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Draft data. Times, fares and step counts are desk estimates awaiting field checks. Unknown times stay unknown. How we verify

When to go · Seoul

Seoul in April

Great month. Blossoms and mild; palaces are busy.

Key facts

Verdict
Great
Temperature
18° / 7°
average high / low
Rain days
9
Crowds
High
South Korea overall
Prices
High
South Korea overall

Verdict

GreatVoykit month rating for Seoul

Blossoms and mild; palaces are busy.

Weather in April

Long-term averages
  • SeoulHighs around 18 °C, lows around 7 °C, rain on about 9 days
  • Seoul and north-west, South Korea · Seoul, Incheon, Suwon, the DMZbest weather

    Continental: dry winters down to −15 °C on cold snaps, hot humid summers. Fine dust (yellow dust and pollution) peaks Mar–Apr; the monsoon runs late Jun – Jul.

Spring season

Cherry blossoms in early April, azaleas on the hills, the Lotus Lantern parade.

Watch: Fine and yellow dust days; blossom-week crowds and hotel prices.

Festivals and holidays

Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.

  • Fine and yellow dust season

    March to May · Whole city

    Some days the air quality index is unhealthy: move outdoor plans and wear a KF94 mask.

  • Cherry blossoms check

    About the first two weeks of April · Yeouido Yunjung-ro, Seokchon Lake, palaces, Namsan

    Weekend crowds and road closures at Yeouido; hotel prices climb.

  • Royal Culture Festival check

    Spring (and some autumn events) · The five palaces and Jongmyo

    Re-enactments, concerts and night openings; some events need online booking.

  • Lotus Lantern Festival check

    The weekend before Buddha's Birthday · Dongdaemun to Jogyesa along Jongno

    Evening lantern parade on the Saturday; street festival by Jogyesa on the Sunday.

Crowds and prices

Crowds · South Korea overall
High
Prices · South Korea overall
High

South Korea overall: Cherry blossom in Seoul and Gyeongju early in the month; dust days still happen.

High-price month: see what to book ahead.

What to pack

  • A warm layer for the evenings

Build the full packing list for your trip →

Across South Korea in April →