Average annual temperature is 12.8 °C
Absolute maximum temperature: 35.6 °C
Absolute minimum temperature: -8.9 °C
Number of sunny days: 133 days
Number of rainy days: 209 days
Number of snow days: 23 days
Look at detailed online map of Tomizawa
* Weather data for Tomizawa 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) | 12.3 | 12.7 | 19.0 | 23.1 | 29.4 | 28.1 | 34.2 | 35.6 | 32.5 | 24.0 | 22.4 | 15.0 |
| Average daytime temperature (°C) | 4.0 | 5.3 | 12.7 | 16.3 | 19.9 | 24.0 | 29.2 | 31.8 | 27.0 | 18.3 | 13.3 | 7.9 |
| Average temperature (°C) | 0.0 | 0.9 | 7.1 | 10.8 | 14.4 | 19.4 | 24.5 | 26.4 | 22.7 | 13.6 | 9.0 | 3.6 |
| Average night temperature (°C) | -2.9 | -2.2 | 2.9 | 6.5 | 10.1 | 16.2 | 20.7 | 22.7 | 19.7 | 9.9 | 5.9 | 0.6 |
| Absolute minimum temperature (°C) | -8.5 | -8.9 | -3.6 | 0.4 | 2.9 | 12.0 | 17.4 | 21.2 | 12.7 | 4.9 | -1.2 | -6.1 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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) | 6.7 | 7.6 | 8.1 | 8.8 | 8.6 | 7.7 | 10.0 | 11.3 | 7.9 | 8.8 | 7.1 | 7.2 |
| Precipitation (mm) | 31 | 61 | 83 | 69 | 135 | 247 | 97 | 82 | 211 | 74 | 95 | 40 |
| Sunny days | 8 | 13 | 16 | 17 | 14 | 6 | 4 | 5 | 5 | 15 | 14 | 16 |
| Rainy days | 9 | 11 | 15 | 12 | 17 | 24 | 27 | 26 | 25 | 16 | 16 | 11 |
| Snow days | 14 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
The best time to visit Tomizawa during the most sunny months:
The largest precipitation sum in Tomizawa is at