Average annual temperature is 15.9 °C
Absolute maximum temperature: 34.2 °C
Absolute minimum temperature: -4.3 °C
Number of sunny days: 158 days
Number of rainy days: 206 days
Number of snow days: 1 day
Look at detailed online map of Karuigawa
* Weather data for Karuigawa 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) | 16.8 | 16.1 | 23.0 | 25.6 | 28.3 | 30.2 | 33.6 | 34.2 | 32.7 | 26.2 | 24.0 | 19.4 |
| Average daytime temperature (°C) | 9.4 | 10.4 | 16.8 | 18.8 | 22.3 | 25.7 | 29.7 | 30.3 | 29.0 | 22.0 | 17.1 | 12.4 |
| Average temperature (°C) | 5.1 | 5.9 | 11.5 | 14.2 | 18.0 | 21.8 | 25.6 | 26.3 | 24.7 | 16.9 | 12.4 | 8.1 |
| Average night temperature (°C) | 1.7 | 1.9 | 7.1 | 10.1 | 14.4 | 18.7 | 22.7 | 23.6 | 21.7 | 13.2 | 8.5 | 4.6 |
| Absolute minimum temperature (°C) | -4.3 | -2.0 | -0.3 | 5.3 | 6.9 | 13.2 | 19.3 | 21.3 | 19.1 | 7.5 | 0.9 | -0.1 |
| 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 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.5 | 7.4 | 8.5 | 8.4 | 9.0 | 6.9 | 10.3 | 9.6 | 9.5 | 8.8 | 7.8 | 7.4 |
| Precipitation (mm) | 120 | 55 | 153 | 308 | 322 | 616 | 202 | 300 | 166 | 100 | 165 | 68 |
| Sunny days | 19 | 18 | 17 | 11 | 13 | 10 | 6 | 1 | 9 | 18 | 17 | 19 |
| Rainy days | 11 | 10 | 14 | 19 | 18 | 20 | 25 | 30 | 21 | 13 | 13 | 12 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Karuigawa is at