December weather forecastOlfen, Germany
December
Weather in December
December, the first month of the winter in Olfen, is also an icy month, with temperature in the range of an average low of 1.8°C (35.2°F) and an average high of 5.4°C (41.7°F).Temperature
In December, the average high-temperature marginally drops from a frosty 9°C (48.2°F) in November to an icy 5.4°C (41.7°F). Nights in December showcase an average temperature of 1.8°C (35.2°F), slightly cooler than the daytime.Humidity
With an average relative humidity of 88%, December is the most humid month in Olfen.Rainfall
December is the month with the most rainfall. Rain falls for 16.5 days and accumulates 55mm (2.17") of precipitation.Snowfall
Months with snowfall in Olfen are January through March, November and December. In Olfen, in December, snow falls for 3.9 days, with typically accumulated 37mm (1.46") of snow. In Olfen, during the entire year, snow falls for 16.8 days and aggregates up to 127mm (5") of snow.Daylight
With an average of 7h and 54min of daylight, December has the shortest days of the year in Olfen, Germany.On the first day of the month, sunrise is at 08:15 and sunset at 16:24. On the last day of December, sunrise is at 08:37 and sunset at 16:30 CET.
Sunshine
With an average of 3.5h of sunshine, December has the least sunshine of the year in Olfen.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A typical high UV index of 2 in December suggests the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Always opt for UVA and UVB-resistant sunglasses on radiant days. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Olfen, Germany
- Average high temperature in December: 5.4°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (4.1°C).
- Average low temperature in December: 1.8°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is January (0.3°C).
Average pressure in December
Olfen, Germany
- Average pressure in December: 1015.9mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1012.9mbar).
Average wind speed in December
Olfen, Germany
- Average wind speed in December: 16.6km/h
The windiest month (with the highest average wind speed) is December (16.6km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).
Average humidity in December
Olfen, Germany
- Average humidity in December: 88%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (72%).
Average rainfall in December
Olfen, Germany
- Average rainfall in December: 55mm
The wettest month (with the highest rainfall) is December (55mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in December
Olfen, Germany
- Average rainfall days in December: 16.5 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is February (12.8 days).
Average snowfall in December
Olfen, Germany
- Average snowfall in December: 37mm
The month with the highest snowfall is January (38mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Olfen, Germany
- Average snowfall days in December: 3.9 days
The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Olfen, Germany
- Average daylight in December: 7h and 54min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in December: 3h and 30min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in December
Olfen, Germany
- Average sunshine days in December: 10.7 days
The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is July (10.1 days).
Average UV index in December
Olfen, 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
Olfen, 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 39).
Average visibility in December
Olfen, Germany
- 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).





