Average annual temperature is 14.3 °C
Absolute maximum temperature: 35.4 °C
Absolute minimum temperature: -13.9 °C
Number of sunny days: 175 days
Number of rainy days: 179 days
Number of snow days: 11 days
Look at detailed online map of Bongsan
* Weather data for Bongsan 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) | 15.8 | 12.7 | 25.9 | 27.3 | 30.9 | 35.4 | 32.9 | 35.1 | 31.4 | 23.0 | 24.2 | 18.1 |
| Average daytime temperature (°C) | 4.7 | 8.1 | 16.9 | 19.5 | 24.2 | 28.4 | 29.4 | 30.8 | 27.1 | 20.1 | 12.3 | 7.0 |
| Average temperature (°C) | 0.2 | 2.6 | 9.9 | 13.6 | 18.8 | 23.0 | 25.9 | 26.8 | 23.1 | 15.3 | 8.0 | 3.4 |
| Average night temperature (°C) | -3.9 | -1.5 | 4.4 | 8.7 | 14.4 | 18.7 | 23.3 | 23.6 | 19.9 | 11.0 | 3.9 | 0.0 |
| Absolute minimum temperature (°C) | -13.9 | -5.8 | -3.7 | 0.8 | 6.3 | 15.0 | 21.2 | 19.0 | 14.6 | 5.9 | -5.4 | -11.3 |
| 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) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 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) | 7.2 | 7.3 | 9.0 | 7.6 | 8.3 | 9.6 | 7.0 | 9.3 | 7.3 | 8.8 | 7.1 | 5.7 |
| Precipitation (mm) | 52 | 9 | 24 | 79 | 168 | 214 | 675 | 361 | 226 | 19 | 73 | 125 |
| Sunny days | 18 | 20 | 22 | 13 | 16 | 12 | 1 | 6 | 10 | 25 | 17 | 15 |
| Rainy days | 9 | 7 | 9 | 17 | 15 | 18 | 30 | 25 | 20 | 6 | 13 | 10 |
| Snow days | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 |
The largest precipitation sum in Bongsan is at