Average annual temperature is 14.2 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: -9.8 °C
Number of sunny days: 144 days
Number of rainy days: 213 days
Number of snow days: 8 days
Look at detailed online map of Katta
* Weather data for Katta 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) | 15.2 | 14.9 | 21.8 | 25.5 | 29.9 | 30.6 | 33.8 | 33.9 | 31.8 | 25.5 | 24.7 | 18.9 |
| Average daytime temperature (°C) | 7.4 | 8.6 | 15.6 | 18.2 | 22.5 | 25.9 | 30.1 | 31.0 | 28.7 | 20.8 | 15.7 | 10.1 |
| Average temperature (°C) | 2.1 | 3.5 | 9.1 | 12.1 | 16.7 | 20.7 | 25.3 | 26.3 | 23.7 | 15.0 | 10.1 | 5.1 |
| Average night temperature (°C) | -1.5 | -0.4 | 3.7 | 7.3 | 12.4 | 16.7 | 21.4 | 23.2 | 20.5 | 10.4 | 6.0 | 1.4 |
| Absolute minimum temperature (°C) | -9.8 | -4.3 | -3.8 | -0.1 | 5.9 | 9.9 | 16.0 | 20.9 | 17.2 | 4.8 | -1.2 | -3.3 |
| 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 | 14.2 | 13.4 | 12.4 | 11.3 | 10.3 | 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) | 6.1 | 6.5 | 8.1 | 7.6 | 8.4 | 7.1 | 8.9 | 8.9 | 8.5 | 8.7 | 7.3 | 6.3 |
| Precipitation (mm) | 43 | 49 | 76 | 195 | 225 | 218 | 193 | 187 | 102 | 29 | 53 | 60 |
| Sunny days | 12 | 12 | 16 | 15 | 18 | 8 | 7 | 1 | 6 | 19 | 16 | 14 |
| Rainy days | 15 | 15 | 15 | 15 | 13 | 22 | 24 | 30 | 24 | 12 | 14 | 14 |
| Snow days | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The largest precipitation sum in Katta is at