Average annual temperature is 13.9 °C
Absolute maximum temperature: 38.2 °C
Absolute minimum temperature: -7.2 °C
Number of sunny days: 76 days
Number of rainy days: 261 days
Number of snow days: 28 days
Look at detailed online map of Kuroiwa
* Weather data for Kuroiwa 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) | 9.7 | 11.4 | 21.8 | 25.0 | 30.3 | 29.1 | 33.8 | 38.2 | 35.6 | 24.6 | 25.1 | 16.9 |
| Average daytime temperature (°C) | 3.6 | 4.5 | 12.8 | 16.8 | 21.0 | 25.1 | 29.7 | 34.9 | 28.8 | 19.4 | 14.7 | 8.3 |
| Average temperature (°C) | 0.9 | 1.5 | 7.0 | 11.2 | 15.7 | 20.8 | 25.4 | 29.1 | 24.4 | 15.1 | 10.3 | 4.7 |
| Average night temperature (°C) | -1.3 | -1.0 | 2.4 | 6.8 | 11.4 | 17.3 | 21.6 | 25.0 | 21.3 | 11.7 | 7.1 | 1.9 |
| Absolute minimum temperature (°C) | -7.2 | -5.0 | -4.3 | 0.7 | 4.2 | 12.3 | 17.2 | 22.6 | 15.6 | 7.9 | 1.7 | -4.4 |
| 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 | 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) | 3.6 | 4.4 | 7.6 | 7.7 | 8.0 | 7.7 | 9.7 | 11.8 | 7.6 | 7.7 | 5.1 | 3.8 |
| Precipitation (mm) | 213 | 179 | 147 | 136 | 173 | 261 | 171 | 54 | 193 | 199 | 284 | 288 |
| Sunny days | 0 | 3 | 13 | 10 | 12 | 3 | 6 | 7 | 7 | 6 | 6 | 3 |
| Rainy days | 19 | 15 | 18 | 20 | 19 | 27 | 25 | 24 | 23 | 25 | 24 | 22 |
| Snow days | 12 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 |
The best time to visit Kuroiwa during the most sunny months:
The largest precipitation sum in Kuroiwa is at