December weather forecastOllen, Germany
December
Weather in December
December, the first month of the winter in Ollen, is also an icy month, with an average temperature fluctuating between 1.3°C (34.3°F) and 5.1°C (41.2°F).Temperature
December signifies a gentle decline in Ollen's average high-temperature, easing from a frosty 8.4°C (47.1°F) in November to an icy 5.1°C (41.2°F). A mild drop to an average of 1.3°C (34.3°F) marks the nights during December.Humidity
December is the most humid month, with an average relative humidity of 90%.Rainfall
In Ollen, during December, the rain falls for 15 days and regularly aggregates up to 38mm (1.5") of precipitation. Throughout the year, there are 177.1 rainfall days, and 415mm (16.34") of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Ollen, in December, snow falls for 3.9 days, with typically accumulated 25mm (0.98") of snow. In Ollen, during the entire year, snow falls for 16.9 days and aggregates up to 94mm (3.7") of snow.Daylight
With an average of 7h and 36min of daylight, December has the shortest days of the year in Ollen, Germany.On the first day of December, sunrise is at 08:17 and sunset at 16:12. On the last day of the month, sunrise is at 08:40 and sunset at 16:18 CET.
Sunshine
With an average of 3.2h of sunshine, December has the least sunshine of the year.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 value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum UV index of 2 in December translates into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ollen, Germany
- Average high temperature in December: 5.1°C
The warmest month (with the highest average high temperature) is August (22.7°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in December: 1.3°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (-0.4°C).
Average pressure in December
Ollen, Germany
- Average pressure in December: 1013.9mbar
The month with the highest atmospheric pressure is September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1011.9mbar).
Average wind speed in December
Ollen, Germany
- Average wind speed in December: 18.5km/h
The windiest month (with the highest average wind speed) is December (18.5km/h).
The calmest month (with the lowest average wind speed) is August (12.3km/h).
Average humidity in December
Ollen, Germany
- Average humidity in December: 90%
The month with the highest relative humidity is December (90%).
The months with the lowest relative humidity are April and August (77%).
Average rainfall in December
Ollen, Germany
- Average rainfall in December: 38mm
The wettest month (with the highest rainfall) is June (50mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in December
Ollen, Germany
- Average rainfall days in December: 15 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (11.5 days).
Average snowfall in December
Ollen, Germany
- Average snowfall in December: 25mm
The month with the highest snowfall is January (31mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Ollen, Germany
- Average snowfall days in December: 3.9 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Ollen, Germany
- Average daylight in December: 7h and 36min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in December: 3h and 12min
The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in December
Ollen, Germany
- Average sunshine days in December: 10.9 days
The month with the most sunshine days is April (14.5 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in December
Ollen, 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
Ollen, Germany
- Average cloud cover in December: 69
The month with the most cloud cover is December (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in December
Ollen, Germany
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).
The month with the lowest visibility is November (8km).





