Average annual temperature is 14.5 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: -12.0 °C
Number of sunny days: 207 days
Number of rainy days: 156 days
Number of snow days: 2 days
Look at detailed online map of Tanwŏl-li
* Weather data for Tanwŏl-li 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) | 17.7 | 15.1 | 24.0 | 28.2 | 31.4 | 34.6 | 34.9 | 36.3 | 30.5 | 24.6 | 26.5 | 19.1 |
| Average daytime temperature (°C) | 6.8 | 10.0 | 17.9 | 19.6 | 23.6 | 28.9 | 30.0 | 31.3 | 27.2 | 21.7 | 14.3 | 8.5 |
| Average temperature (°C) | 1.1 | 4.0 | 10.8 | 13.6 | 18.2 | 23.2 | 25.8 | 26.9 | 22.9 | 15.5 | 8.5 | 3.5 |
| Average night temperature (°C) | -3.1 | -0.6 | 4.9 | 8.4 | 13.9 | 18.8 | 22.9 | 23.6 | 19.4 | 10.4 | 3.8 | -0.3 |
| Absolute minimum temperature (°C) | -12.0 | -4.8 | -2.7 | 2.6 | 7.3 | 15.6 | 18.9 | 21.1 | 14.9 | 5.6 | -3.9 | -8.1 |
| 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 | 7.5 | 8.7 | 7.9 | 7.8 | 9.1 | 7.1 | 9.4 | 7.5 | 8.6 | 8.1 | 6.9 |
| Precipitation (mm) | 39 | 27 | 57 | 88 | 193 | 165 | 288 | 370 | 228 | 13 | 64 | 90 |
| Sunny days | 26 | 19 | 22 | 17 | 16 | 14 | 6 | 5 | 11 | 25 | 22 | 24 |
| Rainy days | 4 | 9 | 9 | 13 | 15 | 16 | 25 | 26 | 19 | 6 | 8 | 6 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Tanwŏl-li is at