Average annual temperature is 13.0 °C
Absolute maximum temperature: 35.8 °C
Absolute minimum temperature: -9.9 °C
Number of sunny days: 69 days
Number of rainy days: 255 days
Number of snow days: 41 days
Look at detailed online map of Katamukai
* Weather data for Katamukai 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) | 11.6 | 9.2 | 20.8 | 20.1 | 23.4 | 27.5 | 30.9 | 35.8 | 32.5 | 23.1 | 22.9 | 13.9 |
| Average daytime temperature (°C) | 2.3 | 2.5 | 11.0 | 13.9 | 18.3 | 23.1 | 26.6 | 32.8 | 26.9 | 18.4 | 12.5 | 5.5 |
| Average temperature (°C) | -0.2 | 0.4 | 6.8 | 10.3 | 14.6 | 20.0 | 23.8 | 28.7 | 23.3 | 14.8 | 9.7 | 3.2 |
| Average night temperature (°C) | -2.5 | -2.2 | 3.4 | 7.1 | 11.2 | 17.3 | 21.5 | 25.8 | 20.6 | 12.1 | 7.1 | 1.0 |
| Absolute minimum temperature (°C) | -9.9 | -6.8 | -1.8 | 0.3 | 4.0 | 12.2 | 16.4 | 23.2 | 13.5 | 7.3 | -0.9 | -5.5 |
| 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 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 14.9 | 14.7 | 13.7 | 12.5 | 11.2 | 10.0 | 9.4 |
| 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) | 5.2 | 6.0 | 8.3 | 8.6 | 9.0 | 8.0 | 8.6 | 11.9 | 7.8 | 7.7 | 5.1 | 4.0 |
| Precipitation (mm) | 94 | 95 | 110 | 171 | 213 | 245 | 435 | 74 | 275 | 262 | 328 | 151 |
| Sunny days | 0 | 3 | 12 | 9 | 11 | 6 | 4 | 10 | 4 | 5 | 4 | 1 |
| Rainy days | 14 | 12 | 19 | 21 | 20 | 24 | 27 | 21 | 26 | 26 | 25 | 20 |
| Snow days | 17 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 10 |
The best time to visit Katamukai during the most sunny months:
The largest precipitation sum in Katamukai is at