Average annual temperature is 11.3 °C
Absolute maximum temperature: 32.5 °C
Absolute minimum temperature: -11.7 °C
Number of sunny days: 117 days
Number of rainy days: 220 days
Number of snow days: 28 days
Look at detailed online map of Hiso
* Weather data for Hiso 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) | 11.9 | 11.4 | 16.2 | 22.3 | 27.9 | 26.9 | 31.5 | 32.5 | 31.5 | 22.6 | 21.2 | 14.4 |
| Average daytime temperature (°C) | 1.6 | 3.1 | 10.6 | 14.5 | 17.9 | 22.0 | 27.2 | 29.0 | 24.9 | 16.6 | 11.6 | 6.2 |
| Average temperature (°C) | -2.1 | -1.0 | 5.8 | 9.5 | 13.2 | 18.1 | 23.3 | 24.6 | 21.2 | 12.6 | 7.8 | 2.2 |
| Average night temperature (°C) | -5.0 | -4.2 | 2.1 | 5.6 | 9.4 | 15.3 | 20.3 | 21.7 | 18.9 | 9.7 | 5.0 | -0.7 |
| Absolute minimum temperature (°C) | -11.7 | -11.7 | -4.4 | -1.2 | 2.4 | 10.0 | 16.3 | 20.4 | 13.4 | 3.7 | -3.2 | -6.9 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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) | 6.6 | 7.6 | 8.1 | 8.5 | 8.5 | 7.4 | 9.6 | 11.7 | 7.7 | 8.6 | 7.2 | 7.4 |
| Precipitation (mm) | 34 | 63 | 86 | 72 | 172 | 272 | 104 | 127 | 311 | 88 | 80 | 50 |
| Sunny days | 8 | 14 | 15 | 17 | 11 | 4 | 3 | 5 | 3 | 10 | 12 | 15 |
| Rainy days | 8 | 7 | 16 | 12 | 20 | 26 | 28 | 26 | 27 | 21 | 18 | 11 |
| Snow days | 15 | 7 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
The best time to visit Hiso during the most sunny months:
The largest precipitation sum in Hiso is at