Average annual temperature is 14.0 °C
Absolute maximum temperature: 30.9 °C
Absolute minimum temperature: -9.8 °C
Number of sunny days: 121 days
Number of rainy days: 239 days
Number of snow days: 5 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) | 18.6 | 15.3 | 20.7 | 22.5 | 26.2 | 27.9 | 30.9 | 30.1 | 29.0 | 24.9 | 22.8 | 17.3 |
| Average daytime temperature (°C) | 6.5 | 9.7 | 14.5 | 17.4 | 21.0 | 23.9 | 27.5 | 28.2 | 26.5 | 19.2 | 14.2 | 8.9 |
| Average temperature (°C) | 2.9 | 5.4 | 9.9 | 12.7 | 16.6 | 19.9 | 23.5 | 24.0 | 22.2 | 14.9 | 10.2 | 5.4 |
| Average night temperature (°C) | -0.4 | 1.8 | 6.0 | 8.5 | 12.9 | 17.1 | 20.8 | 21.1 | 19.2 | 11.5 | 6.8 | 2.2 |
| Absolute minimum temperature (°C) | -9.8 | -6.0 | -1.5 | 2.8 | 6.7 | 13.6 | 18.3 | 18.8 | 15.9 | 7.8 | 0.2 | -6.0 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.3 | 11.0 | 12.0 | 13.0 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.5 | 10.1 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 6.1 | 6.5 | 7.4 | 7.2 | 8.5 | 6.4 | 8.9 | 10.1 | 9.7 | 8.5 | 7.9 | 6.3 |
| Precipitation (mm) | 112 | 134 | 149 | 227 | 222 | 436 | 223 | 243 | 93 | 70 | 84 | 122 |
| Sunny days | 13 | 14 | 15 | 16 | 13 | 4 | 2 | 0 | 3 | 15 | 15 | 11 |
| Rainy days | 16 | 14 | 16 | 14 | 18 | 26 | 29 | 31 | 27 | 16 | 15 | 17 |
| Snow days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The best time to visit Kō during the most sunny months:
The largest precipitation sum in Kō is at