Average annual temperature is 12.9 °C
Absolute maximum temperature: 34.0 °C
Absolute minimum temperature: -15.4 °C
Number of sunny days: 166 days
Number of rainy days: 186 days
Number of snow days: 13 days
Look at detailed online map of Wŏnam
* Weather data for Wŏnam 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) | 15.6 | 11.6 | 23.6 | 25.3 | 30.3 | 33.2 | 32.0 | 34.0 | 30.2 | 22.1 | 23.6 | 17.4 |
| Average daytime temperature (°C) | 3.7 | 7.1 | 15.7 | 18.3 | 22.8 | 27.2 | 28.4 | 29.7 | 26.3 | 19.0 | 11.3 | 5.9 |
| Average temperature (°C) | -0.9 | 1.3 | 8.4 | 12.2 | 17.4 | 21.5 | 24.6 | 25.4 | 21.7 | 13.8 | 6.7 | 2.0 |
| Average night temperature (°C) | -5.0 | -3.0 | 2.7 | 7.3 | 12.7 | 17.3 | 21.9 | 22.1 | 18.3 | 9.5 | 2.7 | -1.5 |
| Absolute minimum temperature (°C) | -15.4 | -7.1 | -4.6 | -0.9 | 4.8 | 13.3 | 18.4 | 17.4 | 13.0 | 5.5 | -6.5 | -12.6 |
| 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) | 7.1 | 7.3 | 9.1 | 7.4 | 8.2 | 9.4 | 7.0 | 9.3 | 7.6 | 8.6 | 7.0 | 5.7 |
| Precipitation (mm) | 50 | 11 | 29 | 80 | 197 | 170 | 599 | 372 | 271 | 18 | 83 | 136 |
| Sunny days | 16 | 20 | 21 | 15 | 15 | 10 | 0 | 5 | 11 | 23 | 16 | 14 |
| Rainy days | 9 | 7 | 10 | 15 | 16 | 20 | 31 | 26 | 19 | 8 | 13 | 12 |
| Snow days | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 |
The largest precipitation sum in Wŏnam is at