Average annual temperature is 18.1 °C
Absolute maximum temperature: 31.2 °C
Absolute minimum temperature: -0.6 °C
Number of sunny days: 157 days
Number of rainy days: 208 days
Look at detailed online map of Kō
* Weather data for Kō 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) | 17.4 | 18.5 | 21.5 | 21.5 | 24.9 | 26.8 | 30.8 | 30.8 | 31.2 | 29.1 | 24.6 | 21.1 |
| Average daytime temperature (°C) | 10.6 | 11.9 | 16.2 | 18.6 | 21.0 | 24.3 | 28.2 | 30.1 | 28.5 | 22.8 | 18.9 | 14.4 |
| Average temperature (°C) | 8.0 | 9.2 | 13.6 | 16.4 | 18.7 | 22.2 | 26.0 | 27.6 | 26.2 | 20.0 | 16.5 | 11.9 |
| Average night temperature (°C) | 5.3 | 6.1 | 11.1 | 14.1 | 16.8 | 20.5 | 24.1 | 25.8 | 24.5 | 17.3 | 14.2 | 9.2 |
| Absolute minimum temperature (°C) | -0.6 | 0.8 | 4.8 | 8.0 | 11.3 | 16.8 | 21.9 | 23.9 | 20.3 | 13.9 | 7.8 | 3.6 |
| 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 | 14.2 | 13.4 | 12.4 | 11.3 | 10.3 | 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) | 6.3 | 7.4 | 7.7 | 8.7 | 8.7 | 7.1 | 11.2 | 11.3 | 9.2 | 8.6 | 7.1 | 7.5 |
| Precipitation (mm) | 72 | 105 | 174 | 169 | 171 | 246 | 36 | 137 | 213 | 180 | 94 | 68 |
| Sunny days | 17 | 11 | 11 | 14 | 12 | 8 | 21 | 6 | 6 | 16 | 15 | 20 |
| Rainy days | 14 | 17 | 20 | 16 | 19 | 22 | 10 | 25 | 24 | 15 | 15 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Kō during the most sunny months:
The largest precipitation sum in Kō is at