MyCruiseForecast

Jeollanam-do, South Korea

Yeosu cruise weather by month

What to expect when your ship is in Yeosu in any month: temperatures, how often it rains, wind, sea temperature and wave heights.

Weather in Yeosu by month

Average highs run from 45°F (7°C) in January to 88°F (31°C) in August. Rain falls on the fewest days in December and the most in July. Sea temperature and wave heights are for the water just off the port.

Typical conditions, 2022–2025 climate record (ECMWF). Rain days are days with at least 1 mm of rain or melted snow. These are averages, not a forecast.
MonthHigh / lowRain daysWindSea tempTypical seas
January45 / 30°F7 / -1°C12%13 mph21 km/h42°F6°C1 ft (0.3 m)Smooth; rougher days up to 2 ft
February46 / 32°F8 / 0°C24%14 mph23 km/h44°F7°C1 ft (0.3 m)Smooth; rougher days up to 2 ft
March57 / 40°F14 / 4°C24%14 mph22 km/h50°F10°C1 ft (0.3 m)Smooth; rougher days up to 2 ft
April65 / 49°F19 / 10°C28%13 mph21 km/h59°F15°C1 ft (0.2 m)Smooth; rougher days up to 2 ft
May73 / 56°F23 / 14°C29%11 mph19 km/h–1 ft (0.2 m)Smooth; rougher days up to 2 ft
June81 / 67°F27 / 19°C36%11 mph19 km/h–1 ft (0.2 m)Smooth; rougher days up to 1 ft
July86 / 75°F30 / 24°C50%11 mph18 km/h–1 ft (0.3 m)Smooth; rougher days up to 2 ft
August88 / 76°F31 / 24°C49%11 mph17 km/h–1 ft (0.2 m)Smooth; rougher days up to 2 ft
September83 / 71°F29 / 22°C43%11 mph18 km/h–1 ft (0.2 m)Smooth; rougher days up to 2 ft
October71 / 57°F21 / 14°C18%11 mph19 km/h71°F22°C1 ft (0.2 m)Smooth; rougher days up to 2 ft
November60 / 46°F16 / 8°C16%12 mph20 km/h61°F16°C1 ft (0.2 m)Smooth; rougher days up to 2 ft
December47 / 34°F8 / 1°C9%13 mph21 km/h50°F10°C1 ft (0.3 m)Smooth; rougher days up to 2 ft

Check the forecast for your sailing

Upcoming cruises in Yeosu

2 ships from 2 cruise lines are scheduled here, 2 visits in total. The next 2:

DateShipStopSailing
Wed, Oct 142026Azamara PursuitAzamaraCalls14 nights from Tokyo
Fri, Oct 302026WesterdamHolland America LineCalls29 nights from Tokyo

Ships that visit Yeosu

Nearby cruise ports

Wave heights are significant wave height on the Douglas sea state scale. What the numbers mean for a cruise. Sources and method are on the about page.