Average annual temperature is 15.0 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: -10.3 °C
Number of sunny days: 189 days
Number of rainy days: 173 days
Number of snow days: 3 days
Look at detailed online map of Sŏnjŏn
* Weather data for Sŏnjŏn 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) | 16.3 | 13.7 | 23.5 | 23.8 | 25.5 | 29.5 | 32.9 | 35.2 | 31.2 | 24.1 | 25.9 | 18.5 |
| Average daytime temperature (°C) | 6.9 | 9.9 | 15.6 | 18.0 | 21.2 | 25.6 | 28.4 | 30.7 | 27.4 | 21.7 | 14.7 | 9.2 |
| Average temperature (°C) | 2.6 | 5.2 | 10.8 | 13.8 | 17.6 | 22.1 | 25.3 | 27.1 | 23.5 | 16.7 | 10.0 | 4.9 |
| Average night temperature (°C) | -1.5 | 1.1 | 6.7 | 10.0 | 14.7 | 19.5 | 22.9 | 24.4 | 20.4 | 12.4 | 6.0 | 1.2 |
| Absolute minimum temperature (°C) | -10.3 | -3.3 | -0.9 | 3.9 | 8.8 | 16.5 | 18.8 | 22.3 | 15.9 | 7.6 | -2.2 | -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 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.7 | 7.6 | 8.6 | 7.7 | 7.7 | 8.5 | 6.8 | 9.9 | 7.9 | 8.8 | 8.1 | 7.1 |
| Precipitation (mm) | 48 | 40 | 74 | 147 | 212 | 227 | 387 | 313 | 290 | 9 | 48 | 76 |
| Sunny days | 25 | 21 | 19 | 14 | 13 | 9 | 5 | 6 | 10 | 23 | 23 | 21 |
| Rainy days | 5 | 7 | 12 | 16 | 18 | 21 | 26 | 25 | 20 | 8 | 7 | 8 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The largest precipitation sum in Sŏnjŏn is at