December weather forecastBommern, Germany

December

Weather in December

December, the first month of the winter in Bommern, is still a cold month, with an average temperature ranging between min 1.6°C (34.9°F) and max 5.5°C (41.9°F).

Temperature

December indicates a minor shift in the average high-temperature, from November's frosty 8.8°C (47.8°F) to an icy 5.5°C (41.9°F). Bommern, during December nights, witnesses an average temperature marginally cooler than its daytime highs, at 1.6°C (34.9°F).

Humidity

December is the most humid month, with an average relative humidity of 87%.

Rainfall

December is the month with the most rainfall. Rain falls for 16.7 days and accumulates 66mm (2.6") of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Bommern, during December, snow falls for 4.7 days and regularly aggregates up to 50mm (1.97") of snow. Throughout the year, there are 20.7 snowfall days, and 172mm (6.77") of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 7h and 54min of daylight.
On the first day of the month, sunrise is at 08:14 and sunset at 16:25. On the last day of December, sunrise is at 08:35 and sunset at 16:32 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 low threat to health from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.

Frequently asked questions

The average high-temperature and low-temperature during December are 5.5°C (41.9°F) and 1.6°C (34.9°F) respectively.

December is the most humid month, with an average relative humidity of 87%.

The average relative humidity in December is 87%.

December is the month with the most rainfall. Rain falls for 16.7 days and accumulates 66mm (2.6") of precipitation.

In December, the rain falls for 16.7 days. Throughout December, 66mm (2.6") of precipitation is accumulated.

In Bommern, in December, snow falls for 4.7 days, with typically accumulated 50mm (1.97") of snow.

December has the shortest days of the year in Bommern, with an average of 7h and 54min of daylight.

In December, the average day length is 7h and 56min.

On the first day of December, sunrise is at 08:14 and sunset at 16:25. On the last day of the month, sunrise is at 08:35 and sunset at 16:32 CET.

December has the least sunshine of the year, with an average of 3.4h of sunshine.

In Bommern, the average sunshine duration in December is 3.4h.

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Bommern, Germany

  • Average high temperature in December: 5.5°C

The warmest month (with the highest average high temperature) is August (23.6°C).
The month with the lowest average high temperature is January (4.2°C).

  • Average low temperature in December: 1.6°C

The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is January (0.3°C).

Average pressure in December
Bommern, Germany

  • Average pressure in December: 1016.1mbar

The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1013mbar).

Average wind speed in December
Bommern, Germany

  • Average wind speed in December: 16.1km/h

The windiest month (with the highest average wind speed) is December (16.1km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).

Average humidity in December
Bommern, Germany

  • Average humidity in December: 87%

The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (70%).

Average rainfall in December
Bommern, Germany

  • Average rainfall in December: 66mm

The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is April (24mm).

Average rainfall days in December
Bommern, Germany

  • Average rainfall days in December: 16.7 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is September (12.4 days).

Average snowfall in December
Bommern, Germany

  • Average snowfall in December: 50mm

The month with the highest snowfall is January (59mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in December
Bommern, Germany

  • Average snowfall days in December: 4.7 days

The month with the highest number of snowfall days is January (6.8 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
Bommern, Germany

  • Average daylight in December: 7h and 54min

The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 7h and 54min).

  • Average sunshine in December: 3h and 24min

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 24min).

Average sunshine days in December
Bommern, Germany

  • Average sunshine days in December: 9.5 days

The month with the most sunshine days is April (14.7 days).
The month with the least sunshine days is December (9.5 days).

Average UV index in December
Bommern, 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
Bommern, 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 40).

Average visibility in December
Bommern, 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).