December weather forecastGeyen, Germany

December

Weather in December

December, the first month of the winter in Geyen, is also a frosty month, with an average temperature varying between 2.1°C (35.8°F) and 6.1°C (43°F).

Temperature

The move into December indicates a slight reduction in the average high-temperature, down from November's chilly 9.7°C (49.5°F) to a still frosty 6.1°C (43°F). A modest nighttime temperature average of 2.1°C (35.8°F) characterizes December in Geyen.

Humidity

January and December, with an average relative humidity of 86%, are the most humid months.

Rainfall

In December, the rain falls for 6.8 days. Throughout December, 11mm (0.43") of precipitation is accumulated. Throughout the year, there are 82.6 rainfall days, and 110mm (4.33") of precipitation is accumulated.

Snowfall

January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 2.3 snowfall days, it receives 4mm (0.16") of snow. In Geyen, during the entire year, snow falls for 9.6 days and aggregates up to 21mm (0.83") of snow.

Daylight

December has the shortest days of the year in Geyen, with an average of 8h and 0min of daylight.
On the first day of the month, sunrise is at 08:14 and sunset at 16:29. On the last day of December, sunrise is at 08:35 and sunset at 16:36 CET.

Sunshine

December has the least sunshine of the year, with an average of 3.8h of sunshine.

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 minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.

Frequently asked questions

An average high-temperature, in December, in Geyen, is 6.1°C (43°F) and the average low-temperature is 2.1°C (35.8°F).

January and December, with an average relative humidity of 86%, are most humid months.

In Geyen, the average relative humidity in December is 86%.

In December, the rain falls for 6.8 days. Throughout December, 11mm (0.43") of precipitation is accumulated.

December is the first month it typically snows. Throughout December, in the average 2.3 snowfall days, it receives 4mm (0.16") of snow.

The month with the shortest days is December, with an average of 8h and 0min of daylight.

In Geyen, the average day length in December is 8h and 1min.

On the first day of December, sunrise is at 08:14 and sunset at 16:29. On the last day of the month, sunrise is at 08:35 and sunset at 16:36 CET.

December has the least sunshine of the year, with an average of 3.8h of sunshine.

In Geyen, the average sunshine duration in December is 3.8h.

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

In Geyen, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health threat from unsafe exposure to Sun's UV rays.
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
Geyen, Germany

  • Average high temperature in December: 6.1°C

The warmest month (with the highest average high temperature) is August (23.9°C).
The month with the lowest average high temperature is January (4.7°C).

  • Average low temperature in December: 2.1°C

The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (0.6°C).

Average pressure in December
Geyen, Germany

  • Average pressure in December: 1016.7mbar

The month with the highest atmospheric pressure is September (1017.7mbar).
The month with the lowest atmospheric pressure is November (1013.3mbar).

Average wind speed in December
Geyen, Germany

  • Average wind speed in December: 14.6km/h

The windiest month (with the highest average wind speed) is February (14.8km/h).
The calmest months (with the lowest average wind speed) are August and September (10.2km/h).

Average humidity in December
Geyen, Germany

  • Average humidity in December: 86%

The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (71%).

Average rainfall in December
Geyen, Germany

  • Average rainfall in December: 11mm

The wettest month (with the highest rainfall) is August (12mm).
The driest months (with the least rainfall) are April and September (5mm).

Average rainfall days in December
Geyen, Germany

  • Average rainfall days in December: 6.8 days

The month with the highest number of rainy days is June (8.4 days).
The month with the least rainy days is September (5.5 days).

Average snowfall in December
Geyen, Germany

  • Average snowfall in December: 4mm

The month with the highest snowfall is February (9mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in December
Geyen, Germany

  • Average snowfall days in December: 2.3 days

The month with the highest number of snowfall days is February (2.8 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
Geyen, Germany

  • Average daylight in December: 8h and 0min

The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).

  • Average sunshine in December: 3h and 48min

The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).

Average sunshine days in December
Geyen, Germany

  • Average sunshine days in December: 21.3 days

The month with the most sunshine days is April (22.5 days).
The month with the least sunshine days is June (18.7 days).

Average UV index in December
Geyen, 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
Geyen, Germany

  • Average cloud cover in December: 61

The month with the most cloud cover is December (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in December
Geyen, Germany

  • Average visibility in December: 9km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).