Jeju Weather in April: What to Expect
In April, Jeju averages highs of 17.3°C and lows of 10.9°C, with about 11 rainy days (~140 mm). Verdict: Good — comfortable — manageable 17.3°C days. That makes it the 4th hottest of South Korea's 6 main cities this month.
Jeju 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 Jeju falls:
What to pack for Jeju in April
With highs near 17.3°C and lows around 10.9°C, pack layers — a light jacket for mornings and evenings, a compact umbrella or rain shell.
Jeju is on the coast — add swimwear; the water can feel cool for swimming this month.
What to do in Jeju in April
April's weather suits sightseeing through the day. Top sights:
Jeju in April — FAQs
What is the weather like in Jeju in April?
In April, Jeju averages daytime highs of 17.3°C and overnight lows around 10.9°C, with roughly 11 rainy days and about 140 mm of rain across the month. Good — comfortable — manageable 17.3°C days.
Is April a good time to visit Jeju?
Good — comfortable. April is comfortable enough for full-day sightseeing in Jeju. Among South Korea's cities, Jeju is the 4th hottest this month.
What should I pack for Jeju in April?
For April (10.9–17.3°C), pack layers — a light jacket for mornings and evenings, a compact umbrella or rain shell.
What is there to do in Jeju in April?
Jeju's main sights include Jeju Volcanic Island and Lava Tubes, Hallasan National Park, Dadohaehaesang National Park. The weather suits visiting these comfortably through the day.
Jeju weather by month: