When to go · Seoul
Seoul in April
Great month. Blossoms and mild; palaces are busy.
Key facts
- Verdict
- Great
- Temperature
- 18°C (64°F)64°F (18°C) / 7°C (45°F)45°F (7°C)
- average high / low
- Rain days
- 9
- Crowds
- High
- South Korea overall
- Prices
- High
- South Korea overall
Verdict
Blossoms and mild; palaces are busy.
All twelve months in one grid — weather, crowds and prices, with gaps left as unknown.
Is another month better than April?
No other month rates higher than April for Seoul in this guide.
Weather in April
- SeoulHighs around 18 °C (64 °F), lows around 7 °C (45 °F), rain on about 9 daysHighs around 64 °F (18 °C), lows around 45 °F (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 (5 °F) on cold snaps, hot humid summers. Fine dust (yellow dust and pollution) peaks Mar–Apr; the monsoon runs late Jun – Jul.Continental: dry winters down to 5 °F (−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.
Compare two months
Weather, crowds and prices for any two months in Seoul, side by side.
Verdict
Apr: Great
May: Great
Daytime high
Apr: 18 °C (64 °F)64 °F (18 °C)
May: 24 °C (75 °F)75 °F (24 °C)
Night low
Apr: 7 °C (45 °F)45 °F (7 °C)
May: 13 °C (55 °F)55 °F (13 °C)
Rain days
Apr: 9 (better)
May: 10
Crowds
Apr: High
May: High
Prices
Apr: High
May: High
Festivals listed
Apr: 4
May: 5
April: Blossoms and mild; palaces are busy.
May: Warm and dry; a good month.
Seoul: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings