Average annual temperature is 15.1 °C
Absolute maximum temperature: 38.9 °C
Absolute minimum temperature: -8.9 °C
Number of sunny days: 95 days
Number of rainy days: 262 days
Number of snow days: 8 days
Look at detailed online map of Tonami Shi
* Weather data for Tonami Shi 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) | 16.4 | 16.1 | 21.9 | 26.1 | 30.5 | 31.9 | 34.4 | 38.9 | 36.8 | 25.9 | 26.2 | 19.1 |
| Average daytime temperature (°C) | 6.6 | 7.5 | 14.6 | 17.1 | 21.9 | 25.9 | 30.9 | 35.0 | 29.9 | 20.6 | 16.0 | 10.1 |
| Average temperature (°C) | 2.7 | 3.2 | 9.1 | 12.6 | 16.8 | 21.6 | 26.5 | 29.6 | 25.3 | 15.7 | 11.5 | 6.1 |
| Average night temperature (°C) | -0.8 | -0.4 | 4.2 | 8.1 | 12.4 | 17.9 | 22.7 | 25.4 | 22.1 | 11.8 | 7.9 | 2.4 |
| Absolute minimum temperature (°C) | -8.9 | -7.3 | -1.2 | 2.8 | 4.3 | 13.2 | 18.0 | 23.8 | 16.8 | 7.4 | -0.3 | -4.8 |
| 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) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 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) | 5.7 | 6.1 | 7.7 | 7.8 | 8.7 | 7.7 | 9.6 | 11.1 | 8.2 | 8.2 | 6.2 | 4.6 |
| Precipitation (mm) | 193 | 157 | 145 | 156 | 252 | 325 | 179 | 68 | 189 | 155 | 202 | 240 |
| Sunny days | 4 | 6 | 16 | 12 | 13 | 5 | 8 | 6 | 4 | 9 | 7 | 5 |
| Rainy days | 25 | 17 | 15 | 18 | 18 | 25 | 23 | 25 | 26 | 22 | 23 | 25 |
| Snow days | 2 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Tonami Shi during the most sunny months:
The largest precipitation sum in Tonami Shi is at