Average annual temperature is 14.8 °C
Absolute maximum temperature: 34.3 °C
Absolute minimum temperature: -12.1 °C
Number of sunny days: 188 days
Number of rainy days: 175 days
Number of snow days: 2 days
Look at detailed online map of Sesan
* Weather data for Sesan 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 | 13.4 | 22.2 | 23.8 | 23.9 | 29.1 | 31.6 | 34.3 | 29.7 | 23.8 | 24.2 | 19.3 |
| Average daytime temperature (°C) | 6.6 | 10.0 | 15.4 | 17.6 | 20.6 | 24.8 | 27.9 | 29.9 | 26.8 | 21.5 | 14.5 | 9.3 |
| Average temperature (°C) | 2.1 | 5.1 | 10.6 | 13.7 | 17.3 | 21.8 | 25.2 | 27.1 | 23.5 | 16.4 | 9.6 | 4.8 |
| Average night temperature (°C) | -2.2 | 0.7 | 6.2 | 9.9 | 14.0 | 19.1 | 23.0 | 24.6 | 20.7 | 11.9 | 5.0 | 0.6 |
| Absolute minimum temperature (°C) | -12.1 | -3.7 | -0.7 | 2.9 | 8.0 | 15.3 | 19.9 | 22.1 | 16.1 | 7.3 | -3.6 | -7.7 |
| 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) | 7.9 | 7.7 | 8.8 | 7.9 | 7.9 | 8.5 | 7.4 | 9.6 | 7.5 | 8.9 | 8.0 | 7.0 |
| Precipitation (mm) | 62 | 40 | 67 | 93 | 264 | 299 | 329 | 271 | 223 | 10 | 42 | 90 |
| Sunny days | 25 | 19 | 18 | 16 | 12 | 10 | 6 | 7 | 7 | 24 | 24 | 20 |
| Rainy days | 5 | 9 | 13 | 14 | 19 | 20 | 25 | 24 | 23 | 7 | 6 | 10 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Sesan is at