Mild
Average highs are around 22°C, so days are mild rather than hot.
May verdict
South Korea in May
Weather score50Mixed
Mixed for holiday weather
Average highs are around 22°C, so days are mild rather than hot. Sunshine averages 7.8h per day, enough for a balanced month. Rainfall averages 101mm, so some wet days are possible.
May weather
Monthly averages
Temp
22°C
Rain
101mm
Sun
7.8h
Sea
12°C
Weather score
50
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 101mm, so some wet days are possible.
Some sun
Sunshine averages 7.8h per day, enough for a balanced month.
Cool sea
Sea temperatures average 12°C, so the water can feel cool.
Map
Weather map
Compare South Korea with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May22°C average high
May sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
May101mm average rain
May sits on the drier side of South Korea's year, which helps with sightseeing and transfers.
Driest monthsJanuary to May and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May7.8 hours average sun
May is one of South Korea's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsApril to May
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
May12°C average sea
May is below South Korea's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to September
Sea temperatures are usually near 18°C in this stretch, so swimming comfort is at its strongest.
Weather score
May50 weather score
May sits close to South Korea's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJune to September
These months have the strongest weather score in the monthly averages.
