Bonn weather by month

Check out Bonn weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Bonn (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
4°C maximum daytime temperature in January in Bonn4
6°C maximum daytime temperature in February in Bonn6
10°C maximum daytime temperature in March in Bonn10
14°C maximum daytime temperature in April in Bonn14
19°C maximum daytime temperature in May in Bonn19
22°C maximum daytime temperature in June in Bonn22
23°C maximum daytime temperature in July in Bonn23
23°C maximum daytime temperature in August in Bonn23
20°C maximum daytime temperature in September in Bonn20
15°C maximum daytime temperature in October in Bonn15
8°C maximum daytime temperature in November in Bonn8
5°C maximum daytime temperature in December in Bonn5
Min temperature (night-time)
-1°C minimum night-time temperature in January in Bonn-1
0°C minimum night-time temperature in February in Bonn0
2°C minimum night-time temperature in March in Bonn2
5°C minimum night-time temperature in April in Bonn5
9°C minimum night-time temperature in May in Bonn9
12°C minimum night-time temperature in June in Bonn12
13°C minimum night-time temperature in July in Bonn13
13°C minimum night-time temperature in August in Bonn13
11°C minimum night-time temperature in September in Bonn11
7°C minimum night-time temperature in October in Bonn7
3°C minimum night-time temperature in November in Bonn3
0°C minimum night-time temperature in December in Bonn0
Heat & Humidity
No heat & humidity in January in Bonn0
No heat & humidity in February in Bonn0
No heat & humidity in March in Bonn0
No heat & humidity in April in Bonn0
No heat & humidity in May in Bonn0
No heat & humidity in June in Bonn0
No heat & humidity in July in Bonn0
No heat & humidity in August in Bonn0
No heat & humidity in September in Bonn0
No heat & humidity in October in Bonn0
No heat & humidity in November in Bonn0
No heat & humidity in December in Bonn0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Bonn

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
9 hours of daylight per day in January in Bonn9
10 hours of daylight per day in February in Bonn10
12 hours of daylight per day in March in Bonn12
14 hours of daylight per day in April in Bonn14
16 hours of daylight per day in May in Bonn16
16 hours of daylight per day in June in Bonn16
16 hours of daylight per day in July in Bonn16
14 hours of daylight per day in August in Bonn14
13 hours of daylight per day in September in Bonn13
11 hours of daylight per day in October in Bonn11
9 hours of daylight per day in November in Bonn9
8 hours of daylight per day in December in Bonn8
UV Index (Maximum)
UV (maximum) index 1 (Low) in January in Bonn1
UV (maximum) index 1 (Low) in February in Bonn1
UV (maximum) index 3 (Moderate) in March in Bonn3
UV (maximum) index 4 (Moderate) in April in Bonn4
UV (maximum) index 6 (High) in May in Bonn6
UV (maximum) index 7 (High) in June in Bonn7
UV (maximum) index 6 (High) in July in Bonn6
UV (maximum) index 6 (High) in August in Bonn6
UV (maximum) index 4 (Moderate) in September in Bonn4
UV (maximum) index 2 (Low) in October in Bonn2
UV (maximum) index 1 (Low) in November in Bonn1
UV (maximum) index 1 (Low) in December in Bonn1

Rainfall in Bonn

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
17 days with some rainfall in January in Bonn17
14 days with some rainfall in February in Bonn14
16 days with some rainfall in March in Bonn16
15 days with some rainfall in April in Bonn15
16 days with some rainfall in May in Bonn16
16 days with some rainfall in June in Bonn16
15 days with some rainfall in July in Bonn15
15 days with some rainfall in August in Bonn15
14 days with some rainfall in September in Bonn14
14 days with some rainfall in October in Bonn14
17 days with some rainfall in November in Bonn17
17 days with some rainfall in December in Bonn17
Average monthly rainfall (mm)
59 mm monthly rainfall in January in Bonn59
49 mm monthly rainfall in February in Bonn49
55 mm monthly rainfall in March in Bonn55
56 mm monthly rainfall in April in Bonn56
65 mm monthly rainfall in May in Bonn65
80 mm monthly rainfall in June in Bonn80
79 mm monthly rainfall in July in Bonn79
78 mm monthly rainfall in August in Bonn78
64 mm monthly rainfall in September in Bonn64
52 mm monthly rainfall in October in Bonn52
69 mm monthly rainfall in November in Bonn69
69 mm monthly rainfall in December in Bonn69

More about Bonn

Bonn by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Germany (Bonn) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Bonn?

Bonn has a temperate climate with warm summers and some rainfall in all months.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Germany

Compare Bonn with the UK

Below the Bonn chart shows average maximum daytime temperature for Bonn, Germany and the UK (London).

Maximum daytime temperature (°C)

Bonn, Germany
UK (London)
4
7
6
7
10
10
14
13
19
17
22
20
23
22
23
22
20
19
15
15
8
10
5
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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