Bonn weather by month
Bonn has mild summers, cool winters and moderate rain. The most pleasant months are June and August.
Month by month
Average daytime high, night low, rain or snow, how the air feels and how strong the sun is, 1991–2020. Best months are highlighted.
| Month | High | Low | Rain | Air | Sun |
|---|---|---|---|---|---|
| January | 43°F 6°C | 34°F 1°C | 2.2 in 55 mm | Dry | Weak sun |
| February | 46°F 8°C | 33°F 1°C | 1.9 in 48 mm | Dry | Weak sun |
| March | 53°F 12°C | 37°F 3°C | 2.0 in 50 mm | Dry | Moderate sun |
| April | 61°F 16°C | 42°F 6°C | 1.7 in 42 mm | Dry | Sunny |
| May | 69°F 20°C | 49°F 9°C | 2.4 in 62 mm | Comfortable | Sunny |
| June | 75°F 24°C | 54°F 12°C | 2.8 in 70 mm | Comfortable | Sunny |
| July | 78°F 26°C | 58°F 14°C | 3.3 in 83 mm | A little humid | Sunny |
| August | 77°F 25°C | 57°F 14°C | 2.9 in 74 mm | A little humid | Sunny |
| September | 69°F 21°C | 51°F 11°C | 2.3 in 58 mm | Comfortable | Moderate sun |
| October | 60°F 16°C | 45°F 7°C | 2.3 in 59 mm | Comfortable | Weak sun |
| November | 51°F 10°C | 40°F 4°C | 2.2 in 57 mm | Dry | Weak sun |
| December | 45°F 7°C | 35°F 2°C | 2.5 in 64 mm | Dry | Weak sun |
Cities with a climate like Bonn
Whole-year match out of 100, one city per country, seasons lined up across the equator.