Average annual temperature is 6.2 °C
Absolute maximum temperature: 25.3 °C
Absolute minimum temperature: -20.9 °C
Number of sunny days: 97 days
Number of rainy days: 211 days
Number of snow days: 57 days
Look at detailed online map of Kusatsu
* Weather data for Kusatsu 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) | 7.8 | 7.3 | 12.9 | 18.1 | 20.9 | 21.9 | 25.3 | 24.6 | 24.2 | 16.8 | 16.3 | 12.2 |
| Average daytime temperature (°C) | -2.6 | -1.6 | 6.4 | 10.3 | 13.7 | 17.6 | 22.5 | 22.2 | 20.3 | 11.6 | 7.4 | 2.3 |
| Average temperature (°C) | -7.2 | -6.2 | 1.1 | 4.4 | 8.5 | 13.3 | 18.1 | 18.3 | 16.2 | 6.7 | 2.4 | -2.5 |
| Average night temperature (°C) | -10.3 | -9.8 | -2.8 | -0.3 | 4.5 | 10.2 | 14.2 | 15.4 | 13.2 | 3.0 | -1.1 | -6.0 |
| Absolute minimum temperature (°C) | -19.1 | -20.9 | -14.1 | -8.2 | -2.6 | 3.8 | 11.5 | 13.5 | 5.4 | -1.8 | -7.0 | -13.7 |
| 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) | 7.1 | 7.2 | 8.5 | 9.1 | 9.1 | 8.3 | 10.4 | 10.5 | 9.0 | 8.9 | 7.8 | 7.4 |
| Precipitation (mm) | 70 | 79 | 132 | 126 | 222 | 282 | 167 | 263 | 225 | 97 | 86 | 104 |
| Sunny days | 6 | 7 | 11 | 14 | 9 | 6 | 3 | 1 | 2 | 14 | 11 | 13 |
| Rainy days | 4 | 4 | 16 | 15 | 22 | 24 | 28 | 30 | 28 | 17 | 13 | 10 |
| Snow days | 21 | 17 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 8 |
The largest precipitation sum in Kusatsu is at