Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
July verdict
Jeju-do, South Korea in July
Weather score59Good
Good for holiday weather
Average highs sit around 27°C, giving warm days by monthly-average standards. Sunshine averages 6.2h per day, enough for a balanced month. Rainfall averages 263mm, so showers are a real planning factor.
July weather
Monthly averages
Temp
27°C
Rain
263mm
Sun
6.2h
Sea
25°C
Weather score
59
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 263mm, so showers are a real planning factor.
Some sun
Sunshine averages 6.2h per day, enough for a balanced month.
Swimmable
Sea temperatures average 25°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Jeju-do, South Korea with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
July27°C average high
July 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
July263mm average rain
July is one of Jeju-do's wettest months, so rain is likely to be a major planning factor.
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
July6.2 hours average sun
July sits close to Jeju-do's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMay and August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
July25°C average sea
July sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJuly to September
Sea temperatures are usually near 25°C in this stretch, so swimming comfort is at its strongest.
Weather score
July59 weather score
July scores above Jeju-do's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJuly to October
These months have the strongest weather score in the monthly averages.
