Average annual temperature is 13.1 °C
Absolute maximum temperature: 34.1 °C
Absolute minimum temperature: -15.9 °C
Number of sunny days: 178 days
Number of rainy days: 181 days
Number of snow days: 6 days
Look at detailed online map of Supan
* Weather data for Supan 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) | 15.0 | 12.9 | 21.9 | 25.7 | 29.7 | 31.2 | 33.6 | 34.1 | 28.1 | 21.3 | 24.0 | 17.0 |
| Average daytime temperature (°C) | 3.7 | 7.4 | 15.1 | 17.2 | 21.2 | 26.1 | 28.3 | 29.1 | 24.8 | 19.0 | 11.6 | 5.9 |
| Average temperature (°C) | -0.6 | 2.4 | 9.5 | 12.2 | 16.7 | 21.4 | 24.8 | 25.3 | 21.5 | 14.5 | 7.1 | 2.1 |
| Average night temperature (°C) | -4.2 | -1.2 | 5.0 | 8.0 | 13.0 | 17.8 | 22.2 | 22.6 | 18.7 | 10.7 | 2.9 | -1.0 |
| Absolute minimum temperature (°C) | -15.9 | -7.0 | -4.0 | 0.5 | 3.9 | 14.6 | 17.9 | 20.9 | 14.1 | 4.6 | -7.2 | -12.9 |
| 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 | 14.5 | 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) | 7.8 | 7.4 | 9.1 | 8.5 | 8.1 | 9.1 | 7.7 | 9.0 | 7.2 | 8.7 | 7.9 | 6.9 |
| Precipitation (mm) | 33 | 32 | 63 | 69 | 155 | 159 | 282 | 266 | 249 | 9 | 48 | 105 |
| Sunny days | 23 | 18 | 21 | 16 | 14 | 11 | 3 | 3 | 3 | 22 | 23 | 21 |
| Rainy days | 4 | 9 | 10 | 14 | 17 | 19 | 28 | 28 | 27 | 9 | 7 | 9 |
| Snow days | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Supan is at