Average annual temperature is 16.7 °C
Absolute maximum temperature: 33.3 °C
Absolute minimum temperature: -4.3 °C
Number of sunny days: 184 days
Number of rainy days: 180 days
Number of snow days: 1 day
Look at detailed online map of Suwachō
* Weather data for Suwachō 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) | 15.3 | 17.7 | 23.1 | 23.6 | 25.8 | 29.4 | 32.7 | 33.3 | 33.0 | 30.1 | 25.2 | 22.3 |
| Average daytime temperature (°C) | 9.7 | 11.5 | 16.1 | 19.2 | 21.0 | 24.7 | 29.2 | 30.8 | 29.0 | 22.5 | 18.6 | 14.0 |
| Average temperature (°C) | 5.2 | 7.1 | 12.2 | 15.6 | 17.7 | 22.0 | 26.3 | 27.5 | 25.8 | 17.9 | 13.8 | 8.8 |
| Average night temperature (°C) | 1.4 | 3.3 | 8.5 | 12.1 | 14.3 | 19.5 | 23.5 | 24.8 | 22.9 | 13.7 | 9.7 | 4.5 |
| Absolute minimum temperature (°C) | -4.3 | -1.5 | 2.5 | 5.9 | 9.0 | 15.9 | 20.7 | 22.8 | 18.9 | 9.2 | 3.2 | -2.3 |
| 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 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.9 | 7.1 | 7.8 | 8.9 | 8.6 | 7.3 | 10.3 | 11.1 | 9.4 | 8.7 | 7.6 | 7.7 |
| Precipitation (mm) | 26 | 70 | 143 | 138 | 172 | 329 | 54 | 278 | 169 | 132 | 73 | 42 |
| Sunny days | 14 | 16 | 14 | 13 | 16 | 10 | 19 | 11 | 10 | 19 | 19 | 23 |
| Rainy days | 17 | 11 | 17 | 17 | 15 | 20 | 12 | 20 | 20 | 12 | 11 | 8 |
| Snow days | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Suwachō during the most sunny months:
The largest precipitation sum in Suwachō is at