December weather forecastOlfen, Germany

December

Weather in December

December, the first month of the winter in Olfen, is also an icy month, with temperature in the range of an average low of 1.8°C (35.2°F) and an average high of 5.4°C (41.7°F).

Temperature

In December, the average high-temperature marginally drops from a frosty 9°C (48.2°F) in November to an icy 5.4°C (41.7°F). Nights in December showcase an average temperature of 1.8°C (35.2°F), slightly cooler than the daytime.

Humidity

With an average relative humidity of 88%, December is the most humid month in Olfen.

Rainfall

December is the month with the most rainfall. Rain falls for 16.5 days and accumulates 55mm (2.17") of precipitation.

Snowfall

Months with snowfall in Olfen are January through March, November and December. In Olfen, in December, snow falls for 3.9 days, with typically accumulated 37mm (1.46") of snow. In Olfen, during the entire year, snow falls for 16.8 days and aggregates up to 127mm (5") of snow.

Daylight

With an average of 7h and 54min of daylight, December has the shortest days of the year in Olfen, Germany.
On the first day of the month, sunrise is at 08:15 and sunset at 16:24. On the last day of December, sunrise is at 08:37 and sunset at 16:30 CET.

Sunshine

With an average of 3.5h of sunshine, December has the least sunshine of the year in Olfen.

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 estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 2 in December suggests the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Always opt for UVA and UVB-resistant sunglasses on radiant days. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.

Frequently asked questions

The high-temperature, in December, in Olfen, is 5.4°C (41.7°F), while the low-temperature averages to 1.8°C (35.2°F).

December is the most humid month in Olfen, with an average relative humidity of 88%.

In December, the average relative humidity in Olfen, Germany, is 88%.

The month with the most rainfall in Olfen is December, when the rain falls for 16.5 days and typically aggregates up to 55mm (2.17") of precipitation.

In December, in Olfen, Germany, the rain falls for 16.5 days. Throughout December, 55mm (2.17") of precipitation is accumulated.

In Olfen, in December, during 3.9 snowfall days, 37mm (1.46") of snow is typically accumulated.

The month with the shortest days in Olfen is December, with an average of 7h and 54min of daylight.

The average day length in December is 7h and 53min.

On the first day of December in Olfen, Germany, sunrise is at 08:15 and sunset at 16:24. On the last day of the month, sunrise is at 08:37 and sunset at 16:30 CET.

The month with the least sunshine in Olfen, Germany, is December, with an average of 3.5h of sunshine.

In Olfen, the average sunshine duration in December is 3.5h.

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

The average daily maximum UV index in December in Olfen is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health 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
Olfen, Germany

  • Average high temperature in December: 5.4°C

The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (4.1°C).

  • Average low temperature in December: 1.8°C

The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is January (0.3°C).

Average pressure in December
Olfen, 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
Olfen, Germany

  • Average wind speed in December: 16.6km/h

The windiest month (with the highest average wind speed) is December (16.6km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).

Average humidity in December
Olfen, 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 (72%).

Average rainfall in December
Olfen, Germany

  • Average rainfall in December: 55mm

The wettest month (with the highest rainfall) is December (55mm).
The driest month (with the least rainfall) is April (23mm).

Average rainfall days in December
Olfen, Germany

  • Average rainfall days in December: 16.5 days

The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is February (12.8 days).

Average snowfall in December
Olfen, Germany

  • Average snowfall in December: 37mm

The month with the highest snowfall is January (38mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Olfen, Germany

  • Average snowfall days in December: 3.9 days

The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Olfen, 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 36min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).

Average sunshine days in December
Olfen, Germany

  • Average sunshine days in December: 10.7 days

The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is July (10.1 days).

Average UV index in December
Olfen, 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
Olfen, Germany

  • Average cloud cover in December: 66

The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 39).

Average visibility in December
Olfen, 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).