Average annual temperature is 11.7 °C
Absolute maximum temperature: 33.4 °C
Absolute minimum temperature: -14.5 °C
Number of sunny days: 108 days
Number of rainy days: 216 days
Number of snow days: 41 days
Look at detailed online map of Iwate
* Weather data for Iwate 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) | 10.2 | 10.5 | 18.7 | 21.2 | 28.2 | 28.3 | 33.1 | 33.4 | 31.5 | 22.7 | 21.1 | 13.1 |
| Average daytime temperature (°C) | 2.1 | 2.4 | 11.7 | 15.1 | 19.1 | 23.2 | 27.6 | 31.0 | 26.1 | 17.6 | 11.9 | 5.6 |
| Average temperature (°C) | -1.8 | -1.9 | 5.8 | 9.6 | 13.9 | 19.2 | 23.6 | 26.6 | 21.9 | 12.9 | 7.9 | 2.2 |
| Average night temperature (°C) | -5.9 | -6.4 | 1.0 | 5.0 | 9.0 | 15.7 | 20.2 | 23.6 | 18.7 | 8.9 | 4.6 | -1.0 |
| Absolute minimum temperature (°C) | -13.5 | -14.5 | -5.7 | -1.8 | 0.3 | 10.2 | 16.3 | 20.3 | 9.4 | 2.7 | -7.5 | -5.7 |
| 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) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 14.9 | 14.6 | 13.7 | 12.5 | 11.2 | 10.0 | 9.4 |
| 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) | 6.0 | 7.1 | 8.9 | 8.8 | 8.8 | 8.1 | 9.4 | 11.0 | 7.1 | 8.5 | 5.6 | 5.1 |
| Precipitation (mm) | 49 | 56 | 87 | 129 | 127 | 186 | 226 | 110 | 163 | 99 | 164 | 102 |
| Sunny days | 5 | 11 | 18 | 13 | 12 | 3 | 9 | 3 | 3 | 14 | 9 | 8 |
| Rainy days | 8 | 8 | 12 | 17 | 19 | 27 | 22 | 28 | 27 | 17 | 19 | 12 |
| Snow days | 18 | 9 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 11 |
The best time to visit Iwate during the most sunny months:
The largest precipitation sum in Iwate is at