Average annual temperature is 14.6 °C
Absolute maximum temperature: 32.7 °C
Absolute minimum temperature: -12.7 °C
Number of sunny days: 199 days
Number of rainy days: 163 days
Number of snow days: 3 days
Look at detailed online map of Seonam
* Weather data for Seonam 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 | 14.8 | 22.5 | 25.7 | 26.7 | 28.6 | 31.5 | 32.7 | 28.5 | 24.1 | 24.8 | 19.5 |
| Average daytime temperature (°C) | 6.6 | 9.8 | 15.4 | 17.4 | 20.5 | 24.7 | 27.9 | 29.3 | 26.0 | 21.0 | 14.5 | 8.9 |
| Average temperature (°C) | 1.7 | 5.0 | 10.6 | 13.5 | 17.1 | 21.5 | 25.0 | 26.4 | 23.1 | 16.1 | 9.5 | 4.5 |
| Average night temperature (°C) | -2.4 | 1.1 | 6.4 | 9.9 | 13.9 | 18.8 | 22.6 | 24.0 | 20.4 | 11.9 | 5.3 | 0.9 |
| Absolute minimum temperature (°C) | -12.7 | -4.5 | -2.8 | 2.7 | 7.8 | 16.2 | 18.7 | 21.9 | 14.9 | 6.1 | -4.0 | -8.8 |
| 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 | 7.5 | 9.0 | 8.3 | 8.0 | 8.6 | 8.0 | 9.7 | 7.7 | 8.9 | 8.1 | 7.1 |
| Precipitation (mm) | 69 | 44 | 73 | 118 | 270 | 210 | 275 | 306 | 175 | 7 | 30 | 131 |
| Sunny days | 25 | 18 | 19 | 18 | 16 | 12 | 7 | 6 | 6 | 25 | 25 | 22 |
| Rainy days | 5 | 10 | 12 | 12 | 15 | 18 | 24 | 25 | 24 | 6 | 5 | 7 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The largest precipitation sum in Seonam is at