December weather forecastHerne, Germany
December
Weather in December
December, the first month of the winter in Herne, is also an icy month, with temperature in the range of an average high of 5.5°C (41.9°F) and an average low of 1.9°C (35.4°F).Temperature
The transition into December subtly indicates a reduction in the average high-temperature, down to an icy 5.5°C (41.9°F) from November's frosty 8.9°C (48°F). A consistent average low of 1.9°C (35.4°F) is noted throughout December, only a small step down from its daytime high.Humidity
December is the most humid month in Herne, Germany, with an average relative humidity of 88%.Rainfall
The month with the most rainfall is December, when the rain falls for 16.5 days and typically aggregates up to 60mm (2.36") of precipitation.Snowfall
January through April, November and December are months with snowfall. In Herne, in December, during 4.5 snowfall days, 45mm (1.77") of snow is typically accumulated. Throughout the year, in Herne, there are 17.5 snowfall days, and 146mm (5.75") of snow is accumulated.Daylight
December has the shortest days of the year in Herne, Germany, with an average of 7h and 54min of daylight.On the first day of the month, sunrise is at 08:15 and sunset at 16:25. On the last day of December, in Herne, sunrise is at 08:36 and sunset at 16:31 CET.
Sunshine
The month with the least sunshine is December, with an average of 3.5h of sunshine.UV index
The months with the lowest UV index in Herne are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Experience reduced UV exposure by about half when donning a wide-brim hat. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Herne, Germany
- Average high temperature in December: 5.5°C
The warmest months (with the highest average high temperature) are July and August (23.3°C).
The month with the lowest average high temperature is January (4.1°C).
- Average low temperature in December: 1.9°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (0.4°C).
Average pressure in December
Herne, 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
Herne, Germany
- Average wind speed in December: 16.5km/h
The windiest month (with the highest average wind speed) is December (16.5km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).
Average humidity in December
Herne, 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 (71%).
Average rainfall in December
Herne, Germany
- Average rainfall in December: 60mm
The wettest month (with the highest rainfall) is December (60mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in December
Herne, Germany
- Average rainfall days in December: 16.5 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is April (12.1 days).
Average snowfall in December
Herne, Germany
- Average snowfall in December: 45mm
The month with the highest snowfall is January (46mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Herne, Germany
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is January (5.8 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
Herne, 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 30min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in December
Herne, Germany
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is April (15.7 days).
The month with the least sunshine days is December (10.5 days).
Average UV index in December
Herne, 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
Herne, Germany
- Average cloud cover in December: 67
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in December
Herne, 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).








