Korea Travel Weather Will it rain on your Korea trip?

Yeosu weather in May: what to wear and pack

May is the 4th rainiest month of the year in Yeosu. On average it rains on 7 of 31 days, with highs of 22°C (71°F) and lows of 15°C (59°F).

Trip rating: Great (90/100) · Best months: May and September–October

22°C (71°F)High

15°C (59°F)Low

7Rainy days

144 mmRainfall

63%Humidity

16°C (61°F)Sea

Rainy day = 1 mm or more of rain. Of these, about 4 days get 10 mm or more. Average of the last 30 years.

What to wear in Yeosu in May

Long sleeves and a light jacket or cardigan.

What to pack

Compact umbrella — rain on about 7 days this month
Plug adapter (if needed) — Korea uses 220V with Type C/F round two-pin sockets

Compared with nearby months

Rain is similar to April.

Better weather elsewhere in Korea in May

Gyeongju in May — Fewer heavy-rain days (6 rainy days, high 26°C (78°F))
Gangneung in May — Fewer heavy-rain days (6 rainy days, high 23°C (74°F))
Sokcho in May — Fewer heavy-rain days (6 rainy days, high 21°C (70°F))

Will it rain on your travel dates?

Pick your arrival and departure dates. We look up the same dates over the last 30 years.

Public holidays in May 2027

May 1 — Labor Day
May 3 — Alternative holiday for Labor Day
May 5 — Children's Day
May 13 — Buddha's Birthday

Korea travel basics

Time zone	Korea Standard Time (UTC+9), no daylight saving
Power	220V, 60Hz, Type C/F (round two-pin) sockets
Money	Korean won (KRW). Cards are accepted almost everywhere
Entry	Visa and K-ETA rules change — check the official K-ETA site and your government's travel advice

Sunrise 5:26, sunset 19:24 on May 15 (local time) — about 13 h 58 min of daylight.

Observed at Korea Meteorological Administration (KMA) station 168, 1996–2025 daily records. Sea temperature: ERA5 (Copernicus), daily mean just offshore. How we calculate