Average annual temperature is 13.7 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: -13.4 °C
Number of sunny days: 195 days
Number of rainy days: 168 days
Number of snow days: 2 days
Look at detailed online map of Muan
* Weather data for Muan 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) | 15.5 | 15.1 | 23.7 | 27.5 | 30.8 | 32.6 | 33.6 | 35.5 | 30.8 | 23.6 | 24.9 | 18.7 |
| Average daytime temperature (°C) | 6.0 | 9.7 | 17.4 | 19.0 | 22.9 | 27.8 | 29.1 | 30.5 | 26.6 | 20.8 | 13.7 | 8.0 |
| Average temperature (°C) | 0.3 | 3.5 | 10.1 | 12.9 | 17.3 | 22.0 | 25.0 | 26.2 | 22.4 | 14.6 | 7.6 | 2.6 |
| Average night temperature (°C) | -4.3 | -1.7 | 3.7 | 7.4 | 12.4 | 17.5 | 21.9 | 22.9 | 18.9 | 9.1 | 2.5 | -1.6 |
| Absolute minimum temperature (°C) | -13.4 | -6.2 | -4.7 | -0.6 | 5.0 | 13.4 | 17.9 | 20.8 | 13.7 | 3.7 | -5.3 | -9.8 |
| 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 | 7.6 | 8.8 | 8.0 | 7.8 | 8.7 | 6.9 | 9.2 | 7.4 | 8.6 | 8.0 | 7.0 |
| Precipitation (mm) | 37 | 32 | 65 | 65 | 184 | 196 | 331 | 355 | 251 | 10 | 48 | 75 |
| Sunny days | 25 | 18 | 19 | 16 | 14 | 13 | 4 | 7 | 9 | 22 | 24 | 24 |
| Rainy days | 5 | 9 | 12 | 14 | 17 | 17 | 27 | 24 | 21 | 9 | 6 | 7 |
| Snow days | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Muan is at