Average annual temperature is 24.6 °C
Absolute maximum temperature: 30.6 °C
Absolute minimum temperature: 12.4 °C
Number of sunny days: 113 days
Number of rainy days: 252 days
Look at detailed online map of Irabu
* Weather data for Irabu 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) | 23.4 | 23.0 | 24.7 | 25.7 | 26.9 | 28.7 | 30.3 | 30.6 | 30.0 | 30.2 | 27.8 | 25.2 |
| Average daytime temperature (°C) | 20.4 | 21.1 | 22.0 | 23.9 | 25.6 | 27.6 | 29.5 | 29.5 | 29.3 | 27.7 | 24.7 | 22.9 |
| Average temperature (°C) | 19.3 | 20.2 | 21.2 | 23.2 | 24.9 | 27.0 | 28.9 | 28.7 | 28.5 | 26.8 | 23.9 | 21.8 |
| Average night temperature (°C) | 18.4 | 19.3 | 20.3 | 22.4 | 24.2 | 26.3 | 28.1 | 27.8 | 27.5 | 25.9 | 23.0 | 20.7 |
| Absolute minimum temperature (°C) | 12.4 | 15.7 | 16.9 | 19.3 | 22.1 | 24.3 | 26.5 | 25.8 | 25.8 | 23.5 | 19.5 | 15.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.8 | 11.3 | 12.0 | 12.7 | 13.3 | 13.7 | 13.5 | 13.0 | 12.3 | 11.6 | 10.9 | 10.6 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 5.7 | 6.1 | 8.5 | 9.3 | 8.7 | 9.7 | 11.3 | 10.0 | 10.3 | 9.5 | 8.5 | 4.9 |
| Precipitation (mm) | 92 | 58 | 123 | 119 | 135 | 167 | 100 | 493 | 136 | 70 | 28 | 171 |
| Sunny days | 10 | 5 | 5 | 16 | 12 | 12 | 7 | 5 | 6 | 14 | 13 | 8 |
| Rainy days | 21 | 23 | 26 | 14 | 19 | 18 | 24 | 26 | 24 | 17 | 17 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Irabu during the most sunny months:
The largest precipitation sum in Irabu is at