Verdict: Good month
Jeju Weather in March
March is mild-to-cool in Jeju, topping out near 14°C (57°F) — comfortable with a layer on. Expect showers on roughly 13 days of the month — rarely trip-ruining, worth planning around. Overall, March is a solid month to visit Jeju.
Average high
14°C / 57°F
Average low
7°C / 45°F
Rain days
~13
Precipitation
152 mm
What to pack for Jeju in March
- Layers — t-shirts under a light jacket or sweater
- Rain gear is non-negotiable — expect rain on roughly 13 days
- Comfortable walking shoes — every guide on this site assumes you'll use them
March against the rest of the year
Warmest in Jeju: Aug (30°C / 86°F) · Coolest: Jan (8°C / 46°F) · Wettest: Jul (~20 rain days)
8°
3°
Jan
10°
4°
Feb
14°
7°
Mar
17°
11°
Apr
22°
15°
May
25°
20°
Jun
29°
24°
Jul
30°
25°
Aug
26°
22°
Sep
21°
16°
Oct
16°
11°
Nov
9°
5°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)