Average annual temperature is 12.1 °C
Absolute maximum temperature: 34.2 °C
Absolute minimum temperature: -19.3 °C
Number of sunny days: 177 days
Number of rainy days: 175 days
Number of snow days: 13 days
Look at detailed online map of Boan
* Weather data for Boan South Korea is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 10.9 | 9.8 | 22.6 | 24.7 | 28.3 | 34.2 | 32.3 | 33.7 | 30.4 | 21.9 | 22.6 | 15.0 |
| Average daytime temperature (°C) | 1.1 | 5.5 | 14.1 | 17.2 | 23.0 | 26.7 | 28.9 | 29.1 | 26.1 | 18.7 | 8.9 | 3.5 |
| Average temperature (°C) | -3.5 | 0.2 | 7.5 | 11.6 | 17.5 | 21.8 | 25.2 | 25.3 | 21.7 | 13.3 | 4.2 | -0.7 |
| Average night temperature (°C) | -8.0 | -3.5 | 2.0 | 6.8 | 12.7 | 17.5 | 22.1 | 21.9 | 17.8 | 8.6 | 0.2 | -4.6 |
| Absolute minimum temperature (°C) | -19.3 | -7.0 | -4.7 | 0.4 | 5.0 | 13.3 | 17.7 | 17.3 | 11.0 | 2.5 | -8.2 | -15.5 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.1 | 8.5 | 9.2 | 7.2 | 9.4 | 9.4 | 7.8 | 7.9 | 7.6 | 8.4 | 6.6 | 6.1 |
| Precipitation (mm) | 59 | 1 | 25 | 115 | 148 | 192 | 322 | 330 | 118 | 30 | 83 | 80 |
| Sunny days | 19 | 25 | 21 | 13 | 19 | 9 | 6 | 5 | 8 | 17 | 15 | 20 |
| Rainy days | 4 | 2 | 10 | 17 | 12 | 21 | 25 | 26 | 22 | 14 | 13 | 9 |
| Snow days | 8 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 |
The largest precipitation sum in Boan is at