Average annual temperature is 16.6 °C
Absolute maximum temperature: 35.7 °C
Absolute minimum temperature: -4.9 °C
Number of sunny days: 176 days
Number of rainy days: 188 days
Number of snow days: 1 day
Look at detailed online map of Kōnan
* Weather data for Kōnan 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) | 14.8 | 18.1 | 23.5 | 23.4 | 28.2 | 30.4 | 35.7 | 34.3 | 33.1 | 29.8 | 25.4 | 22.4 |
| Average daytime temperature (°C) | 9.3 | 11.1 | 16.1 | 19.5 | 21.7 | 25.8 | 31.2 | 31.9 | 29.6 | 22.5 | 18.4 | 13.6 |
| Average temperature (°C) | 4.6 | 6.5 | 11.9 | 15.5 | 17.8 | 22.2 | 27.1 | 28.0 | 25.9 | 17.7 | 13.5 | 8.1 |
| Average night temperature (°C) | 0.4 | 2.7 | 7.8 | 11.8 | 14.2 | 19.3 | 23.7 | 25.0 | 23.0 | 13.4 | 9.4 | 3.5 |
| Absolute minimum temperature (°C) | -4.9 | -1.1 | 2.5 | 4.7 | 8.4 | 15.1 | 21.0 | 23.4 | 17.3 | 8.5 | 2.7 | -3.1 |
| 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 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.8 | 7.0 | 7.5 | 8.6 | 8.5 | 7.3 | 10.5 | 11.1 | 9.0 | 8.6 | 7.4 | 7.7 |
| Precipitation (mm) | 22 | 50 | 146 | 132 | 175 | 301 | 49 | 222 | 188 | 135 | 62 | 39 |
| Sunny days | 15 | 16 | 16 | 13 | 13 | 10 | 19 | 9 | 9 | 16 | 18 | 22 |
| Rainy days | 16 | 11 | 15 | 17 | 18 | 20 | 12 | 22 | 21 | 15 | 12 | 9 |
| Snow days | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Kōnan during the most sunny months:
The largest precipitation sum in Kōnan is at