Average annual temperature is 10.8 °C
Absolute maximum temperature: 31.6 °C
Absolute minimum temperature: -20.8 °C
Number of sunny days: 173 days
Number of rainy days: 173 days
Number of snow days: 19 days
Look at detailed online map of Ŭmdal
* Weather data for Ŭmdal 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) | 11.2 | 11.4 | 19.6 | 21.3 | 28.1 | 30.4 | 30.9 | 31.6 | 27.4 | 19.2 | 22.2 | 14.3 |
| Average daytime temperature (°C) | -0.1 | 4.7 | 12.7 | 15.3 | 20.4 | 24.7 | 26.6 | 27.6 | 23.6 | 16.4 | 8.1 | 2.0 |
| Average temperature (°C) | -3.9 | -0.1 | 7.0 | 9.9 | 15.7 | 19.9 | 23.0 | 23.6 | 19.7 | 12.1 | 3.7 | -1.3 |
| Average night temperature (°C) | -7.5 | -3.4 | 2.2 | 5.4 | 11.3 | 16.0 | 20.2 | 20.5 | 16.6 | 8.6 | -0.4 | -4.4 |
| Absolute minimum temperature (°C) | -20.8 | -8.8 | -6.9 | -1.4 | 4.3 | 12.3 | 15.8 | 15.9 | 11.1 | 1.7 | -11.3 | -17.5 |
| 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) | 10.0 | 10.8 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| 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) | 7.3 | 7.9 | 9.3 | 8.4 | 8.7 | 10.1 | 7.5 | 8.9 | 7.6 | 8.7 | 7.5 | 6.0 |
| Precipitation (mm) | 36 | 9 | 29 | 100 | 124 | 215 | 567 | 365 | 266 | 30 | 68 | 100 |
| Sunny days | 17 | 22 | 21 | 13 | 15 | 10 | 4 | 6 | 9 | 22 | 16 | 18 |
| Rainy days | 5 | 3 | 10 | 17 | 16 | 20 | 27 | 25 | 21 | 9 | 13 | 7 |
| Snow days | 9 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6 |
The largest precipitation sum in Ŭmdal is at