Average annual temperature is 15.8 °C
Absolute maximum temperature: 37.8 °C
Absolute minimum temperature: -7.7 °C
Number of sunny days: 134 days
Number of rainy days: 227 days
Number of snow days: 4 days
Look at detailed online map of Suibun
* Weather data for Suibun 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) | 18.1 | 16.5 | 23.3 | 24.4 | 27.7 | 30.4 | 35.3 | 37.8 | 33.3 | 25.8 | 26.1 | 21.9 |
| Average daytime temperature (°C) | 8.4 | 9.5 | 16.2 | 19.5 | 23.1 | 26.2 | 31.8 | 33.1 | 30.4 | 21.6 | 16.8 | 11.9 |
| Average temperature (°C) | 4.0 | 4.9 | 10.5 | 14.0 | 18.0 | 21.9 | 27.0 | 28.1 | 25.4 | 16.3 | 11.6 | 7.2 |
| Average night temperature (°C) | 0.0 | 0.7 | 4.9 | 8.8 | 13.0 | 17.8 | 22.6 | 24.1 | 21.5 | 11.7 | 7.1 | 2.8 |
| Absolute minimum temperature (°C) | -7.7 | -4.1 | -1.7 | 3.8 | 7.4 | 11.1 | 18.6 | 21.9 | 17.7 | 6.6 | 0.8 | -1.5 |
| 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 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.0 | 6.5 | 8.5 | 8.2 | 9.1 | 7.1 | 10.6 | 9.9 | 10.0 | 8.6 | 7.1 | 7.1 |
| Precipitation (mm) | 68 | 50 | 111 | 192 | 230 | 419 | 99 | 194 | 136 | 73 | 114 | 56 |
| Sunny days | 9 | 13 | 17 | 12 | 13 | 8 | 8 | 5 | 7 | 12 | 16 | 14 |
| Rainy days | 19 | 15 | 14 | 18 | 18 | 22 | 23 | 26 | 23 | 19 | 14 | 16 |
| Snow days | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Suibun during the most sunny months:
The largest precipitation sum in Suibun is at