Average annual temperature is 17.0 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: -5.0 °C
Number of sunny days: 158 days
Number of rainy days: 207 days
Look at detailed online map of Kawaguchi
* Weather data for Kawaguchi 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) | 20.9 | 20.6 | 24.8 | 26.6 | 32.9 | 32.4 | 34.3 | 35.5 | 33.5 | 27.1 | 27.9 | 23.0 |
| Average daytime temperature (°C) | 12.3 | 13.5 | 18.1 | 20.7 | 24.0 | 26.5 | 31.1 | 29.9 | 30.0 | 23.6 | 19.7 | 14.2 |
| Average temperature (°C) | 6.5 | 8.4 | 12.7 | 15.8 | 19.3 | 22.6 | 27.0 | 26.2 | 25.5 | 17.9 | 13.7 | 8.6 |
| Average night temperature (°C) | 2.2 | 4.0 | 8.0 | 11.4 | 15.1 | 19.5 | 23.9 | 23.5 | 22.0 | 13.1 | 9.3 | 4.3 |
| Absolute minimum temperature (°C) | -4.4 | -1.8 | -0.5 | 2.6 | 8.1 | 15.2 | 21.4 | 22.1 | 19.8 | 7.3 | 1.4 | -5.0 |
| 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) | 10.3 | 11.1 | 12.0 | 13.0 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.5 | 10.1 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.4 | 6.9 | 7.6 | 7.9 | 8.8 | 6.2 | 9.7 | 8.2 | 10.0 | 8.5 | 8.8 | 7.4 |
| Precipitation (mm) | 62 | 138 | 170 | 169 | 147 | 516 | 222 | 493 | 104 | 61 | 31 | 81 |
| Sunny days | 22 | 17 | 16 | 14 | 11 | 8 | 3 | 3 | 2 | 22 | 20 | 20 |
| Rainy days | 9 | 11 | 15 | 16 | 20 | 22 | 28 | 28 | 28 | 9 | 10 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kawaguchi is at