December weather forecastUlmen, Germany
December
Weather in December
The first month of the winter, December, is also an icy month in Ulmen, Germany, with an average temperature varying between 0.3°C (32.5°F) and 4.6°C (40.3°F).Temperature
The start of December signals a gentle decrease in the average high-temperature, transitioning from a chilly 7.8°C (46°F) in November to an icy 4.6°C (40.3°F). During December, nights cool slightly to an average low of 0.3°C (32.5°F).Humidity
The months with the highest humidity are January and December, with an average relative humidity of 90%.Rainfall
In December, the rain falls for 7.6 days. Throughout December, 11mm (0.43") of precipitation is accumulated. Throughout the year, there are 75.3 rainfall days, and 108mm (4.25") of precipitation is accumulated.Snowfall
Months with snowfall in Ulmen are January through May, October through December. The months with the most snowfall in Ulmen are February and December, with an average 12mm (0.47") of accumulated snow.Daylight
The month with the shortest days is December, with an average of 8h and 6min of daylight.On the first day of December, sunrise is at 08:10 and sunset at 16:32. On the last day of the month, sunrise is at 08:31 and sunset at 16:39 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 are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: In December, a daily UV index of 2 turns into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ulmen, Germany
- Average high temperature in December: 4.6°C
The warmest month (with the highest average high temperature) is July (22.9°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in December: 0.3°C
The month with the highest average low temperature is August (12.2°C).
The coldest month (with the lowest average low temperature) is January (-1.3°C).
Average pressure in December
Ulmen, Germany
- Average pressure in December: 1017.8mbar
The month with the highest atmospheric pressure is September (1017.9mbar).
The month with the lowest atmospheric pressure is November (1014mbar).
Average wind speed in December
Ulmen, Germany
- Average wind speed in December: 12.7km/h
The windiest months (with the highest average wind speed) are February and December (12.7km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).
Average humidity in December
Ulmen, Germany
- Average humidity in December: 90%
The months with the highest relative humidity are January and December (90%).
The months with the lowest relative humidity are April, July and August (75%).
Average rainfall in December
Ulmen, Germany
- Average rainfall in December: 11mm
The wettest month (with the highest rainfall) is August (13mm).
The driest month (with the least rainfall) is September (5mm).
Average rainfall days in December
Ulmen, Germany
- Average rainfall days in December: 7.6 days
The month with the highest number of rainy days is May (7.7 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in December
Ulmen, Germany
- Average snowfall in December: 12mm
The months with the highest snowfall are February and December (12mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Ulmen, Germany
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Ulmen, Germany
- Average daylight in December: 8h and 6min
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 6min).
- Average sunshine in December: 3h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in December
Ulmen, Germany
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is March (23.3 days).
The month with the least sunshine days is December (19.5 days).
Average UV index in December
Ulmen, Germany
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Ulmen, 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 36).
Average visibility in December
Ulmen, Germany
- Average visibility in December: 7km
The months with the highest visibility are March, April and August (9km).
The months with the lowest visibility are January, November and December (7km).
