Average annual temperature is 7.8 °C
Absolute maximum temperature: 32.1 °C
Absolute minimum temperature: -21.4 °C
Number of sunny days: 146 days
Number of rainy days: 177 days
Number of snow days: 42 days
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) | 6.4 | 6.8 | 14.6 | 17.1 | 24.4 | 27.9 | 31.6 | 32.1 | 28.2 | 22.4 | 17.8 | 9.9 |
| Average daytime temperature (°C) | -4.0 | -2.2 | 5.8 | 11.6 | 16.7 | 20.9 | 25.2 | 26.1 | 22.9 | 15.1 | 8.9 | 0.6 |
| Average temperature (°C) | -8.9 | -6.3 | 1.2 | 7.0 | 11.2 | 16.1 | 20.8 | 22.2 | 18.5 | 10.4 | 4.6 | -3.6 |
| Average night temperature (°C) | -13.3 | -10.4 | -3.2 | 3.3 | 6.9 | 12.3 | 17.4 | 19.2 | 15.0 | 6.6 | 0.5 | -7.4 |
| Absolute minimum temperature (°C) | -21.4 | -19.8 | -11.3 | -2.8 | -0.5 | 5.2 | 13.0 | 14.3 | 7.8 | 0.0 | -8.6 | -16.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.2 | 7.2 | 8.2 | 8.0 | 9.2 | 9.2 | 9.2 | 6.9 | 6.9 | 7.8 | 6.3 | 6.0 |
| Precipitation (mm) | 41 | 63 | 99 | 196 | 84 | 123 | 90 | 140 | 186 | 126 | 186 | 53 |
| Sunny days | 15 | 10 | 18 | 12 | 10 | 11 | 14 | 2 | 10 | 16 | 12 | 16 |
| Rainy days | 2 | 1 | 9 | 18 | 21 | 19 | 17 | 29 | 20 | 15 | 18 | 8 |
| Snow days | 14 | 17 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 |
The largest precipitation sum in Kōnan is at