Average annual temperature is 12.7 °C
Absolute maximum temperature: 34.8 °C
Absolute minimum temperature: -14.2 °C
Number of sunny days: 111 days
Number of rainy days: 216 days
Number of snow days: 38 days
Look at detailed online map of Iwaizumi
* Weather data for Iwaizumi 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) | 13.4 | 12.1 | 20.0 | 23.6 | 30.4 | 31.7 | 33.7 | 34.8 | 33.5 | 25.7 | 24.6 | 16.6 |
| Average daytime temperature (°C) | 3.0 | 3.6 | 12.4 | 16.8 | 19.9 | 23.8 | 28.7 | 31.0 | 26.4 | 19.0 | 13.9 | 6.8 |
| Average temperature (°C) | -1.1 | -0.6 | 6.6 | 11.4 | 15.0 | 20.1 | 24.9 | 27.3 | 22.6 | 14.1 | 9.1 | 2.6 |
| Average night temperature (°C) | -4.5 | -4.3 | 1.8 | 6.9 | 11.0 | 17.1 | 21.5 | 24.0 | 19.7 | 10.2 | 5.5 | -0.5 |
| Absolute minimum temperature (°C) | -14.2 | -11.8 | -7.6 | -0.3 | 3.0 | 9.7 | 15.7 | 21.4 | 11.4 | 4.0 | -3.3 | -4.5 |
| 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 | 15.0 | 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 | 15.0 | 14.7 | 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) | 6.3 | 7.1 | 8.9 | 9.1 | 8.5 | 7.9 | 9.6 | 10.8 | 6.9 | 8.3 | 6.2 | 5.5 |
| Precipitation (mm) | 59 | 66 | 63 | 96 | 133 | 184 | 182 | 228 | 135 | 112 | 92 | 88 |
| Sunny days | 12 | 11 | 18 | 15 | 9 | 5 | 4 | 5 | 4 | 8 | 9 | 11 |
| Rainy days | 3 | 6 | 12 | 15 | 22 | 25 | 27 | 26 | 26 | 23 | 18 | 13 |
| Snow days | 16 | 11 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 7 |
The best time to visit Iwaizumi during the most sunny months:
The largest precipitation sum in Iwaizumi is at