Climate averages 1991–2020
Busan 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 Busan: daytime highs average 25.9°C and nights cool to about 22.3°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 228 mm of rain on roughly 12 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 Kimhae (20 km away). In July its highs average 27.2°C, 1.3°C warmer than Busan, with 241 mm of rain.
Among the 79 cities listed in South Korea, Busan ranks 75th of 79 for the warmest July highs and 19th of 79 for the driest July (rainfall, lowest first). The mean July high of those 79 cities is 27.8°C; Busan is 1.9°C cooler than that mean.
From July to August, average highs rise by 1.6°C to 27.5°C, and monthly rainfall falls from 228 mm to 181 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
Busan climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 6.5°C0.5°C | 0.5°C | 37 | 4.6 | 10.110 h |
| February | 8.3°C1.6°C | 1.6°C | 47 | 5.2 | 10.911 h |
| March | 11.8°C5.1°C | 5.1°C | 89 | 7.9 | 11.912 h |
| April | 16.0°C9.4°C | 9.4°C | 121 | 8.1 | 13.013 h |
| May | 19.8°C13.8°C | 13.8°C | 130 | 7.6 | 14.014 h |
| June | 22.8°C17.9°C | 17.9°C | 167 | 9.2 | 14.514 h |
| July, selected | 25.9°C22.3°C | 22.3°C | 228 | 11.8 | 14.314 h |
| August | 27.5°C23.8°C | 23.8°C | 181 | 11.0 | 13.513 h |
| September | 24.4°C20.1°C | 20.1°C | 159 | 8.8 | 12.412 h |
| October | 20.1°C14.6°C | 14.6°C | 72 | 4.5 | 11.311 h |
| November | 14.4°C8.3°C | 8.3°C | 52 | 5.4 | 10.410 h |
| December | 8.6°C2.4°C | 2.4°C | 33 | 4.1 | 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
- Kimhae in JulySouth Korea · 20 kmHigh 27.2°C · Low 22.3°C · 241 mm rain
- Gijang in JulySouth Korea · 23 kmHigh 26.0°C · Low 22.3°C · 227 mm rain
- Yangsan in JulySouth Korea · 27 kmHigh 27.9°C · Low 22.4°C · 241 mm rain
- Changwon in JulySouth Korea · 35 kmHigh 27.7°C · Low 22.3°C · 246 mm rain
- Ungsang in JulySouth Korea · 36 kmHigh 26.9°C · Low 22.1°C · 216 mm rain
- Geoje in JulySouth Korea · 44 kmHigh 24.9°C · Low 22.8°C · 240 mm rain
- Sinhyeon in JulySouth Korea · 44 kmHigh 25.6°C · Low 22.9°C · 252 mm rain
- Naesŏ in JulySouth Korea · 49 kmHigh 28.2°C · Low 22.2°C · 225 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 Busan) is explained once on the Busan year overview and on the Sources, method and limits page.