Average annual temperature is 13.1 °C
Absolute maximum temperature: 36.5 °C
Absolute minimum temperature: -9.9 °C
Number of sunny days: 110 days
Number of rainy days: 235 days
Number of snow days: 20 days
Look at detailed online map of Katase
* Weather data for Katase 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) | 11.4 | 11.5 | 22.4 | 24.4 | 28.8 | 29.2 | 34.0 | 36.5 | 33.5 | 23.0 | 23.5 | 15.8 |
| Average daytime temperature (°C) | 4.0 | 4.5 | 13.4 | 16.4 | 20.7 | 24.1 | 29.4 | 31.9 | 28.4 | 18.6 | 13.9 | 8.0 |
| Average temperature (°C) | 0.3 | 0.8 | 7.6 | 11.0 | 15.5 | 19.9 | 24.6 | 26.8 | 23.5 | 13.3 | 9.4 | 3.8 |
| Average night temperature (°C) | -3.1 | -3.0 | 2.6 | 6.3 | 10.9 | 16.0 | 20.6 | 23.1 | 19.9 | 8.9 | 5.8 | 0.3 |
| Absolute minimum temperature (°C) | -9.3 | -9.9 | -4.0 | 0.1 | 1.8 | 9.0 | 14.8 | 19.7 | 12.8 | 2.5 | -2.7 | -8.7 |
| 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 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 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) | 4.9 | 6.0 | 7.6 | 7.7 | 9.3 | 7.7 | 9.3 | 10.4 | 8.6 | 8.3 | 6.1 | 4.3 |
| Precipitation (mm) | 189 | 133 | 179 | 275 | 287 | 405 | 315 | 150 | 166 | 179 | 301 | 320 |
| Sunny days | 4 | 7 | 17 | 12 | 16 | 7 | 9 | 4 | 6 | 15 | 8 | 5 |
| Rainy days | 16 | 13 | 14 | 18 | 15 | 23 | 22 | 27 | 24 | 16 | 22 | 25 |
| Snow days | 11 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Katase during the most sunny months:
The largest precipitation sum in Katase is at