Average annual temperature is 11.7 °C
Absolute maximum temperature: 35.4 °C
Absolute minimum temperature: -13.9 °C
Number of sunny days: 103 days
Number of rainy days: 217 days
Number of snow days: 45 days
Look at detailed online map of Bonno
* Weather data for Bonno Japan is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 11.8 | 11.2 | 19.9 | 23.0 | 28.7 | 29.8 | 33.6 | 35.4 | 33.8 | 23.7 | 23.3 | 14.5 |
| Average daytime temperature (°C) | 1.6 | 2.1 | 12.2 | 15.6 | 19.5 | 24.4 | 28.5 | 32.0 | 26.5 | 18.5 | 12.0 | 4.5 |
| Average temperature (°C) | -2.2 | -1.7 | 5.8 | 10.0 | 14.0 | 19.5 | 24.0 | 26.9 | 21.8 | 13.1 | 7.9 | 0.6 |
| Average night temperature (°C) | -5.3 | -5.6 | 1.0 | 5.9 | 9.7 | 15.9 | 20.6 | 23.4 | 18.4 | 9.2 | 4.7 | -3.0 |
| Absolute minimum temperature (°C) | -13.9 | -11.9 | -4.5 | -0.4 | 2.1 | 9.5 | 16.0 | 20.9 | 9.8 | 3.5 | -6.7 | -12.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.4 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.3 | 6.5 | 8.5 | 9.0 | 8.9 | 8.2 | 9.6 | 10.5 | 7.6 | 8.4 | 5.9 | 5.3 |
| Precipitation (mm) | 48 | 57 | 82 | 86 | 102 | 134 | 143 | 64 | 171 | 76 | 110 | 90 |
| Sunny days | 5 | 5 | 19 | 11 | 9 | 6 | 9 | 9 | 4 | 10 | 8 | 8 |
| Rainy days | 7 | 10 | 11 | 19 | 22 | 24 | 22 | 22 | 26 | 21 | 20 | 13 |
| Snow days | 19 | 13 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 10 |
The best time to visit Bonno during the most sunny months:
The largest precipitation sum in Bonno is at