December weather forecast and climate
Bonn, Germany

Beautiful view of a stand-alone ancient castle in Bonn, Germany, with an urban setting down below
Beautiful view of a stand-alone ancient castle in Bonn, Germany, with an urban setting down below

Temperature

The average high-temperature, is 5°C (41°F), while the average low-temperature is 0°C (32°F).

Rainfall

In Bonn, during December, the rain falls for 17 days and regularly aggregates up to 68mm (2.7") of precipitation. Throughout the year, there are 186 rainfall days, and 816mm (32.1") of precipitation is accumulated.

Daylight

December has the shortest days of the year, with an average of 8.1h of daylight.

Sunshine

With an average of 1.3h of sunshine, December has the least sunshine of the year.

UV index

January, February, November and December, with an average UV index of 1, are months with the lowest UV index.

What is the temperature in December in Bonn?

In Bonn, in December, the average high-temperature is 5°C (41°F), and the average low-temperature is 0°C (32°F).

How much does it rain in Bonn in December?

In Bonn, Germany, in December, during 17 rainfall days, 68mm (2.7") of precipitation is typically accumulated.

What is the month with the shortest days in Bonn?

With an average of 8.1h of daylight, December has the shortest days of the year.

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

In Bonn, the average length of the day in December is 8.1h.

What is the month with the least sunshine in Bonn?

The month with the least sunshine in Bonn is December, with an average of 1.3h of sunshine.

How long on average sun shines in December in Bonn?

In December, the average sunshine is 1.3h.

What are the months with the lowest UV index in Bonn?

January, February, November and December, with an average UV index of 1, are months with the lowest UV index in Bonn.

How high is the UV index in December in Bonn?

In December, the average UV index in Bonn is 1.
Average temperature in December - Bonn, Germany
  • Average high temperature in December: 5°C

Warmest months (with the highest average high temperature) are July and August (23°C).
The month with the lowest average high temperature is January (4°C).

  • Average low temperature in December: 0°C

Months with the highest average low temperature are July and August (13°C).
The coldest month (with the lowest average low temperature) is January (-1°C).

Average rainfall in December - Bonn, Germany
  • Average rainfall in December: 68mm

The wettest month (with the highest rainfall) is June (86mm).
Driest months (with the lowest rainfall) are February and April (54mm).

Average rainfall days in December - Bonn, Germany
  • Average rainfall days in December: 17 days

Months with the highest number of rainy days are January, November and December (17 days).
Months with the lowest number of rainy days are February, September and October (14 days).

Average daylight in December / Average sunshine in December - Bonn, Germany
  • Average daylight in December: 8.1h

The month with the longest days is June (Average daylight: 16.4h).
The month with shortest days is December (Average daylight: 8.1h).

  • Average sunshine in December: 1.3h

The month with most sunshine is July (Average sunshine: 6.7h).
The month with least sunshine is December (Average sunshine: 1.3h).

Average UV index in December - Bonn, Germany
  • Average UV index in December: 1

The month with the highest UV index is June (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 1).

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