Average annual temperature is 13.9 °C
Absolute maximum temperature: 35.8 °C
Absolute minimum temperature: -12.6 °C
Number of sunny days: 197 days
Number of rainy days: 165 days
Number of snow days: 3 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) | 16.8 | 14.4 | 23.2 | 26.5 | 30.2 | 34.3 | 33.5 | 35.8 | 30.4 | 24.3 | 24.8 | 17.8 |
| Average daytime temperature (°C) | 6.4 | 9.6 | 17.6 | 19.0 | 23.1 | 28.4 | 28.8 | 30.6 | 27.0 | 21.0 | 13.6 | 8.1 |
| Average temperature (°C) | 0.8 | 3.4 | 10.3 | 12.9 | 17.6 | 22.5 | 24.9 | 26.1 | 22.4 | 14.8 | 7.7 | 2.7 |
| Average night temperature (°C) | -3.3 | -1.3 | 4.2 | 7.8 | 13.1 | 18.2 | 22.0 | 22.8 | 18.9 | 9.5 | 2.9 | -1.2 |
| Absolute minimum temperature (°C) | -12.6 | -5.7 | -3.6 | 1.6 | 5.0 | 14.9 | 18.0 | 19.9 | 15.3 | 4.5 | -4.7 | -10.2 |
| 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 | 14.3 | 13.5 | 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 | 7.3 | 8.7 | 7.9 | 7.7 | 9.2 | 6.8 | 9.6 | 7.5 | 8.6 | 8.0 | 6.8 |
| Precipitation (mm) | 50 | 26 | 63 | 110 | 204 | 187 | 337 | 370 | 189 | 11 | 83 | 79 |
| Sunny days | 26 | 19 | 21 | 16 | 16 | 13 | 2 | 4 | 10 | 24 | 23 | 23 |
| Rainy days | 4 | 9 | 10 | 14 | 15 | 17 | 29 | 27 | 20 | 7 | 7 | 6 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The largest precipitation sum in Sinjŏn is at