Average annual temperature is 10.5 °C
Absolute maximum temperature: 32.7 °C
Absolute minimum temperature: -15.0 °C
Number of sunny days: 85 days
Number of rainy days: 241 days
Number of snow days: 39 days
Look at detailed online map of Katakai
* Weather data for Katakai 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) | 10.8 | 8.2 | 16.0 | 23.5 | 29.4 | 26.5 | 32.0 | 32.7 | 32.5 | 21.9 | 22.0 | 13.4 |
| Average daytime temperature (°C) | 0.7 | 1.5 | 9.3 | 15.1 | 18.9 | 22.4 | 27.4 | 30.7 | 26.0 | 16.4 | 11.5 | 5.8 |
| Average temperature (°C) | -2.6 | -1.8 | 3.5 | 8.3 | 12.9 | 17.8 | 22.4 | 24.9 | 21.1 | 11.1 | 6.2 | 1.4 |
| Average night temperature (°C) | -5.3 | -4.6 | -1.0 | 2.9 | 7.6 | 14.1 | 17.8 | 20.5 | 17.7 | 7.1 | 2.0 | -2.0 |
| Absolute minimum temperature (°C) | -11.7 | -9.4 | -7.9 | -5.3 | -3.5 | 5.4 | 13.3 | 16.5 | 9.8 | 1.4 | -4.2 | -15.0 |
| 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 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.4 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 3.0 | 4.4 | 7.5 | 7.8 | 8.5 | 7.7 | 9.9 | 11.8 | 8.4 | 8.1 | 5.4 | 4.6 |
| Precipitation (mm) | 170 | 143 | 87 | 101 | 143 | 257 | 127 | 46 | 136 | 133 | 218 | 167 |
| Sunny days | 4 | 4 | 11 | 12 | 12 | 6 | 4 | 7 | 6 | 7 | 8 | 4 |
| Rainy days | 8 | 10 | 19 | 18 | 19 | 24 | 27 | 24 | 24 | 24 | 22 | 22 |
| Snow days | 19 | 14 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
The best time to visit Katakai during the most sunny months:
The largest precipitation sum in Katakai is at