Korea Travel Weather Will it rain on your Korea trip?

Jeju City weather in July: what to wear and pack

July is the 4th rainiest month of the year in Jeju City. On average it rains on 9 of 31 days, with highs of 30°C (85°F) and lows of 24°C (75°F).

Trip rating: Good (74/100) · Best months: May–June and October

30°C (85°F)High

24°C (75°F)Low

9Rainy days

207 mmRainfall

75%Humidity

24°C (75°F)Sea

Rainy day = 1 mm or more of rain. Of these, about 5 days get 10 mm or more. Average of the last 30 years.

What to wear in Jeju City in July

Light summer clothes: T-shirts, shorts and breathable fabrics. Nights stay warm, but air conditioning indoors can be strong.

What to pack

Compact umbrella — rain on about 9 days this month
Sunscreen, sunglasses and a hat — strong summer sun
Quick-dry clothes and a spare shirt — humid and sticky
Swimwear and a rash guard — sea water around 24°C (75°F) — cool but swimmable
Plug adapter (if needed) — Korea uses 220V with Type C/F round two-pin sockets

Compared with nearby months

Rain is similar to June.

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 July 2027

Jul 17 — Constitution Day
Jul 19 — Alternative holiday for Constitution Day

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 5:34, sunset 19:44 on July 15 (local time) — about 14 h 10 min of daylight.

Observed at Korea Meteorological Administration (KMA) station 184, 1996–2025 daily records. Sea temperature: ERA5 (Copernicus), daily mean just offshore. How we calculate