Average annual temperature is 14.7 °C
Absolute maximum temperature: 36.2 °C
Absolute minimum temperature: -13.7 °C
Number of sunny days: 205 days
Number of rainy days: 159 days
Number of snow days: 1 day
Look at detailed online map of Sŏjam
* Weather data for Sŏjam 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) | 16.8 | 15.7 | 22.9 | 27.3 | 31.7 | 32.0 | 34.0 | 36.2 | 31.1 | 23.9 | 26.4 | 18.5 |
| Average daytime temperature (°C) | 5.8 | 8.2 | 15.1 | 17.8 | 22.1 | 26.3 | 29.8 | 29.6 | 25.5 | 20.5 | 13.6 | 7.5 |
| Average temperature (°C) | 1.8 | 4.2 | 10.6 | 13.5 | 18.4 | 22.8 | 26.5 | 26.5 | 22.6 | 16.0 | 9.3 | 3.7 |
| Average night temperature (°C) | -1.5 | 1.0 | 6.6 | 9.6 | 15.1 | 19.7 | 23.8 | 23.9 | 20.0 | 12.0 | 5.3 | 0.6 |
| Absolute minimum temperature (°C) | -13.7 | -3.3 | -2.0 | 4.1 | 10.0 | 15.9 | 19.8 | 20.6 | 15.2 | 6.9 | -5.0 | -10.0 |
| 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 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.8 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.6 | 7.6 | 9.1 | 9.0 | 9.0 | 10.1 | 8.6 | 9.5 | 7.2 | 8.7 | 7.9 | 7.1 |
| Precipitation (mm) | 40 | 47 | 54 | 65 | 155 | 160 | 287 | 304 | 251 | 13 | 30 | 158 |
| Sunny days | 25 | 18 | 23 | 16 | 19 | 14 | 7 | 5 | 7 | 24 | 23 | 24 |
| Rainy days | 6 | 9 | 8 | 14 | 12 | 16 | 24 | 26 | 23 | 7 | 7 | 7 |
| Snow days | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sŏjam is at