December weather forecast
Karlsruhe, Germany

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Weather in December

December sees the return of winter in full swing in Karlsruhe, with colder temperatures hovering from 1°C (33.8°F) to 5.5°C (41.9°F). With daylight hours reduced to an annual low of 8.3 hours, the city emulates a beautiful winter postcard, particularly in the week leading up to Christmas. The first snow of the season blankets the city in white and is typically accompanied by festive decorations across the city. The combination of increased snowfall, colder weather, and shorter daylight hours, creates a distinct wintertime atmosphere. With one of the highest rainfall of 44mm (1.73") in this month, December is typically a damp and cold end to the year in Karlsruhe.

Temperature

The arrival of December is marked by a minor reduction in average high-temperature, sliding from a frosty 9.4°C (48.9°F) in November to a wintry 5.5°C (41.9°F). In Karlsruhe, December nights maintain a consistent temperature, with an average low of 1°C (33.8°F).

Humidity

The average relative humidity in December in Karlsruhe is 85%.

Rainfall

In Karlsruhe, during December, the rain falls for 13.1 days and regularly aggregates up to 44mm (1.73") of precipitation. In Karlsruhe, during the entire year, the rain falls for 143.9 days and collects up to 359mm (14.13") of precipitation.

Snowfall

January through March, October through December are months with snowfall. The month with the most snowfall is December, when snow falls for 4.5 days and typically aggregates up to 44mm (1.73") of snow.

Daylight

With an average of 8h and 18min of daylight, December has the shortest days of the year in Karlsruhe.
On the first day of the month, sunrise is at 07:59 and sunset at 16:31. On the last day of December, in Karlsruhe, sunrise is at 08:20 and sunset at 16:38 CET.

Sunshine

December has the least sunshine of the year, with an average of 4.1h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Karlsruhe, Germany. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 2 during December translates into these guidelines:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
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Frequently asked questions

How cold is December in Karlsruhe?

In Karlsruhe, in December, the average high-temperature is 5.5°C (41.9°F), and the average low-temperature is 1°C (33.8°F).

What is the average humidity in December in Karlsruhe?

In Karlsruhe, the average relative humidity in December is 85%.

How many days does it rain in December in Karlsruhe?

In Karlsruhe, Germany, during December, the rain falls for 13.1 days and regularly aggregates up to 44mm (1.73") of precipitation.

What is the snowiest month in Karlsruhe?

The month with the most snowfall in Karlsruhe is December, when snow falls for 4.5 days and typically aggregates up to 44mm (1.73") of snow.

How many days does it snow in December in Karlsruhe?

In Karlsruhe, Germany, in December, during 4.5 snowfall days, 44mm (1.73") of snow is typically accumulated.

What is the month with the shortest days in Karlsruhe?

The month with the shortest days in Karlsruhe, Germany, is December, with an average of 8h and 18min of daylight.

What is the average length of the day in December in Karlsruhe?

In Karlsruhe, Germany, the average day length in December is 8h and 19min.

When are sunrise and sunset in December in Karlsruhe?

In December, on the first day of the month, sunrise is at 07:59 and sunset at 16:31. On the last day of the month, in Karlsruhe, sunrise is at 08:20 and sunset at 16:38 CET.

What is the month with the least sunshine in Karlsruhe?

The month with the least sunshine in Karlsruhe, Germany, is December, with an average of 4.1h of sunshine.

How many hours of sunshine does Karlsruhe have in December?

In Karlsruhe, Germany, the average sunshine duration in December is 4.1h.

When is the lowest UV index in Karlsruhe?

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

What is the UV index intensity in December in Karlsruhe?

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Karlsruhe, Germany

Average temperature in December - Karlsruhe, Germany
  • Average high temperature in December: 5.5°C

The warmest month (with the highest average high temperature) is August (25.8°C).
The month with the lowest average high temperature is January (4.3°C).

  • Average low temperature in December: 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).

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Average pressure in December
Karlsruhe, Germany

Average pressure in December - Karlsruhe, Germany
  • Average pressure in December: 1019.4mbar

The month with the highest atmospheric pressure is December (1019.4mbar).
The month with the lowest atmospheric pressure is November (1015.1mbar).

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Average wind speed in December
Karlsruhe, Germany

Average wind speed in December - Karlsruhe, Germany
  • Average wind speed in December: 12.1km/h

The windiest month (with the highest average wind speed) is February (12.3km/h).
The calmest month (with the lowest average wind speed) is August (8.6km/h).

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Average humidity in December
Karlsruhe, Germany

Average humidity in December - Karlsruhe, Germany
  • Average humidity in December: 85%

The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are July and August (69%).

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Average rainfall in December
Karlsruhe, Germany

Average rainfall in December - Karlsruhe, Germany
  • Average rainfall in December: 44mm

The wettest month (with the highest rainfall) is May (45mm).
The driest month (with the least rainfall) is April (17mm).

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Average rainfall days in December
Karlsruhe, Germany

Average rainfall days in December - Karlsruhe, Germany
  • Average rainfall days in December: 13.1 days

The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is September (10 days).

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Average snowfall in December
Karlsruhe, Germany

Average snowfall in December - Karlsruhe, Germany
  • Average snowfall in December: 44mm

The month with the highest snowfall is December (44mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).

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Average snowfall days in December
Karlsruhe, Germany

Average snowfall days in December - Karlsruhe, Germany
  • Average snowfall days in December: 4.5 days

The month with the highest number of snowfall days is January (6.2 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Karlsruhe, Germany

Average daylight in December / Average sunshine in December - Karlsruhe, Germany
  • Average daylight in December: 8h and 2min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in December: 4h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).

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Average sunshine days in December
Karlsruhe, Germany

Average sunshine days in December - Karlsruhe, Germany
  • Average sunshine days in December: 13 days

The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is December (13 days).

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Average UV index in December
Karlsruhe, Germany

Average UV index in December - Karlsruhe, Germany
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in December
Karlsruhe, Germany

Average cloud cover in December - Karlsruhe, Germany
  • Average cloud cover in December: 58

The months with the most cloud cover are January and December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in December
Karlsruhe, Germany

Average visibility in December - Karlsruhe, 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).

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Karlsruhe, Germany

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