Average annual temperature is 12.3 °C
Absolute maximum temperature: 34.6 °C
Absolute minimum temperature: -4.1 °C
Number of sunny days: 112 days
Number of rainy days: 248 days
Number of snow days: 5 days
Look at detailed online map of Bad Honnef
* Weather data for Bad Honnef Germany is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 14.4 | 14.7 | 17.6 | 20.6 | 24.5 | 31.1 | 34.6 | 31.1 | 31.3 | 27.2 | 15.4 | 12.1 |
| Average daytime temperature (°C) | 7.2 | 8.7 | 10.9 | 13.3 | 19.0 | 25.7 | 24.4 | 23.4 | 24.3 | 18.0 | 10.1 | 8.2 |
| Average temperature (°C) | 5.1 | 5.3 | 7.3 | 8.9 | 14.0 | 20.5 | 19.7 | 18.9 | 19.0 | 14.1 | 7.7 | 6.2 |
| Average night temperature (°C) | 2.9 | 2.4 | 3.9 | 4.7 | 8.7 | 14.7 | 15.3 | 15.0 | 14.4 | 10.7 | 5.3 | 4.0 |
| Absolute minimum temperature (°C) | -4.1 | -3.6 | -3.7 | -2.1 | 3.1 | 9.8 | 11.1 | 11.1 | 8.5 | 2.7 | -2.2 | -3.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.6 | 10.0 | 11.9 | 13.8 | 15.5 | 16.4 | 16.0 | 14.5 | 12.6 | 10.7 | 9.0 | 8.1 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 7.0 |
| Sunshine mean duration (h) | 2.7 | 4.8 | 5.2 | 8.0 | 10.9 | 13.3 | 10.8 | 9.8 | 9.7 | 6.1 | 3.4 | 2.3 |
| Precipitation (mm) | 105 | 35 | 124 | 102 | 73 | 56 | 118 | 121 | 49 | 102 | 164 | 114 |
| Sunny days | 7 | 13 | 3 | 8 | 11 | 20 | 7 | 5 | 18 | 11 | 3 | 6 |
| Rainy days | 22 | 14 | 27 | 22 | 20 | 10 | 24 | 26 | 12 | 20 | 27 | 24 |
| Snow days | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Bad Honnef during the most sunny months:
Months with the longest average daylight duration in Bad Honnef:
The largest precipitation sum in Bad Honnef is at