Average annual temperature is 13.7 °C
Absolute maximum temperature: 36.1 °C
Absolute minimum temperature: -9.0 °C
Number of sunny days: 94 days
Number of rainy days: 242 days
Number of snow days: 29 days
Look at detailed online map of Tomaru
* Weather data for Tomaru 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) | 12.8 | 10.9 | 21.7 | 25.2 | 31.3 | 29.3 | 33.9 | 36.1 | 36.0 | 24.1 | 24.2 | 16.2 |
| Average daytime temperature (°C) | 3.9 | 4.6 | 12.3 | 17.7 | 21.4 | 25.0 | 29.9 | 34.0 | 29.3 | 19.1 | 14.5 | 8.8 |
| Average temperature (°C) | 0.7 | 1.4 | 6.6 | 11.4 | 15.9 | 20.5 | 25.3 | 28.7 | 24.4 | 14.4 | 9.6 | 4.2 |
| Average night temperature (°C) | -1.5 | -1.0 | 2.2 | 6.5 | 11.2 | 16.7 | 21.3 | 24.4 | 21.0 | 10.6 | 5.6 | 0.3 |
| Absolute minimum temperature (°C) | -7.3 | -4.3 | -2.8 | -1.4 | 1.8 | 10.3 | 16.8 | 20.9 | 12.4 | 6.3 | -2.6 | -9.0 |
| 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 | 13.1 | 14.1 | 14.7 | 14.4 | 13.5 | 12.4 | 11.2 | 10.2 | 9.7 |
| 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) | 3.5 | 4.2 | 7.4 | 7.3 | 8.6 | 7.6 | 9.6 | 11.2 | 8.1 | 7.8 | 5.4 | 5.2 |
| Precipitation (mm) | 491 | 356 | 165 | 183 | 203 | 277 | 137 | 31 | 148 | 229 | 271 | 310 |
| Sunny days | 4 | 4 | 13 | 10 | 13 | 5 | 6 | 14 | 4 | 6 | 10 | 5 |
| Rainy days | 14 | 13 | 18 | 20 | 18 | 25 | 25 | 17 | 26 | 25 | 20 | 21 |
| Snow days | 13 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
The best time to visit Tomaru during the most sunny months:
The largest precipitation sum in Tomaru is at