Average annual temperature is 16.7 °C
Absolute maximum temperature: 37.3 °C
Absolute minimum temperature: -5.8 °C
Number of sunny days: 180 days
Number of rainy days: 184 days
Number of snow days: 1 day
Look at detailed online map of Ishijima
* Weather data for Ishijima 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 | 17.2 | 24.1 | 23.0 | 28.2 | 30.5 | 37.3 | 35.7 | 34.1 | 29.1 | 25.8 | 20.5 |
| Average daytime temperature (°C) | 8.8 | 10.8 | 16.1 | 19.5 | 21.9 | 25.8 | 32.5 | 32.7 | 29.8 | 22.6 | 18.1 | 13.5 |
| Average temperature (°C) | 4.3 | 5.9 | 11.8 | 15.3 | 18.1 | 22.4 | 28.0 | 28.7 | 26.2 | 17.9 | 13.3 | 8.1 |
| Average night temperature (°C) | 0.4 | 1.8 | 7.7 | 11.6 | 14.5 | 19.7 | 24.4 | 25.8 | 23.4 | 13.6 | 9.2 | 3.6 |
| Absolute minimum temperature (°C) | -5.8 | -3.1 | 1.3 | 4.5 | 7.8 | 14.9 | 21.3 | 24.0 | 16.8 | 9.5 | 4.3 | -1.8 |
| 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 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.0 | 7.4 | 7.4 | 8.6 | 8.4 | 7.4 | 10.7 | 11.3 | 8.8 | 8.6 | 7.1 | 7.6 |
| Precipitation (mm) | 29 | 40 | 129 | 116 | 163 | 280 | 54 | 118 | 196 | 102 | 57 | 33 |
| Sunny days | 17 | 19 | 14 | 15 | 15 | 9 | 17 | 9 | 7 | 21 | 13 | 24 |
| Rainy days | 13 | 9 | 17 | 15 | 16 | 21 | 14 | 22 | 23 | 10 | 17 | 7 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Ishijima during the most sunny months:
The largest precipitation sum in Ishijima is at