Warm
Average highs sit around 28°C, giving warm days by monthly-average standards.
August verdict
Jeju-do, South Korea in August
Weather score66Good
Good for holiday weather
Average highs sit around 28°C, giving warm days by monthly-average standards. Sunshine averages 7.5h per day, enough for a balanced month. Rainfall averages 217mm, so showers are a real planning factor.
August weather
Monthly averages
Temp
28°C
Rain
217mm
Sun
7.5h
Sea
27°C
Weather score
66
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 217mm, so showers are a real planning factor.
Some sun
Sunshine averages 7.5h per day, enough for a balanced month.
Warm sea
Sea temperatures average 27°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Jeju-do, South Korea with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August28°C average high
August is one of Jeju-do's warmest months, with daytime heat above the yearly average.
Warmest monthsJuly to September
This stretch sets the upper range for average daytime heat.
Rain
August217mm average rain
August is wetter than Jeju-do's yearly average, so flexible plans matter more.
Driest monthsJanuary to March and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August7.5 hours average sun
August is one of Jeju-do's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsMay and August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August27°C average sea
August is one of Jeju-do's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to September
Sea temperatures are usually near 25°C in this stretch, so swimming comfort is at its strongest.
Weather score
August66 weather score
August is one of Jeju-do's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJuly to October
These months have the strongest weather score in the monthly averages.
