Average annual temperature is 13.5 °C
Absolute maximum temperature: 34.4 °C
Absolute minimum temperature: -15.9 °C
Number of sunny days: 178 days
Number of rainy days: 176 days
Number of snow days: 11 days
Look at detailed online map of Seomnui
* Weather data for Seomnui 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) | 14.5 | 12.4 | 23.5 | 25.6 | 32.1 | 34.0 | 32.7 | 34.4 | 30.1 | 22.3 | 24.8 | 18.1 |
| Average daytime temperature (°C) | 3.6 | 7.3 | 16.3 | 19.1 | 23.9 | 28.7 | 29.5 | 30.7 | 26.3 | 19.4 | 11.3 | 5.8 |
| Average temperature (°C) | -0.9 | 1.9 | 9.5 | 12.9 | 18.5 | 23.0 | 25.5 | 26.3 | 22.3 | 14.2 | 6.7 | 1.9 |
| Average night temperature (°C) | -4.9 | -2.1 | 3.7 | 7.6 | 13.6 | 18.2 | 22.2 | 22.7 | 18.9 | 9.7 | 2.3 | -1.8 |
| Absolute minimum temperature (°C) | -15.9 | -6.9 | -3.7 | 0.8 | 4.6 | 14.3 | 18.6 | 17.8 | 13.4 | 4.6 | -7.2 | -12.8 |
| 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) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.2 | 7.5 | 9.0 | 7.9 | 8.3 | 9.9 | 7.4 | 9.3 | 7.5 | 8.9 | 7.5 | 6.0 |
| Precipitation (mm) | 40 | 11 | 39 | 60 | 115 | 205 | 499 | 305 | 231 | 20 | 49 | 117 |
| Sunny days | 18 | 20 | 22 | 13 | 17 | 11 | 5 | 5 | 10 | 22 | 18 | 17 |
| Rainy days | 9 | 6 | 9 | 17 | 14 | 19 | 26 | 26 | 20 | 9 | 12 | 9 |
| Snow days | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
The largest precipitation sum in Seomnui is at