Average annual temperature is 13.3 °C
Absolute maximum temperature: 32.5 °C
Absolute minimum temperature: -8.0 °C
Number of sunny days: 93 days
Number of rainy days: 250 days
Number of snow days: 22 days
Look at detailed online map of Tonbara
* Weather data for Tonbara 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) | 12.6 | 12.4 | 21.4 | 22.7 | 26.0 | 27.7 | 32.1 | 32.5 | 29.5 | 22.7 | 22.5 | 16.5 |
| Average daytime temperature (°C) | 4.1 | 5.4 | 13.2 | 15.6 | 20.1 | 23.6 | 27.9 | 29.3 | 25.5 | 18.0 | 13.2 | 7.2 |
| Average temperature (°C) | 1.4 | 2.2 | 8.5 | 11.2 | 15.7 | 19.8 | 24.2 | 25.3 | 22.0 | 14.4 | 9.8 | 4.5 |
| Average night temperature (°C) | -1.1 | -0.7 | 5.0 | 8.0 | 12.7 | 17.0 | 21.5 | 22.8 | 19.8 | 11.7 | 7.0 | 2.2 |
| Absolute minimum temperature (°C) | -8.0 | -6.5 | -2.2 | 3.9 | 7.4 | 11.6 | 18.8 | 20.7 | 15.8 | 6.9 | -0.4 | -4.9 |
| 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) | 5.0 | 5.8 | 8.0 | 7.7 | 8.4 | 7.7 | 9.1 | 9.6 | 8.2 | 8.2 | 6.6 | 5.1 |
| Precipitation (mm) | 153 | 119 | 92 | 223 | 288 | 181 | 214 | 183 | 142 | 34 | 110 | 141 |
| Sunny days | 5 | 6 | 16 | 13 | 11 | 8 | 4 | 2 | 2 | 11 | 10 | 5 |
| Rainy days | 16 | 16 | 14 | 17 | 20 | 22 | 27 | 29 | 28 | 20 | 20 | 21 |
| Snow days | 10 | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
The best time to visit Tonbara during the most sunny months:
The largest precipitation sum in Tonbara is at