Climate averages 1991–2020
Muan weather
in July.
A warm, very wet month: the 2nd warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a warm month in Muan: daytime highs average 27.8°C and nights cool to about 22.1°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 219 mm of rain on roughly 15 days, which makes July a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 14 h 16 min on an average July day.
The nearest other city in this atlas is Mokpo (21 km away). In July its highs average 26.2°C, 1.6°C cooler than Muan, with 233 mm of rain.
Among the 79 cities listed in South Korea, Muan ranks joint 44th of 79 for the warmest July highs and joint 13th of 79 for the driest July (rainfall, lowest first). The mean July high of those 79 cities is 27.8°C; Muan is level with that mean.
From July to August, average highs rise by 1.2°C to 29.0°C, and monthly rainfall falls from 219 mm to 206 mm.
The annual picture
July in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Muan climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 5.1°C-1.0°C | -1.0°C | 25 | 4.5 | 10.110 h |
| February | 6.9°C-0.5°C | -0.5°C | 34 | 5.1 | 10.911 h |
| March | 11.2°C2.3°C | 2.3°C | 59 | 7.0 | 11.912 h |
| April | 16.9°C7.2°C | 7.2°C | 81 | 7.5 | 13.013 h |
| May | 21.8°C12.4°C | 12.4°C | 92 | 7.9 | 14.014 h |
| June | 25.6°C17.4°C | 17.4°C | 156 | 9.4 | 14.514 h |
| July, selected | 27.8°C22.1°C | 22.1°C | 219 | 15.2 | 14.314 h |
| August | 29.0°C23.0°C | 23.0°C | 206 | 14.6 | 13.513 h |
| September | 25.4°C18.4°C | 18.4°C | 147 | 8.9 | 12.412 h |
| October | 20.1°C12.1°C | 12.1°C | 52 | 4.3 | 11.311 h |
| November | 13.8°C6.2°C | 6.2°C | 45 | 6.0 | 10.410 h |
| December | 7.4°C0.8°C | 0.8°C | 26 | 4.5 | 9.910 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
July in nearby cities
- Mokpo in JulySouth Korea · 21 kmHigh 26.2°C · Low 22.0°C · 233 mm rain
- Masan in JulySouth Korea · 36 kmHigh 28.6°C · Low 22.0°C · 243 mm rain
- Gwangju in JulySouth Korea · 44 kmHigh 28.7°C · Low 21.9°C · 255 mm rain
- Koch'ang in JulySouth Korea · 53 kmHigh 28.3°C · Low 22.5°C · 238 mm rain
- Jeongeup in JulySouth Korea · 79 kmHigh 28.5°C · Low 22.1°C · 266 mm rain
- Suncheon in JulySouth Korea · 92 kmHigh 28.6°C · Low 22.6°C · 321 mm rain
- Nangen in JulySouth Korea · 95 kmHigh 28.6°C · Low 21.8°C · 257 mm rain
- Kwangyang in JulySouth Korea · 101 kmHigh 28.2°C · Low 22.6°C · 321 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Muan) is explained once on the Muan year overview and on the Sources, method and limits page.