Average annual temperature is 9.1 °C
Absolute maximum temperature: 30.7 °C
Absolute minimum temperature: -22.1 °C
Number of sunny days: 170 days
Number of rainy days: 169 days
Number of snow days: 26 days
Look at detailed online map of Sinjŏn
* Weather data for Sinjŏn 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) | 10.4 | 10.2 | 19.6 | 21.5 | 26.2 | 28.0 | 30.3 | 30.7 | 26.5 | 18.5 | 20.0 | 12.6 |
| Average daytime temperature (°C) | -1.0 | 3.8 | 11.6 | 13.7 | 19.2 | 23.3 | 26.4 | 26.6 | 22.6 | 15.5 | 7.0 | 0.6 |
| Average temperature (°C) | -5.7 | -1.7 | 4.9 | 8.2 | 14.0 | 18.5 | 22.2 | 22.3 | 18.2 | 9.8 | 2.0 | -3.5 |
| Average night temperature (°C) | -10.0 | -5.5 | -0.6 | 3.3 | 8.9 | 13.8 | 18.9 | 18.8 | 14.8 | 5.0 | -2.1 | -7.0 |
| Absolute minimum temperature (°C) | -22.1 | -9.7 | -8.6 | -3.7 | 1.1 | 9.4 | 15.4 | 11.5 | 8.2 | -1.0 | -12.0 | -18.8 |
| 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 | 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) | 7.0 | 7.9 | 9.1 | 7.8 | 9.0 | 9.5 | 7.5 | 8.5 | 7.2 | 8.1 | 6.7 | 5.8 |
| Precipitation (mm) | 42 | 4 | 24 | 95 | 120 | 247 | 448 | 321 | 206 | 29 | 101 | 91 |
| Sunny days | 19 | 20 | 21 | 14 | 16 | 8 | 5 | 8 | 9 | 16 | 17 | 17 |
| Rainy days | 4 | 0 | 10 | 15 | 15 | 22 | 26 | 23 | 21 | 14 | 11 | 8 |
| Snow days | 8 | 8 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 6 |
The largest precipitation sum in Sinjŏn is at