Average annual temperature is 17.6 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: -2.0 °C
Number of sunny days: 148 days
Number of rainy days: 216 days
Number of snow days: 1 day
Look at detailed online map of Katajima
* Weather data for Katajima 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) | 20.2 | 17.4 | 22.5 | 23.7 | 25.5 | 28.6 | 31.7 | 33.3 | 33.9 | 27.8 | 25.5 | 21.7 |
| Average daytime temperature (°C) | 10.8 | 12.5 | 17.2 | 19.6 | 23.0 | 25.7 | 29.5 | 30.6 | 29.7 | 23.4 | 18.8 | 13.5 |
| Average temperature (°C) | 7.7 | 8.4 | 13.0 | 16.1 | 19.3 | 22.8 | 26.8 | 27.2 | 26.1 | 18.5 | 14.6 | 9.7 |
| Average night temperature (°C) | 4.8 | 4.3 | 9.0 | 12.8 | 16.3 | 20.3 | 24.4 | 24.8 | 23.2 | 14.5 | 11.3 | 6.3 |
| Absolute minimum temperature (°C) | -2.0 | -1.6 | 0.3 | 7.7 | 8.8 | 16.3 | 20.8 | 23.4 | 20.9 | 8.6 | 5.9 | -0.5 |
| 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) | 10.3 | 11.0 | 12.0 | 13.0 | 13.9 | 14.3 | 14.1 | 13.3 | 12.4 | 11.4 | 10.5 | 10.0 |
| 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 | 9.0 |
| Sunshine mean duration (h) | 7.4 | 7.1 | 8.3 | 8.2 | 9.0 | 6.5 | 10.3 | 9.8 | 10.0 | 8.8 | 8.2 | 7.1 |
| Precipitation (mm) | 94 | 70 | 144 | 208 | 206 | 531 | 139 | 318 | 108 | 38 | 69 | 63 |
| Sunny days | 18 | 17 | 16 | 15 | 13 | 8 | 2 | 0 | 5 | 20 | 17 | 17 |
| Rainy days | 12 | 11 | 15 | 15 | 18 | 22 | 29 | 31 | 25 | 11 | 13 | 14 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Katajima is at