Average annual temperature is 14.5 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: -7.2 °C
Number of sunny days: 77 days
Number of rainy days: 265 days
Number of snow days: 23 days
Look at detailed online map of Tomari
* Weather data for Tomari 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) | 14.6 | 12.1 | 23.1 | 22.0 | 28.0 | 29.5 | 31.8 | 36.7 | 34.2 | 23.8 | 26.6 | 16.4 |
| Average daytime temperature (°C) | 4.6 | 4.7 | 12.1 | 15.4 | 19.7 | 24.3 | 28.2 | 33.2 | 27.8 | 19.4 | 14.8 | 8.5 |
| Average temperature (°C) | 2.3 | 2.7 | 7.7 | 11.3 | 15.4 | 20.8 | 25.0 | 29.2 | 24.3 | 16.5 | 11.9 | 6.1 |
| Average night temperature (°C) | 0.2 | 0.6 | 3.7 | 7.6 | 11.5 | 17.7 | 22.2 | 25.4 | 21.4 | 13.8 | 9.2 | 3.8 |
| Absolute minimum temperature (°C) | -7.2 | -5.0 | -3.2 | 1.0 | 4.4 | 13.7 | 17.0 | 23.3 | 14.9 | 9.9 | 2.5 | -1.3 |
| 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 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.6 | 13.6 | 12.4 | 11.2 | 10.1 | 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) | 4.4 | 5.2 | 8.2 | 8.1 | 8.7 | 8.6 | 9.4 | 11.7 | 7.9 | 7.9 | 5.4 | 3.8 |
| Precipitation (mm) | 188 | 95 | 126 | 136 | 181 | 169 | 258 | 37 | 279 | 227 | 300 | 246 |
| Sunny days | 1 | 3 | 13 | 11 | 9 | 6 | 8 | 11 | 2 | 4 | 6 | 3 |
| Rainy days | 21 | 14 | 18 | 19 | 22 | 24 | 23 | 20 | 28 | 27 | 24 | 25 |
| Snow days | 9 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The best time to visit Tomari during the most sunny months:
The largest precipitation sum in Tomari is at