Average annual temperature is 16.8 °C
Absolute maximum temperature: 38.4 °C
Absolute minimum temperature: -3.7 °C
Number of sunny days: 163 days
Number of rainy days: 199 days
Number of snow days: 3 days
Look at detailed online map of Kōenchō
* Weather data for Kōenchō 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 | 16.3 | 22.0 | 23.0 | 26.0 | 29.5 | 35.4 | 38.4 | 34.7 | 25.5 | 27.7 | 22.2 |
| Average daytime temperature (°C) | 8.9 | 9.6 | 15.6 | 18.9 | 22.6 | 25.6 | 31.4 | 33.1 | 30.2 | 22.0 | 17.2 | 12.2 |
| Average temperature (°C) | 5.4 | 5.8 | 11.1 | 14.6 | 18.6 | 22.5 | 27.9 | 29.2 | 26.4 | 17.7 | 13.1 | 8.4 |
| Average night temperature (°C) | 2.0 | 2.0 | 6.8 | 10.5 | 14.7 | 19.6 | 24.6 | 25.9 | 23.0 | 13.7 | 9.3 | 4.8 |
| Absolute minimum temperature (°C) | -3.7 | -1.9 | 1.5 | 6.4 | 9.3 | 13.8 | 20.5 | 23.8 | 19.2 | 9.3 | 2.9 | 0.7 |
| 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) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 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) | 7.2 | 6.6 | 8.6 | 8.0 | 9.2 | 7.0 | 10.3 | 9.9 | 9.8 | 8.6 | 7.2 | 7.1 |
| Precipitation (mm) | 57 | 45 | 115 | 154 | 263 | 383 | 90 | 175 | 130 | 56 | 124 | 46 |
| Sunny days | 13 | 15 | 18 | 14 | 14 | 10 | 14 | 5 | 11 | 18 | 17 | 14 |
| Rainy days | 17 | 12 | 13 | 16 | 17 | 20 | 17 | 26 | 19 | 13 | 13 | 16 |
| Snow days | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Kōenchō is at