Average annual temperature is 14.4 °C
Absolute maximum temperature: 35.9 °C
Absolute minimum temperature: -14.4 °C
Number of sunny days: 200 days
Number of rainy days: 156 days
Number of snow days: 9 days
Look at detailed online map of Tŭlsŏng
* Weather data for Tŭlsŏng 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) | 14.8 | 16.1 | 25.0 | 27.5 | 34.7 | 35.9 | 34.8 | 35.9 | 31.0 | 23.3 | 25.9 | 17.3 |
| Average daytime temperature (°C) | 5.0 | 9.2 | 18.4 | 20.5 | 25.4 | 30.4 | 30.5 | 31.5 | 27.2 | 20.7 | 13.0 | 6.8 |
| Average temperature (°C) | -0.1 | 3.1 | 10.8 | 13.8 | 19.4 | 24.5 | 26.3 | 27.2 | 23.0 | 14.9 | 7.3 | 2.0 |
| Average night temperature (°C) | -4.2 | -1.6 | 4.1 | 7.8 | 14.0 | 19.6 | 23.1 | 23.8 | 19.6 | 9.9 | 2.3 | -2.3 |
| Absolute minimum temperature (°C) | -14.4 | -5.4 | -2.8 | 1.6 | 4.6 | 16.4 | 19.1 | 19.7 | 14.0 | 4.5 | -5.9 | -11.4 |
| 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) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.5 | 7.5 | 8.9 | 8.2 | 8.3 | 9.9 | 7.2 | 9.5 | 7.6 | 8.8 | 7.7 | 6.3 |
| Precipitation (mm) | 26 | 12 | 41 | 56 | 131 | 215 | 364 | 304 | 221 | 12 | 44 | 89 |
| Sunny days | 22 | 21 | 22 | 17 | 19 | 11 | 5 | 9 | 9 | 23 | 22 | 20 |
| Rainy days | 5 | 6 | 9 | 13 | 12 | 19 | 26 | 22 | 21 | 8 | 8 | 7 |
| Snow days | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
The largest precipitation sum in Tŭlsŏng is at