December weather forecast
Gummersbach, Germany

December

Weather in December

December, the first month of the winter in Gummersbach, is also an icy month, with an average temperature varying between 0.2°C (32.4°F) and 4.3°C (39.7°F).

Temperature

A moderate decline in average high-temperatures is noted in December, moving from a frosty 7.6°C (45.7°F) in November to a wintry 4.3°C (39.7°F). December introduces a small decrease to a nighttime average of 0.2°C (32.4°F) in Gummersbach, Germany.

Humidity

December is the most humid month, with an average relative humidity of 92%.

Rainfall

December is the month with the most rainfall. Rain falls for 17.1 days and accumulates 92mm (3.62") of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In December, in Gummersbach, it is snowing for 9.1 days. Throughout December, 127mm (5") of snow is accumulated. In Gummersbach, during the entire year, snow falls for 40.1 days and aggregates up to 488mm (19.21") of snow.

Daylight

December has the shortest days of the year, with an average of 8h and 0min of daylight.
On the first day of December, sunrise is at 08:11 and sunset at 16:26. On the last day of the month, sunrise is at 08:32 and sunset at 16:32 CET.

Sunshine

The month with the least sunshine is December, with an average of 2.7h of sunshine.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: A maximum high UV index of 2 in December translates into the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take note! UV radiation from the Sun can double in intensity due to snow reflection.

Frequently asked questions

How cold is December in Gummersbach?
An average high-temperature, in December, in Gummersbach, is 4.3°C (39.7°F) and the average low-temperature is 0.2°C (32.4°F).
What is the most humid month in Gummersbach?
December is the most humid month, with an average relative humidity of 92%.
What is the average humidity in December in Gummersbach?
In Gummersbach, the average relative humidity in December is 92%.
What is the rainiest month in Gummersbach?
December is the month with the most rainfall in Gummersbach, Germany. Rain falls for 17.1 days and accumulates 92mm (3.62") of precipitation.
How many days does it rain in December in Gummersbach?
In Gummersbach, Germany, during December, the rain falls for 17.1 days and regularly aggregates up to 92mm (3.62") of precipitation.
How many days does it snow in December in Gummersbach?
In Gummersbach, Germany, in December, snow falls for 9.1 days, with typically accumulated 127mm (5") of snow.
What is the month with the shortest days in Gummersbach?
With an average of 8h and 0min of daylight, December has the shortest days of the year in Gummersbach.
What is the average length of the day in December in Gummersbach?
The average day length in December is 8h and 1min.
What time are sunrise and sunset in December in Gummersbach?
On the first day of December in Gummersbach, sunrise is at 08:11 and sunset at 16:26. On the last day of the month, sunrise is at 08:32 and sunset at 16:32 CET.
What is the month with the least sunshine in Gummersbach?
December has the least sunshine of the year in Gummersbach, with an average of 2.7h of sunshine.
How many hours of sunshine does Gummersbach have in December?
The average sunshine duration in December in Gummersbach is 2.7h.
When is the lowest UV index in Gummersbach?
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
What is the UV index reading in December in Gummersbach?
The average daily maximum UV index in December in Gummersbach 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 - Gummersbach, Germany
Average temperature in December
Gummersbach, Germany
  • Average high temperature in December: 4.3°C

The warmest month (with the highest average high temperature) is July (22.5°C).
The month with the lowest average high temperature is January (3°C).

  • Average low temperature in December: 0.2°C

The month with the highest average low temperature is August (12.1°C).
The coldest months (with the lowest average low temperature) are January and February (-1.2°C).

Average pressure in December - Gummersbach, Germany
Average pressure in December
Gummersbach, Germany
  • Average pressure in December: 1016.8mbar

The month with the highest atmospheric pressure is September (1017.7mbar).
The month with the lowest atmospheric pressure is November (1013.6mbar).

Average wind speed in December - Gummersbach, Germany
Average wind speed in December
Gummersbach, Germany
  • Average wind speed in December: 12.8km/h

The windiest month (with the highest average wind speed) is February (13.3km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).

Average humidity in December - Gummersbach, Germany
Average humidity in December
Gummersbach, Germany
  • Average humidity in December: 92%

The month with the highest relative humidity is December (92%).
The month with the lowest relative humidity is April (77%).

Average rainfall in December - Gummersbach, Germany
Average rainfall in December
Gummersbach, Germany
  • Average rainfall in December: 92mm

The wettest month (with the highest rainfall) is December (92mm).
The driest month (with the least rainfall) is September (31mm).

Average rainfall days in December - Gummersbach, Germany
Average rainfall days in December
Gummersbach, Germany
  • Average rainfall days in December: 17.1 days

The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is February (12.5 days).

Average snowfall in December - Gummersbach, Germany
Average snowfall in December
Gummersbach, Germany
  • Average snowfall in December: 127mm

The month with the highest snowfall is January (149mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in December - Gummersbach, Germany
Average snowfall days in December
Gummersbach, Germany
  • Average snowfall days in December: 9.1 days

The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Gummersbach, Germany
Average daylight in December /
Average sunshine in December
Gummersbach, 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: 2h and 4min

The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 42min).

Average sunshine days in December - Gummersbach, Germany
Average sunshine days in December
Gummersbach, Germany
  • Average sunshine days in December: 7 days

The months with the most sunshine days are September and October (15.3 days).
The month with the least sunshine days is December (7 days).

Average UV index in December - Gummersbach, Germany
Average UV index in December
Gummersbach, 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, March, November and December (UV index 2).

Average cloud cover in December - Gummersbach, Germany
Average cloud cover in December
Gummersbach, Germany
  • Average cloud cover in December: 75

The month with the most cloud cover is December (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 43).

Average visibility in December - Gummersbach, Germany
Average visibility in December
Gummersbach, Germany
  • Average visibility in December: 7km

The month with the highest visibility is April (9km).
The months with the lowest visibility are January, February, September, October, November and December (7km).

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