Average annual temperature is 14.2 °C
Absolute maximum temperature: 36.2 °C
Absolute minimum temperature: -13.4 °C
Number of sunny days: 189 days
Number of rainy days: 174 days
Number of snow days: 2 days
Look at detailed online map of Muyŏn
* Weather data for Muyŏn 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) | 16.0 | 15.4 | 24.2 | 27.9 | 31.3 | 32.5 | 34.0 | 36.2 | 30.8 | 23.7 | 24.5 | 18.9 |
| Average daytime temperature (°C) | 6.4 | 10.0 | 18.0 | 19.5 | 23.2 | 27.9 | 29.5 | 30.9 | 27.0 | 21.1 | 13.8 | 8.4 |
| Average temperature (°C) | 0.8 | 3.9 | 10.5 | 13.3 | 17.7 | 22.3 | 25.5 | 26.5 | 22.7 | 14.9 | 7.9 | 3.1 |
| Average night temperature (°C) | -3.5 | -1.0 | 4.3 | 7.8 | 12.9 | 17.9 | 22.4 | 23.3 | 19.2 | 9.6 | 2.9 | -0.8 |
| Absolute minimum temperature (°C) | -13.4 | -5.5 | -4.5 | -0.5 | 6.2 | 13.5 | 18.3 | 21.2 | 13.3 | 3.8 | -5.2 | -9.6 |
| 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) | 7.7 | 7.7 | 8.9 | 8.2 | 8.0 | 8.8 | 6.9 | 9.1 | 7.4 | 8.7 | 8.0 | 6.9 |
| Precipitation (mm) | 44 | 29 | 62 | 66 | 188 | 191 | 377 | 340 | 243 | 10 | 47 | 77 |
| Sunny days | 25 | 19 | 19 | 15 | 17 | 10 | 3 | 5 | 9 | 22 | 22 | 23 |
| Rainy days | 5 | 9 | 12 | 15 | 14 | 20 | 28 | 26 | 21 | 9 | 8 | 7 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Muyŏn is at