Average annual temperature is 11.1 °C
Absolute maximum temperature: 31.0 °C
Absolute minimum temperature: -18.6 °C
Number of sunny days: 164 days
Number of rainy days: 176 days
Number of snow days: 25 days
Look at detailed online map of Suwa Shi
* Weather data for Suwa Shi 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) | 12.5 | 10.4 | 18.8 | 22.9 | 26.1 | 27.3 | 30.4 | 31.0 | 30.1 | 21.8 | 20.2 | 14.4 |
| Average daytime temperature (°C) | 4.1 | 5.2 | 11.9 | 15.0 | 18.6 | 22.1 | 26.9 | 28.3 | 25.9 | 16.4 | 12.2 | 7.6 |
| Average temperature (°C) | -1.5 | -0.2 | 6.0 | 9.3 | 13.3 | 17.7 | 22.2 | 23.2 | 20.9 | 11.2 | 7.3 | 2.6 |
| Average night temperature (°C) | -5.3 | -4.4 | 1.2 | 4.2 | 8.5 | 13.9 | 18.2 | 19.1 | 17.2 | 7.3 | 3.7 | -0.6 |
| Absolute minimum temperature (°C) | -18.6 | -10.6 | -9.0 | -2.2 | 0.4 | 7.9 | 15.1 | 17.1 | 10.4 | 2.6 | -3.4 | -5.8 |
| 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) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 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) | 7.5 | 7.6 | 8.8 | 9.0 | 9.2 | 8.2 | 10.1 | 11.5 | 9.2 | 8.8 | 7.7 | 7.3 |
| Precipitation (mm) | 27 | 64 | 110 | 144 | 209 | 328 | 78 | 68 | 101 | 65 | 73 | 77 |
| Sunny days | 18 | 13 | 16 | 14 | 19 | 8 | 7 | 7 | 8 | 20 | 15 | 19 |
| Rainy days | 4 | 7 | 15 | 16 | 12 | 22 | 24 | 24 | 22 | 11 | 11 | 8 |
| Snow days | 9 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 4 |
The best time to visit Suwa Shi during the most sunny months:
The largest precipitation sum in Suwa Shi is at