Average annual temperature is 14.5 °C
Absolute maximum temperature: 37.5 °C
Absolute minimum temperature: -7.6 °C
Number of sunny days: 98 days
Number of rainy days: 243 days
Number of snow days: 24 days
Look at detailed online map of Iwakubi
* Weather data for Iwakubi 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) | 14.2 | 12.9 | 20.9 | 23.5 | 28.6 | 27.8 | 32.8 | 37.5 | 33.9 | 23.9 | 24.0 | 16.7 |
| Average daytime temperature (°C) | 5.3 | 5.6 | 12.6 | 15.6 | 19.8 | 24.3 | 28.7 | 34.2 | 28.1 | 19.4 | 14.3 | 8.3 |
| Average temperature (°C) | 2.8 | 3.1 | 8.2 | 11.2 | 15.5 | 20.6 | 25.1 | 29.5 | 24.6 | 16.0 | 11.3 | 5.6 |
| Average night temperature (°C) | 0.7 | 0.8 | 4.6 | 7.7 | 12.0 | 17.8 | 22.0 | 26.0 | 22.1 | 13.2 | 8.7 | 2.9 |
| Absolute minimum temperature (°C) | -7.6 | -3.0 | 0.6 | 3.0 | 6.5 | 15.4 | 17.8 | 24.0 | 18.0 | 8.9 | 1.8 | -3.7 |
| 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) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 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) | 4.7 | 5.6 | 8.4 | 8.2 | 8.8 | 8.6 | 9.1 | 11.6 | 7.5 | 8.2 | 6.1 | 4.7 |
| Precipitation (mm) | 91 | 83 | 87 | 111 | 180 | 235 | 188 | 30 | 192 | 88 | 201 | 197 |
| Sunny days | 1 | 4 | 16 | 14 | 12 | 7 | 11 | 13 | 5 | 3 | 8 | 4 |
| Rainy days | 19 | 16 | 15 | 16 | 19 | 23 | 20 | 18 | 25 | 28 | 22 | 22 |
| Snow days | 11 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
The best time to visit Iwakubi during the most sunny months:
The largest precipitation sum in Iwakubi is at