Average annual temperature is 14.0 °C
Absolute maximum temperature: 38.3 °C
Absolute minimum temperature: -7.9 °C
Number of sunny days: 83 days
Number of rainy days: 266 days
Number of snow days: 16 days
Look at detailed online map of Iwano
* Weather data for Iwano 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) | 13.2 | 14.3 | 22.5 | 24.6 | 30.8 | 29.6 | 33.9 | 38.3 | 35.7 | 25.0 | 25.2 | 17.4 |
| Average daytime temperature (°C) | 4.6 | 5.1 | 13.9 | 17.1 | 21.1 | 25.4 | 29.9 | 35.4 | 29.4 | 19.9 | 15.1 | 8.8 |
| Average temperature (°C) | 1.2 | 1.4 | 7.5 | 11.3 | 15.8 | 20.9 | 25.5 | 29.4 | 24.5 | 15.0 | 10.4 | 4.5 |
| Average night temperature (°C) | -0.9 | -1.7 | 2.6 | 6.7 | 11.2 | 17.2 | 21.9 | 24.6 | 21.3 | 11.4 | 6.9 | 1.2 |
| Absolute minimum temperature (°C) | -6.5 | -7.9 | -4.2 | 0.5 | 3.3 | 11.1 | 16.8 | 22.1 | 14.4 | 7.8 | 1.5 | -6.9 |
| 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) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.4 | 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) | 4.0 | 5.3 | 7.8 | 7.9 | 8.4 | 8.0 | 9.4 | 11.9 | 7.8 | 7.9 | 5.9 | 4.1 |
| Precipitation (mm) | 252 | 172 | 123 | 123 | 172 | 264 | 138 | 39 | 192 | 222 | 244 | 274 |
| Sunny days | 2 | 3 | 14 | 10 | 11 | 5 | 7 | 7 | 7 | 6 | 7 | 4 |
| Rainy days | 22 | 18 | 17 | 20 | 20 | 25 | 24 | 24 | 23 | 25 | 23 | 25 |
| Snow days | 7 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The best time to visit Iwano during the most sunny months:
The largest precipitation sum in Iwano is at