Jeju Weather in March: What to Expect
In March, Jeju averages highs of 13.1°C and lows of 6.5°C, with about 12 rainy days (~122 mm). Verdict: Wet season — plan around rain — ~12 rainy days this month. That makes it the 3rd hottest of South Korea's 6 main cities this month.
March in Jeju offers pleasant daytime temperatures, feeling comfortably cool at 13.1°C, making midday the best time for exploring sights like Hallasan or the Lava Tubes. Evenings cool considerably to 6.5°C, so layer up if you plan to be out after sunset. Expect around 12 rainy days, often light showers, so a waterproof jacket is essential. As the third warmest South Korean city this month, Jeju avoids the harsh cold, making it ideal for coastal strolls. Pack layers and a compact umbrella to stay comfortable.
Jeju vs other South Korea cities in March
South Korea is not one climate. In March, Gyeongju runs to 13.9°C while Incheon sits at 10°C — a 4°C spread. Here is where Jeju falls:
What to pack for Jeju in March
With highs near 13.1°C and lows around 6.5°C, pack warm layers, a proper jacket, and closed shoes, a warm fleece or down layer for cold nights, 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 March
With 13.1°C midday highs, start outdoor sights early and keep afternoons for shaded or indoor stops. Top sights:
Public holidays in South Korea, March
- 2026-03-02 — Independence Movement Day
- 2027-03-01 — Independence Movement Day
Jeju in March — FAQs
What is the weather like in Jeju in March?
In March, Jeju averages daytime highs of 13.1°C and overnight lows around 6.5°C, with roughly 12 rainy days and about 122 mm of rain across the month. Wet season — plan around rain — ~12 rainy days this month.
Is March a good time to visit Jeju?
Wet season — plan around rain. Plan outdoor sights for early morning and keep midday for indoor or shaded activities. Among South Korea's cities, Jeju is the 3rd hottest this month.
What should I pack for Jeju in March?
For March (6.5–13.1°C), pack warm layers, a proper jacket, and closed shoes, a warm fleece or down layer for cold nights, a compact umbrella or rain shell.
What is there to do in Jeju in March?
Jeju's main sights include Jeju Volcanic Island and Lava Tubes, Hallasan National Park, Dadohaehaesang National Park. Time outdoor sites for early morning given the midday heat.
Are there public holidays in South Korea in March?
Yes — Independence Movement Day (2026-03-02), Independence Movement Day (2027-03-01). Sites can be busier or closed around these dates.
Jeju weather by month: