Average annual temperature is 9.7 °C
Absolute maximum temperature: 31.8 °C
Absolute minimum temperature: -26.7 °C
Number of sunny days: 169 days
Number of rainy days: 174 days
Number of snow days: 22 days
Look at detailed online map of Sinchon
* Weather data for Sinchon 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) | 9.5 | 9.9 | 20.0 | 23.1 | 26.2 | 30.0 | 31.6 | 31.8 | 28.4 | 20.3 | 20.0 | 12.1 |
| Average daytime temperature (°C) | -1.0 | 3.7 | 11.8 | 14.7 | 20.2 | 24.2 | 27.8 | 27.3 | 23.5 | 16.5 | 6.9 | 0.0 |
| Average temperature (°C) | -5.7 | -1.4 | 5.4 | 9.0 | 15.0 | 19.3 | 23.5 | 23.0 | 18.9 | 10.8 | 2.1 | -4.5 |
| Average night temperature (°C) | -9.9 | -5.0 | 0.3 | 3.9 | 10.3 | 14.7 | 20.1 | 19.6 | 15.3 | 6.1 | -1.9 | -8.7 |
| Absolute minimum temperature (°C) | -22.8 | -10.0 | -7.7 | -2.7 | 4.4 | 9.9 | 16.5 | 14.6 | 6.7 | -0.5 | -11.1 | -26.7 |
| 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 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.8 | 12.0 | 13.2 | 14.2 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 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 | 8.1 | 9.0 | 7.6 | 9.3 | 9.7 | 8.1 | 7.7 | 7.6 | 8.0 | 6.3 | 5.5 |
| Precipitation (mm) | 41 | 3 | 21 | 108 | 112 | 181 | 291 | 248 | 93 | 19 | 95 | 97 |
| Sunny days | 19 | 21 | 23 | 11 | 15 | 6 | 3 | 7 | 12 | 18 | 17 | 17 |
| Rainy days | 3 | 0 | 8 | 19 | 16 | 24 | 28 | 24 | 18 | 13 | 12 | 9 |
| Snow days | 9 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 |
The largest precipitation sum in Sinchon is at