Average annual temperature is 13.4 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: -10.1 °C
Number of sunny days: 128 days
Number of rainy days: 220 days
Number of snow days: 17 days
Look at detailed online map of Iwabuchi
* Weather data for Iwabuchi 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) | 13.7 | 14.5 | 19.5 | 21.5 | 30.2 | 30.5 | 35.2 | 33.7 | 31.8 | 25.4 | 22.9 | 15.6 |
| Average daytime temperature (°C) | 4.8 | 5.9 | 13.3 | 17.1 | 20.2 | 24.6 | 29.4 | 31.1 | 27.5 | 20.2 | 14.3 | 8.3 |
| Average temperature (°C) | 0.8 | 1.2 | 7.1 | 11.2 | 15.2 | 20.5 | 24.9 | 27.5 | 23.6 | 14.7 | 9.2 | 3.7 |
| Average night temperature (°C) | -2.4 | -2.9 | 2.1 | 6.2 | 10.8 | 17.2 | 21.2 | 24.6 | 20.7 | 10.4 | 5.2 | 0.1 |
| Absolute minimum temperature (°C) | -7.8 | -10.1 | -4.6 | 0.7 | 3.0 | 11.0 | 16.7 | 21.8 | 13.1 | 5.6 | -1.6 | -4.3 |
| 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) | 9.8 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 6.7 | 7.4 | 8.6 | 9.0 | 8.2 | 7.8 | 9.6 | 11.5 | 7.7 | 8.7 | 6.8 | 6.5 |
| Precipitation (mm) | 22 | 60 | 85 | 74 | 142 | 212 | 129 | 83 | 237 | 65 | 89 | 81 |
| Sunny days | 9 | 12 | 18 | 18 | 12 | 6 | 5 | 7 | 6 | 13 | 11 | 11 |
| Rainy days | 11 | 13 | 13 | 12 | 19 | 24 | 26 | 24 | 24 | 18 | 19 | 17 |
| Snow days | 11 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The best time to visit Iwabuchi during the most sunny months:
The largest precipitation sum in Iwabuchi is at