Seoul Weather in April: What to Expect
In April, Seoul averages highs of 17.7°C and lows of 6.4°C, with about 7 rainy days (~64 mm). Verdict: Good — comfortable — manageable 17.7°C days. That makes it the 2nd hottest of South Korea's 6 main cities this month.
April in Seoul offers pleasantly mild days, feeling comfortably warm with an average high of 17.7°C, making it ideal for exploring outdoor attractions like Changdeokgung and Gyeongbokgung. Evenings cool considerably to 6.4°C, so a light jacket is essential after sunset. With around seven rainy days, do carry a compact umbrella. Given Seoul is the second-warmest city in South Korea this month, plan your outdoor excursions for the late morning to early afternoon to enjoy the best of the weather.
Seoul vs other South Korea cities in April
South Korea is not one climate. In April, Gyeongju runs to 19°C while Incheon sits at 15.8°C — a 3°C spread. Here is where Seoul falls:
What to pack for Seoul in April
With highs near 17.7°C and lows around 6.4°C, pack layers — a light jacket for mornings and evenings, a warm fleece or down layer for cold nights.
What to do in Seoul in April
April's weather suits sightseeing through the day. Top sights:
Seoul in April — FAQs
What is the weather like in Seoul in April?
In April, Seoul averages daytime highs of 17.7°C and overnight lows around 6.4°C, with roughly 7 rainy days and about 64 mm of rain across the month. Good — comfortable — manageable 17.7°C days.
Is April a good time to visit Seoul?
Good — comfortable. April is comfortable enough for full-day sightseeing in Seoul. Among South Korea's cities, Seoul is the 2nd hottest this month.
What should I pack for Seoul in April?
For April (6.4–17.7°C), pack layers — a light jacket for mornings and evenings, a warm fleece or down layer for cold nights.
What is there to do in Seoul in April?
Seoul's main sights include Changdeokgung, Gyeongbokgung, Hwaseong Fortress, Namsan Seoul Tower. The weather suits visiting these comfortably through the day.
Seoul weather by month: