Climate averages 1991–2020
Koch'ang 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 Koch'ang: daytime highs average 28.3°C and nights cool to about 22.5°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 238 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 18 min on an average July day.
The nearest other city in this atlas is Jeongeup (27 km away). In July its highs average 28.5°C, about as warm as Koch'ang, with 266 mm of rain.
Among the 79 cities listed in South Korea, Koch'ang ranks joint 30th of 79 for the warmest July highs and joint 22nd of 79 for the driest July (rainfall, lowest first). The mean July high of those 79 cities is 27.8°C; Koch'ang is 0.5°C warmer than that mean.
From July to August, average highs rise by 0.8°C to 29.1°C, and monthly rainfall falls from 238 mm to 228 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
Koch'ang climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 4.3°C-2.1°C | -2.1°C | 28 | 5.9 | 10.110 h |
| February | 6.3°C-1.1°C | -1.1°C | 33 | 5.4 | 10.911 h |
| March | 11.0°C2.0°C | 2.0°C | 55 | 7.3 | 11.912 h |
| April | 17.0°C7.1°C | 7.1°C | 80 | 7.5 | 13.113 h |
| May | 22.1°C12.6°C | 12.6°C | 88 | 7.8 | 14.014 h |
| June | 25.9°C17.8°C | 17.8°C | 147 | 9.5 | 14.515 h |
| July, selected | 28.3°C22.5°C | 22.5°C | 238 | 15.6 | 14.314 h |
| August | 29.1°C23.2°C | 23.2°C | 228 | 16.0 | 13.513 h |
| September | 25.3°C18.3°C | 18.3°C | 150 | 9.5 | 12.412 h |
| October | 19.8°C11.7°C | 11.7°C | 57 | 5.5 | 11.311 h |
| November | 13.2°C5.4°C | 5.4°C | 47 | 6.9 | 10.310 h |
| December | 6.7°C-0.2°C | -0.2°C | 31 | 6.5 | 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
- Jeongeup in JulySouth Korea · 27 kmHigh 28.5°C · Low 22.1°C · 266 mm rain
- Masan in JulySouth Korea · 36 kmHigh 28.6°C · Low 22.0°C · 243 mm rain
- Gwangju in JulySouth Korea · 37 kmHigh 28.7°C · Low 21.9°C · 255 mm rain
- Muan in JulySouth Korea · 53 kmHigh 27.8°C · Low 22.1°C · 219 mm rain
- Jeonju in JulySouth Korea · 59 kmHigh 28.4°C · Low 21.8°C · 257 mm rain
- Gunsan in JulySouth Korea · 61 kmHigh 26.8°C · Low 22.3°C · 255 mm rain
- Iksan in JulySouth Korea · 61 kmHigh 28.2°C · Low 21.8°C · 262 mm rain
- Nangen in JulySouth Korea · 62 kmHigh 28.6°C · Low 21.8°C · 257 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 Koch'ang) is explained once on the Koch'ang year overview and on the Sources, method and limits page.