Mild
Average highs are around 21°C, so days are mild rather than hot.
October verdict
Jeju-do, South Korea in October
Weather score56Good
Good for holiday weather
Average highs are around 21°C, so days are mild rather than hot. Sunshine averages 6.5h per day, enough for a balanced month. Rainfall averages 73mm, which is relatively low for holiday planning.
October weather
Monthly averages
Temp
21°C
Rain
73mm
Sun
6.5h
Sea
24°C
Weather score
56
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 73mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6.5h per day, enough for a balanced month.
Swimmable
Sea temperatures average 24°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
October21°C average high
October is close to Jeju-do's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJuly to September
This stretch sets the upper range for average daytime heat.
Rain
October73mm average rain
October sits on the drier side of Jeju-do's year, which helps with sightseeing and transfers.
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
October6.5 hours average sun
October is brighter than Jeju-do's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsMay and August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
October24°C average sea
October 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
October56 weather score
October 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.
