Average annual temperature is 18.2 °C
Absolute maximum temperature: 33.5 °C
Absolute minimum temperature: -2.9 °C
Number of sunny days: 141 days
Number of rainy days: 223 days
Number of snow days: 1 day
Look at detailed online map of Ijūin
* Weather data for Ijūin 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) | 21.2 | 20.9 | 23.2 | 25.3 | 29.9 | 30.6 | 33.1 | 33.1 | 33.5 | 29.6 | 26.1 | 22.9 |
| Average daytime temperature (°C) | 12.2 | 14.8 | 18.3 | 20.9 | 24.5 | 26.9 | 30.5 | 31.1 | 30.7 | 24.1 | 19.3 | 14.3 |
| Average temperature (°C) | 8.3 | 10.4 | 13.7 | 16.8 | 20.2 | 23.3 | 27.3 | 27.4 | 26.5 | 19.2 | 15.1 | 10.3 |
| Average night temperature (°C) | 5.2 | 6.9 | 10.0 | 13.3 | 16.9 | 20.8 | 25.0 | 24.9 | 23.5 | 15.4 | 11.9 | 7.2 |
| Absolute minimum temperature (°C) | -2.9 | 1.6 | 1.8 | 6.4 | 11.4 | 17.6 | 22.3 | 23.1 | 21.7 | 9.8 | 5.2 | 0.2 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.4 | 11.1 | 12.0 | 13.0 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.6 | 10.1 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 6.8 | 6.8 | 8.0 | 7.6 | 9.0 | 6.0 | 9.3 | 10.0 | 10.5 | 8.5 | 8.4 | 6.8 |
| Precipitation (mm) | 136 | 149 | 208 | 267 | 243 | 603 | 447 | 341 | 83 | 103 | 82 | 125 |
| Sunny days | 16 | 14 | 15 | 12 | 15 | 6 | 1 | 4 | 4 | 21 | 20 | 13 |
| Rainy days | 14 | 14 | 16 | 18 | 16 | 24 | 30 | 27 | 26 | 10 | 10 | 18 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Ijūin during the most sunny months:
The largest precipitation sum in Ijūin is at