Average annual temperature is 11.3 °C
Absolute maximum temperature: 32.4 °C
Absolute minimum temperature: -20.0 °C
Number of sunny days: 178 days
Number of rainy days: 168 days
Number of snow days: 19 days
Look at detailed online map of Sajŏn
* Weather data for Sajŏn 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) | 11.3 | 10.5 | 22.8 | 23.8 | 29.0 | 31.0 | 32.0 | 32.4 | 29.2 | 20.6 | 21.5 | 14.2 |
| Average daytime temperature (°C) | 0.1 | 5.2 | 13.4 | 16.4 | 22.0 | 25.3 | 28.2 | 28.8 | 24.8 | 17.1 | 8.3 | 2.6 |
| Average temperature (°C) | -4.1 | 0.0 | 7.3 | 10.7 | 16.7 | 20.7 | 24.2 | 24.5 | 20.6 | 12.0 | 3.8 | -1.1 |
| Average night temperature (°C) | -8.7 | -3.9 | 1.9 | 5.7 | 11.7 | 16.3 | 20.8 | 21.0 | 16.9 | 7.6 | -0.4 | -4.5 |
| Absolute minimum temperature (°C) | -20.0 | -7.9 | -6.7 | -1.4 | 3.1 | 12.7 | 17.9 | 15.8 | 10.0 | 2.2 | -9.7 | -15.9 |
| 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 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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) | 6.9 | 8.2 | 9.2 | 7.7 | 9.1 | 9.4 | 7.7 | 8.5 | 7.6 | 7.9 | 7.0 | 5.8 |
| Precipitation (mm) | 34 | 4 | 26 | 111 | 127 | 223 | 433 | 314 | 179 | 26 | 82 | 87 |
| Sunny days | 19 | 23 | 22 | 13 | 19 | 6 | 6 | 8 | 8 | 21 | 16 | 17 |
| Rainy days | 4 | 2 | 9 | 17 | 12 | 24 | 25 | 23 | 22 | 10 | 12 | 8 |
| Snow days | 8 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 6 |
The largest precipitation sum in Sajŏn is at