Average annual temperature is 13.8 °C
Absolute maximum temperature: 32.8 °C
Absolute minimum temperature: -10.7 °C
Number of sunny days: 112 days
Number of rainy days: 235 days
Number of snow days: 18 days
Look at detailed online map of Kōya Chō
* Weather data for Kōya Chō 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) | 14.3 | 15.0 | 22.5 | 24.9 | 27.2 | 28.5 | 32.6 | 32.8 | 31.5 | 23.8 | 22.3 | 18.2 |
| Average daytime temperature (°C) | 5.2 | 6.8 | 13.8 | 17.1 | 20.7 | 23.9 | 29.4 | 29.8 | 27.7 | 19.1 | 14.4 | 9.3 |
| Average temperature (°C) | 1.7 | 2.7 | 8.9 | 11.9 | 16.0 | 20.1 | 24.7 | 25.3 | 23.1 | 14.7 | 10.3 | 5.5 |
| Average night temperature (°C) | -1.5 | -0.7 | 4.9 | 7.7 | 12.3 | 17.0 | 21.3 | 22.2 | 19.8 | 11.5 | 6.9 | 2.2 |
| Absolute minimum temperature (°C) | -10.7 | -6.0 | -1.7 | 2.5 | 6.7 | 11.9 | 18.1 | 19.4 | 15.9 | 7.1 | 1.2 | -3.8 |
| 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 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 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) | 6.6 | 6.7 | 8.5 | 8.1 | 8.7 | 7.0 | 10.3 | 9.6 | 9.8 | 8.7 | 7.2 | 6.7 |
| Precipitation (mm) | 108 | 60 | 121 | 207 | 217 | 446 | 63 | 220 | 92 | 109 | 132 | 84 |
| Sunny days | 7 | 10 | 17 | 10 | 12 | 9 | 9 | 2 | 6 | 14 | 9 | 7 |
| Rainy days | 14 | 14 | 14 | 20 | 19 | 21 | 22 | 29 | 24 | 17 | 21 | 20 |
| Snow days | 10 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
The best time to visit Kōya Chō during the most sunny months:
The largest precipitation sum in Kōya Chō is at