Average annual temperature is 15.7 °C
Absolute maximum temperature: 35.7 °C
Absolute minimum temperature: -5.4 °C
Number of sunny days: 174 days
Number of rainy days: 191 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) | 15.3 | 15.3 | 21.9 | 25.8 | 28.4 | 30.6 | 35.7 | 34.8 | 32.0 | 26.8 | 24.5 | 18.1 |
| Average daytime temperature (°C) | 8.4 | 10.2 | 16.1 | 18.6 | 22.1 | 25.5 | 30.9 | 30.8 | 28.9 | 21.4 | 16.8 | 11.8 |
| Average temperature (°C) | 4.0 | 5.5 | 11.2 | 14.1 | 17.9 | 21.7 | 26.4 | 26.5 | 24.8 | 16.4 | 12.2 | 7.3 |
| Average night temperature (°C) | 0.4 | 1.6 | 6.7 | 9.8 | 14.1 | 18.6 | 22.5 | 23.2 | 21.4 | 12.3 | 8.6 | 3.9 |
| Absolute minimum temperature (°C) | -5.4 | -2.9 | 0.6 | 3.6 | 8.5 | 13.9 | 18.6 | 21.1 | 16.1 | 8.0 | 2.5 | -2.3 |
| 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 | 10.4 | 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) | 7.7 | 7.6 | 8.5 | 8.6 | 9.2 | 7.1 | 11.2 | 10.5 | 9.6 | 8.8 | 7.8 | 7.6 |
| Precipitation (mm) | 39 | 56 | 202 | 208 | 245 | 472 | 85 | 230 | 261 | 161 | 101 | 68 |
| Sunny days | 17 | 18 | 16 | 14 | 14 | 12 | 13 | 2 | 8 | 18 | 20 | 22 |
| Rainy days | 14 | 10 | 15 | 16 | 17 | 18 | 18 | 29 | 22 | 13 | 10 | 9 |
| 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