Average annual temperature is 12.1 °C
Absolute maximum temperature: 34.2 °C
Absolute minimum temperature: -10.4 °C
Number of sunny days: 105 days
Number of rainy days: 209 days
Number of snow days: 51 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) | 10.2 | 9.2 | 16.6 | 18.9 | 24.1 | 26.4 | 31.1 | 34.2 | 31.0 | 22.5 | 22.1 | 13.9 |
| Average daytime temperature (°C) | 1.0 | 1.6 | 9.2 | 12.7 | 16.6 | 21.0 | 26.0 | 30.2 | 25.3 | 17.9 | 11.7 | 4.1 |
| Average temperature (°C) | -0.9 | 0.0 | 5.7 | 9.5 | 13.1 | 18.0 | 23.1 | 26.9 | 22.7 | 15.2 | 9.0 | 2.3 |
| Average night temperature (°C) | -3.0 | -2.0 | 2.8 | 7.2 | 10.3 | 15.7 | 21.1 | 24.4 | 20.7 | 13.0 | 6.6 | 0.3 |
| Absolute minimum temperature (°C) | -10.4 | -6.5 | -1.0 | 2.5 | 4.3 | 12.0 | 15.5 | 21.2 | 15.0 | 6.0 | -1.8 | -4.5 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| 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) | 6.5 | 6.8 | 9.1 | 9.5 | 9.6 | 8.2 | 10.3 | 10.6 | 8.0 | 8.8 | 6.1 | 5.2 |
| Precipitation (mm) | 83 | 52 | 67 | 103 | 95 | 78 | 118 | 106 | 119 | 132 | 134 | 75 |
| Sunny days | 2 | 3 | 19 | 7 | 12 | 9 | 13 | 12 | 8 | 10 | 6 | 4 |
| Rainy days | 8 | 10 | 11 | 23 | 19 | 21 | 18 | 19 | 22 | 21 | 22 | 15 |
| Snow days | 21 | 15 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 12 |
The best time to visit Tomari during the most sunny months:
The largest precipitation sum in Tomari is at