Climate averages 1991–2020
Masan weather
in July.
A hot, 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 hot month in Masan: daytime highs average 28.6°C and nights cool to about 22.0°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 243 mm of rain on roughly 16 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 Gwangju (8 km away). In July its highs average 28.7°C, about as warm as Masan, with 255 mm of rain.
Among the 79 cities listed in South Korea, Masan ranks joint 17th of 79 for the warmest July highs and 28th of 79 for the driest July (rainfall, lowest first). The mean July high of those 79 cities is 27.8°C; Masan is 0.8°C warmer than that mean.
From July to August, average highs rise by 0.8°C to 29.4°C, and monthly rainfall falls from 243 mm to 224 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
Masan climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 4.9°C-2.6°C | -2.6°C | 27 | 5.3 | 10.110 h |
| February | 7.1°C-1.8°C | -1.8°C | 34 | 5.4 | 10.911 h |
| March | 12.0°C1.3°C | 1.3°C | 60 | 7.3 | 11.912 h |
| April | 18.0°C6.5°C | 6.5°C | 85 | 7.6 | 13.013 h |
| May | 23.0°C12.0°C | 12.0°C | 97 | 8.0 | 14.014 h |
| June | 26.7°C17.3°C | 17.3°C | 162 | 10.1 | 14.514 h |
| July, selected | 28.6°C22.0°C | 22.0°C | 243 | 16.2 | 14.314 h |
| August | 29.4°C22.6°C | 22.6°C | 224 | 15.7 | 13.513 h |
| September | 25.8°C17.5°C | 17.5°C | 145 | 9.8 | 12.412 h |
| October | 20.4°C10.4°C | 10.4°C | 55 | 4.5 | 11.311 h |
| November | 13.8°C4.3°C | 4.3°C | 46 | 6.3 | 10.410 h |
| December | 7.1°C-1.0°C | -1.0°C | 29 | 5.4 | 9.810 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
- Gwangju in JulySouth Korea · 8 kmHigh 28.7°C · Low 21.9°C · 255 mm rain
- Muan in JulySouth Korea · 36 kmHigh 27.8°C · Low 22.1°C · 219 mm rain
- Koch'ang in JulySouth Korea · 36 kmHigh 28.3°C · Low 22.5°C · 238 mm rain
- Jeongeup in JulySouth Korea · 53 kmHigh 28.5°C · Low 22.1°C · 266 mm rain
- Mokpo in JulySouth Korea · 53 kmHigh 26.2°C · Low 22.0°C · 233 mm rain
- Nangen in JulySouth Korea · 59 kmHigh 28.6°C · Low 21.8°C · 257 mm rain
- Suncheon in JulySouth Korea · 63 kmHigh 28.6°C · Low 22.6°C · 321 mm rain
- Kwangyang in JulySouth Korea · 71 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 Masan) is explained once on the Masan year overview and on the Sources, method and limits page.