Average annual temperature is 16.0 °C
Absolute maximum temperature: 37.3 °C
Absolute minimum temperature: -6.9 °C
Number of sunny days: 156 days
Number of rainy days: 206 days
Number of snow days: 3 days
Look at detailed online map of Katano
* Weather data for Katano 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) | 16.5 | 15.8 | 24.3 | 25.7 | 26.4 | 29.8 | 35.8 | 37.3 | 34.1 | 25.7 | 27.2 | 21.0 |
| Average daytime temperature (°C) | 8.9 | 9.8 | 16.7 | 19.4 | 22.9 | 25.9 | 31.7 | 33.4 | 30.8 | 22.1 | 17.3 | 12.3 |
| Average temperature (°C) | 3.8 | 4.8 | 10.7 | 14.0 | 18.0 | 22.1 | 27.2 | 28.7 | 26.1 | 16.8 | 12.2 | 7.3 |
| Average night temperature (°C) | -0.7 | 0.1 | 5.1 | 8.8 | 13.3 | 18.6 | 23.2 | 25.3 | 22.2 | 12.3 | 7.9 | 2.9 |
| Absolute minimum temperature (°C) | -6.9 | -4.0 | -1.4 | 3.2 | 7.1 | 12.2 | 18.8 | 23.2 | 17.8 | 7.9 | 2.1 | -3.7 |
| 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) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 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) | 7.0 | 6.0 | 8.3 | 7.9 | 9.3 | 6.9 | 10.1 | 9.9 | 9.8 | 8.6 | 7.3 | 7.0 |
| Precipitation (mm) | 49 | 46 | 114 | 164 | 265 | 342 | 85 | 194 | 122 | 57 | 128 | 36 |
| Sunny days | 7 | 11 | 17 | 14 | 17 | 9 | 10 | 8 | 8 | 17 | 18 | 20 |
| Rainy days | 22 | 16 | 14 | 16 | 14 | 21 | 21 | 23 | 22 | 14 | 12 | 11 |
| Snow days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Katano is at