismar, Germany
- Average snowfall in December: 59mm
The month with the highest snowfall is January (65mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in December
Geismar, Germany
- Average snowfall days in December: 6.8 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Geismar, Germany
- Average daylight in December: 8h and 0min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in December: 2h and 54min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in December
Geismar, Germany
- Average sunshine days in December: 10 days
The month with the most sunshine days is April (15.7 days).
The month with the least sunshine days is December (10 days).
Average UV index in December
Geismar, 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 and November (UV index 1).
Average cloud cover in December
Geismar, Germany
- Average cloud cover in December: 73
The month with the most cloud cover is December (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in December
Geismar, Germany
- Average visibility in December: 7km
The months with the highest visibility are April and August (9km).
The months with the lowest visibility are January, February, October, November and December (7km).





