Average annual temperature is 13.9 °C
Absolute maximum temperature: 33.4 °C
Absolute minimum temperature: -13.3 °C
Number of sunny days: 172 days
Number of rainy days: 184 days
Number of snow days: 9 days
Look at detailed online map of Katsunuma
* Weather data for Katsunuma 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) | 14.7 | 15.3 | 23.2 | 24.5 | 27.8 | 28.2 | 33.4 | 33.1 | 32.0 | 24.7 | 23.0 | 19.4 |
| Average daytime temperature (°C) | 8.1 | 9.9 | 15.1 | 18.5 | 21.1 | 24.2 | 29.6 | 30.0 | 27.8 | 19.7 | 16.2 | 11.4 |
| Average temperature (°C) | 1.9 | 3.8 | 9.3 | 12.7 | 15.9 | 20.1 | 24.7 | 25.2 | 23.3 | 14.1 | 10.2 | 5.3 |
| Average night temperature (°C) | -2.6 | -1.1 | 4.3 | 7.4 | 11.4 | 16.4 | 20.4 | 21.4 | 19.8 | 9.6 | 5.8 | 0.9 |
| Absolute minimum temperature (°C) | -13.3 | -5.7 | -4.7 | -1.5 | 4.4 | 11.5 | 17.4 | 18.5 | 11.9 | 4.0 | -2.4 | -6.9 |
| 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) | 7.3 | 7.8 | 8.7 | 9.6 | 9.4 | 8.0 | 10.0 | 10.8 | 9.9 | 9.2 | 8.1 | 7.7 |
| Precipitation (mm) | 41 | 81 | 123 | 119 | 258 | 370 | 80 | 170 | 127 | 85 | 88 | 47 |
| Sunny days | 13 | 17 | 16 | 16 | 14 | 10 | 11 | 6 | 9 | 18 | 20 | 22 |
| Rainy days | 12 | 9 | 15 | 14 | 17 | 20 | 20 | 25 | 21 | 13 | 9 | 9 |
| Snow days | 6 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
The largest precipitation sum in Katsunuma is at