Mild
Average highs are around 23°C, so days are mild rather than hot.
June verdict
Jeju-do, South Korea in June
Weather score46Mixed
Mixed for holiday weather
Average highs are around 23°C, so days are mild rather than hot. Sunshine averages 6.1h per day, enough for a balanced month. Rainfall averages 244mm, so showers are a real planning factor.
June weather
Monthly averages
Temp
23°C
Rain
244mm
Sun
6.1h
Sea
21°C
Weather score
46
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 244mm, so showers are a real planning factor.
Some sun
Sunshine averages 6.1h per day, enough for a balanced month.
Cool sea
Sea temperatures average 21°C, so the water can feel cool.
Map
Weather map
Compare Jeju-do, South Korea with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
June23°C average high
June sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJuly to September
This stretch sets the upper range for average daytime heat.
Rain
June244mm average rain
June 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
June6.1 hours average sun
June 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
June21°C average sea
June is close to Jeju-do's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJuly to September
Sea temperatures are usually near 25°C in this stretch, so swimming comfort is at its strongest.
Weather score
June46 weather score
June sits close to Jeju-do's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJuly to October
These months have the strongest weather score in the monthly averages.
