April verdict

Seoul, South Korea in April

Weather score35Poor

Poor for holiday weather

Average highs are around 17°C, so pack for cooler days. Sunshine averages 7.4h per day, enough for a balanced month. Rainfall averages 102mm, so some wet days are possible.

Seoul, South Korea, South Korea travel weather guide
Photo by cskkkk on Pixabay

April weather

Monthly averages

Temp

17°C

Rain

102mm

Sun

7.4h

Sea

8°C

Weather score

35

Poor

Seasonal climate calendar

TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score

Trip feel

Cool

Average highs are around 17°C, so pack for cooler days.

Showers

Rainfall averages 102mm, so some wet days are possible.

Some sun

Sunshine averages 7.4h per day, enough for a balanced month.

Cool sea

Sea temperatures average 8°C, so the water can feel cool.

Map

Weather map

Compare Seoul, South Korea with nearby places by weather score, rain, sun, temperature, and swim conditions.

Temperature

View on map

April17°C average high

April is close to Seoul's yearly temperature average, giving a typical read on daytime heat.

Warmest monthsMay to September

This stretch sets the upper range for average daytime heat.

April102mm average rain

April sits on the drier side of Seoul's year, which helps with sightseeing and transfers.

Driest monthsJanuary to June and October to December

This is the drier part of the year, when outdoor plans usually need less weather flexibility.

April7.4 hours average sun

April is brighter than Seoul's yearly average, though the strongest sunshine usually sits closer to the peak months.

Brightest monthsApril to June

This stretch has the strongest sunshine in the monthly averages.

Sea temperature

View on map

April8°C average sea

April is below Seoul's yearly sea-temperature average, so swimming can feel fresher.

Warmest seaJuly to October

Sea temperatures are usually near 20°C in this stretch, so swimming comfort is at its strongest.

Weather score

View on map

April35 weather score

April scores below Seoul's yearly average, so the weather trade-offs are more noticeable.

Best weather monthsJune and September

These months have the strongest weather score in the monthly averages.

Hotels in Seoul, South Korea