Average annual temperature is 13.1 °C
Absolute maximum temperature: 32.5 °C
Absolute minimum temperature: -9.5 °C
Number of sunny days: 150 days
Number of rainy days: 212 days
Number of snow days: 3 days
Look at detailed online map of Suyama
* Weather data for Suyama 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) | 13.2 | 12.3 | 20.3 | 23.1 | 26.7 | 28.4 | 31.5 | 32.5 | 29.4 | 24.1 | 21.3 | 16.5 |
| Average daytime temperature (°C) | 5.6 | 7.6 | 13.7 | 16.3 | 20.1 | 23.4 | 28.3 | 28.3 | 26.5 | 18.7 | 14.0 | 9.0 |
| Average temperature (°C) | 1.5 | 2.9 | 8.8 | 11.5 | 15.3 | 19.2 | 23.5 | 23.8 | 22.2 | 14.0 | 9.7 | 4.7 |
| Average night temperature (°C) | -1.6 | -0.6 | 4.8 | 7.5 | 11.6 | 16.2 | 20.0 | 20.8 | 19.0 | 10.2 | 6.3 | 1.5 |
| Absolute minimum temperature (°C) | -9.5 | -6.1 | -2.1 | 1.9 | 5.9 | 12.3 | 17.7 | 18.7 | 14.1 | 5.8 | -0.6 | -5.4 |
| 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 | 14.2 | 13.4 | 12.4 | 11.3 | 10.3 | 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) | 7.6 | 7.5 | 8.6 | 8.5 | 8.7 | 6.9 | 10.7 | 10.5 | 9.4 | 8.8 | 7.6 | 7.4 |
| Precipitation (mm) | 45 | 55 | 195 | 275 | 313 | 576 | 138 | 220 | 204 | 159 | 131 | 87 |
| Sunny days | 18 | 18 | 16 | 13 | 11 | 9 | 6 | 3 | 4 | 16 | 18 | 18 |
| Rainy days | 11 | 10 | 15 | 17 | 20 | 21 | 25 | 28 | 26 | 15 | 12 | 12 |
| Snow days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Suyama during the most sunny months:
The largest precipitation sum in Suyama is at