Average annual temperature is 17.0 °C
Absolute maximum temperature: 34.1 °C
Absolute minimum temperature: -3.7 °C
Number of sunny days: 111 days
Number of rainy days: 249 days
Number of snow days: 5 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) | 16.0 | 16.2 | 22.1 | 23.5 | 26.6 | 32.5 | 31.7 | 34.1 | 29.6 | 25.1 | 23.5 | 21.0 |
| Average daytime temperature (°C) | 8.1 | 9.0 | 14.4 | 17.1 | 21.3 | 25.4 | 28.2 | 30.5 | 27.2 | 21.0 | 17.0 | 12.3 |
| Average temperature (°C) | 5.5 | 6.2 | 10.9 | 13.9 | 18.0 | 22.4 | 26.6 | 28.9 | 25.8 | 19.4 | 15.0 | 10.3 |
| Average night temperature (°C) | 3.2 | 3.6 | 7.5 | 10.8 | 14.9 | 19.8 | 25.3 | 27.5 | 24.7 | 17.7 | 12.8 | 8.5 |
| Absolute minimum temperature (°C) | -3.7 | -1.0 | 1.7 | 5.6 | 9.9 | 15.4 | 22.1 | 25.8 | 21.5 | 13.3 | 5.6 | 2.0 |
| 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 | 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 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.1 | 6.1 | 8.1 | 7.7 | 9.3 | 7.9 | 9.1 | 10.2 | 8.1 | 8.8 | 6.9 | 6.0 |
| Precipitation (mm) | 174 | 95 | 118 | 228 | 257 | 190 | 154 | 248 | 135 | 109 | 192 | 240 |
| Sunny days | 4 | 5 | 17 | 13 | 13 | 8 | 14 | 8 | 5 | 10 | 9 | 5 |
| Rainy days | 24 | 22 | 14 | 17 | 18 | 22 | 17 | 23 | 25 | 21 | 21 | 25 |
| Snow days | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Tomari during the most sunny months:
The largest precipitation sum in Tomari is at