December weather forecastUmmern, Germany
December
Weather in December
The first month of the winter, December, is still a cold month in Ummern, Germany, with an average temperature ranging between max 4.5°C (40.1°F) and min 1.2°C (34.2°F).Temperature
December brings a minor shift in the average high-temperature, adjusting from a chilly 8.2°C (46.8°F) in November to an icy 4.5°C (40.1°F). Ummern, during December nights, experiences a subtle shift to a low average of 1.2°C (34.2°F) from the day's heat.Humidity
In December, the average relative humidity is 87%.Rainfall
In December, in Ummern, the rain falls for 16 days. Throughout December, 44mm (1.73") of precipitation is accumulated. In Ummern, during the entire year, the rain falls for 186.2 days and collects up to 493mm (19.41") of precipitation.Snowfall
January through April, November and December are months with snowfall. In Ummern, during December, snow falls for 6.8 days and regularly aggregates up to 62mm (2.44") of snow. In Ummern, during the entire year, snow falls for 30.3 days and aggregates up to 203mm (7.99") of snow.Daylight
With an average of 7h and 42min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 08:07 and sunset at 16:07. On the last day of December, sunrise is at 08:29 and sunset at 16:13 CET.
Sunshine
With an average of 3.2h of sunshine, December has the least sunshine of the year in Ummern.UV index
The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ummern, Germany
- Average high temperature in December: 4.5°C
The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is January (2.8°C).
- Average low temperature in December: 1.2°C
The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (-0.9°C).
Average pressure in December
Ummern, Germany
- Average pressure in December: 1015mbar
The month with the highest atmospheric pressure is September (1017.1mbar).
The month with the lowest atmospheric pressure is November (1013mbar).
Average wind speed in December
Ummern, Germany
- Average wind speed in December: 17.1km/h
The windiest month (with the highest average wind speed) is December (17.1km/h).
The calmest month (with the lowest average wind speed) is August (11.4km/h).
Average humidity in December
Ummern, Germany
- Average humidity in December: 87%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Ummern, Germany
- Average rainfall in December: 44mm
The wettest month (with the highest rainfall) is July (55mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in December
Ummern, Germany
- Average rainfall days in December: 16 days
The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is February (11.8 days).
Average snowfall in December
Ummern, Germany
- Average snowfall in December: 62mm
The month with the highest snowfall is January (66mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Ummern, Germany
- Average snowfall days in December: 6.8 days
The month with the highest number of snowfall days is January (9.7 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
Ummern, Germany
- Average daylight in December: 7h and 42min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in December: 3h and 12min
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 12min).
Average sunshine days in December
Ummern, Germany
- Average sunshine days in December: 7.3 days
The month with the most sunshine days is April (13.2 days).
The month with the least sunshine days is December (7.3 days).
Average UV index in December
Ummern, Germany
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Ummern, Germany
- Average cloud cover in December: 68
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in December
Ummern, Germany
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, November and December (8km).





