Bonn
Germany
Long-term weather forecast
Long-term weather forecast
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August weather forecast and Climate
Bonn, Germany

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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
  • The average high temperature in August: 23°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).

  • The average low temperature in August: 13°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).

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  • The average rainfall in August: 78mm

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

  • The average rainfall days in August: 15 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).

  • The average daylight in August: 14h

Months with the longest days are May, June and July (Average daylight: 16h).
The month with shortest days is December (Average daylight: 8h).

  • The average sunshine in August: 6.3h

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

  • The average UV index in August: 6

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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