Average annual temperature is 14.3 °C
Absolute maximum temperature: 34.3 °C
Absolute minimum temperature: -9.7 °C
Number of sunny days: 149 days
Number of rainy days: 207 days
Number of snow days: 9 days
Look at detailed online map of Nishigawa
* Weather data for Nishigawa 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) | 15.6 | 14.8 | 22.4 | 25.4 | 30.0 | 31.0 | 34.0 | 34.3 | 32.1 | 25.8 | 25.0 | 19.1 |
| Average daytime temperature (°C) | 7.6 | 8.8 | 15.9 | 18.4 | 22.7 | 26.1 | 30.5 | 31.3 | 29.1 | 21.2 | 16.1 | 10.3 |
| Average temperature (°C) | 2.1 | 3.5 | 9.2 | 12.2 | 16.9 | 20.8 | 25.4 | 26.6 | 23.9 | 15.1 | 10.2 | 5.0 |
| Average night temperature (°C) | -1.6 | -0.5 | 3.7 | 7.2 | 12.4 | 16.8 | 21.4 | 23.3 | 20.5 | 10.2 | 5.9 | 1.2 |
| Absolute minimum temperature (°C) | -9.7 | -4.4 | -3.7 | -0.2 | 5.9 | 10.1 | 16.9 | 21.3 | 16.7 | 5.0 | -1.6 | -3.4 |
| 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 | 14.2 | 13.4 | 12.4 | 11.3 | 10.3 | 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) | 6.3 | 6.6 | 8.2 | 7.5 | 8.5 | 7.0 | 8.9 | 9.2 | 8.7 | 8.8 | 7.2 | 6.5 |
| Precipitation (mm) | 40 | 51 | 86 | 214 | 237 | 213 | 199 | 190 | 104 | 36 | 45 | 76 |
| Sunny days | 16 | 11 | 17 | 16 | 16 | 8 | 8 | 1 | 7 | 19 | 15 | 15 |
| Rainy days | 12 | 14 | 14 | 14 | 15 | 22 | 23 | 30 | 23 | 12 | 15 | 13 |
| Snow days | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The largest precipitation sum in Nishigawa is at