Average annual temperature is 14.2 °C
Absolute maximum temperature: 34.4 °C
Absolute minimum temperature: -11.2 °C
Number of sunny days: 196 days
Number of rainy days: 167 days
Number of snow days: 2 days
Look at detailed online map of Seohaeryang
* Weather data for Seohaeryang 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) | 17.0 | 13.7 | 23.5 | 25.4 | 26.8 | 30.3 | 32.2 | 34.4 | 29.8 | 24.3 | 25.8 | 18.4 |
| Average daytime temperature (°C) | 7.0 | 9.9 | 17.1 | 18.6 | 21.7 | 26.3 | 28.0 | 30.1 | 26.6 | 21.1 | 14.3 | 8.7 |
| Average temperature (°C) | 1.1 | 3.9 | 10.4 | 13.2 | 17.3 | 22.0 | 24.8 | 26.4 | 22.8 | 15.1 | 8.6 | 3.4 |
| Average night temperature (°C) | -3.3 | -1.1 | 4.9 | 8.3 | 13.4 | 18.4 | 22.3 | 23.2 | 19.6 | 10.2 | 4.0 | -0.5 |
| Absolute minimum temperature (°C) | -11.2 | -6.7 | -4.5 | 0.7 | 6.9 | 13.8 | 18.5 | 20.0 | 14.8 | 4.0 | -4.3 | -7.9 |
| 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) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.2 | 13.4 | 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 | 7.6 | 8.6 | 7.7 | 7.7 | 8.8 | 6.4 | 10.0 | 7.9 | 8.8 | 8.1 | 6.8 |
| Precipitation (mm) | 75 | 30 | 63 | 136 | 272 | 286 | 394 | 314 | 251 | 8 | 78 | 87 |
| Sunny days | 26 | 21 | 23 | 14 | 12 | 10 | 4 | 7 | 10 | 25 | 24 | 20 |
| Rainy days | 5 | 7 | 8 | 16 | 19 | 20 | 27 | 24 | 20 | 6 | 6 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The largest precipitation sum in Seohaeryang is at