Average annual temperature is 13.9 °C
Absolute maximum temperature: 35.4 °C
Absolute minimum temperature: -14.3 °C
Number of sunny days: 176 days
Number of rainy days: 182 days
Number of snow days: 7 days
Look at detailed online map of Mongsan
* Weather data for Mongsan 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) | 15.1 | 12.1 | 26.3 | 27.3 | 31.5 | 35.4 | 33.0 | 34.9 | 31.0 | 23.2 | 25.5 | 19.3 |
| Average daytime temperature (°C) | 4.8 | 7.8 | 16.0 | 19.5 | 24.3 | 27.8 | 29.2 | 30.6 | 27.0 | 20.6 | 12.9 | 7.4 |
| Average temperature (°C) | -0.4 | 1.8 | 8.7 | 13.4 | 18.5 | 22.6 | 25.6 | 26.5 | 22.7 | 15.1 | 8.3 | 3.4 |
| Average night temperature (°C) | -5.2 | -2.7 | 3.1 | 8.2 | 13.8 | 18.8 | 22.9 | 23.3 | 19.4 | 10.4 | 3.8 | -0.2 |
| Absolute minimum temperature (°C) | -14.3 | -5.8 | -4.4 | 2.1 | 5.7 | 14.8 | 20.6 | 18.3 | 14.1 | 5.5 | -4.2 | -10.3 |
| 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 | 7.6 | 9.0 | 7.9 | 8.4 | 9.8 | 7.1 | 9.4 | 7.5 | 8.4 | 6.7 | 5.3 |
| Precipitation (mm) | 37 | 7 | 30 | 84 | 149 | 220 | 658 | 279 | 211 | 18 | 87 | 121 |
| Sunny days | 19 | 23 | 21 | 14 | 11 | 14 | 2 | 6 | 13 | 22 | 17 | 14 |
| Rainy days | 11 | 5 | 10 | 16 | 20 | 16 | 29 | 25 | 17 | 9 | 12 | 12 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 |
The largest precipitation sum in Mongsan is at