January 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

What is the coldest month in Bonn?

With an average high-temperature of 4°C (39.2°F) and an average low-temperature of -1°C (30.2°F), January is the coldest month in Bonn.

What is the temperature in January in Bonn?

The average high-temperature, in January, in Bonn, is 4°C (39.2°F), while the average low-temperature is -1°C (30.2°F).

How much does it rain in Bonn in January?

In Bonn, Germany, in January, it is raining for 17 days, with typically 61mm (2.4") of accumulated precipitation.
Average temperature in January - Bonn, Germany
  • Average high temperature in January: 4°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 January: -1°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 January - Bonn, Germany
  • Average rainfall in January: 61mm

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 January - Bonn, Germany
  • Average rainfall days in January: 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 January / Average sunshine in January - Bonn, Germany
  • Average daylight in January: 8.6h

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 January: 1.6h

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 January - Bonn, Germany
  • Average UV index in January: 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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