Average annual temperature is 9.7 °C
Absolute maximum temperature: 30.7 °C
Absolute minimum temperature: -16.2 °C
Number of sunny days: 123 days
Number of rainy days: 201 days
Number of snow days: 41 days
Look at detailed online map of Tomihama
* Weather data for Tomihama 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) | 8.6 | 6.2 | 11.6 | 13.7 | 19.3 | 22.5 | 28.0 | 30.7 | 27.5 | 22.1 | 18.7 | 11.0 |
| Average daytime temperature (°C) | -1.2 | -0.2 | 6.9 | 10.1 | 14.6 | 18.9 | 23.7 | 27.2 | 23.6 | 16.2 | 10.0 | 2.4 |
| Average temperature (°C) | -4.8 | -3.8 | 3.5 | 7.4 | 11.1 | 16.3 | 21.1 | 24.8 | 20.7 | 12.8 | 6.8 | -0.6 |
| Average night temperature (°C) | -8.6 | -9.0 | 0.4 | 5.0 | 8.2 | 14.1 | 19.1 | 22.9 | 18.2 | 9.7 | 3.8 | -3.2 |
| Absolute minimum temperature (°C) | -15.0 | -16.2 | -5.3 | -0.3 | 3.1 | 7.5 | 15.6 | 19.4 | 12.0 | 3.8 | -4.6 | -10.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.1 | 7.8 | 8.8 | 8.5 | 9.7 | 9.2 | 10.0 | 9.9 | 7.5 | 8.1 | 6.3 | 6.1 |
| Precipitation (mm) | 31 | 46 | 87 | 153 | 61 | 111 | 77 | 155 | 274 | 116 | 174 | 43 |
| Sunny days | 15 | 10 | 13 | 6 | 14 | 11 | 10 | 7 | 7 | 10 | 9 | 11 |
| Rainy days | 4 | 6 | 15 | 24 | 17 | 19 | 21 | 24 | 23 | 21 | 19 | 8 |
| Snow days | 12 | 12 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 12 |
The largest precipitation sum in Tomihama is at