Average annual temperature is 10.3 °C
Absolute maximum temperature: 32.2 °C
Absolute minimum temperature: -17.0 °C
Number of sunny days: 102 days
Number of rainy days: 214 days
Number of snow days: 49 days
Look at detailed online map of Sumita Chō
* Weather data for Sumita Chō 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) | 10.0 | 8.1 | 17.7 | 19.4 | 26.7 | 26.6 | 31.0 | 32.2 | 29.9 | 21.7 | 19.9 | 12.8 |
| Average daytime temperature (°C) | 0.2 | 0.8 | 10.0 | 13.7 | 17.2 | 21.5 | 26.0 | 28.6 | 24.4 | 16.3 | 10.6 | 4.1 |
| Average temperature (°C) | -3.4 | -3.0 | 4.4 | 8.4 | 12.3 | 17.5 | 21.9 | 24.5 | 20.4 | 11.9 | 6.8 | 0.8 |
| Average night temperature (°C) | -6.9 | -7.1 | -0.3 | 4.2 | 8.2 | 14.5 | 18.8 | 22.0 | 17.7 | 8.5 | 3.8 | -1.8 |
| Absolute minimum temperature (°C) | -14.9 | -17.0 | -11.9 | -1.1 | 1.3 | 9.9 | 14.5 | 19.5 | 10.7 | 1.9 | -5.0 | -6.5 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.4 | 11.2 | 10.0 | 9.5 |
| 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) | 6.0 | 7.2 | 8.5 | 8.8 | 8.6 | 7.8 | 9.1 | 10.1 | 6.7 | 8.3 | 5.8 | 4.6 |
| Precipitation (mm) | 38 | 57 | 90 | 106 | 128 | 171 | 153 | 102 | 168 | 67 | 114 | 79 |
| Sunny days | 7 | 10 | 18 | 14 | 12 | 1 | 7 | 1 | 5 | 12 | 8 | 7 |
| Rainy days | 5 | 2 | 12 | 16 | 19 | 29 | 24 | 30 | 25 | 19 | 18 | 15 |
| Snow days | 19 | 16 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 9 |
The best time to visit Sumita Chō during the most sunny months:
The largest precipitation sum in Sumita Chō is at