MyCruiseForecast

Yamaguchi, Japan

Shimonoseki cruise weather by month

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

Weather in Shimonoseki by month

Average highs run from 48°F (9°C) in February to 88°F (31°C) in August. Rain falls on the fewest days in October 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
January49 / 39°F9 / 4°C32%15 mph24 km/h54°F12°C2 ft (0.5 m)Smooth; rougher days up to 3 ft
February48 / 39°F9 / 4°C32%15 mph24 km/h53°F11°C2 ft (0.5 m)Slight; rougher days up to 3 ft
March57 / 45°F14 / 7°C38%14 mph22 km/h55°F13°C1 ft (0.4 m)Smooth; rougher days up to 3 ft
April64 / 52°F18 / 11°C36%13 mph22 km/h61°F16°C1 ft (0.3 m)Smooth; rougher days up to 2 ft
May70 / 59°F21 / 15°C34%13 mph22 km/h–1 ft (0.3 m)Smooth; rougher days up to 2 ft
June77 / 68°F25 / 20°C49%13 mph21 km/h–1 ft (0.3 m)Smooth; rougher days up to 2 ft
July86 / 77°F30 / 25°C55%13 mph21 km/h–1 ft (0.3 m)Smooth; rougher days up to 1 ft
August88 / 79°F31 / 26°C52%13 mph21 km/h–1 ft (0.3 m)Smooth; rougher days up to 2 ft
September84 / 75°F29 / 24°C40%13 mph21 km/h–1 ft (0.3 m)Smooth; rougher days up to 2 ft
October72 / 63°F22 / 17°C27%13 mph21 km/h74°F23°C1 ft (0.4 m)Smooth; rougher days up to 3 ft
November63 / 53°F17 / 12°C31%14 mph23 km/h66°F19°C1 ft (0.4 m)Smooth; rougher days up to 3 ft
December52 / 43°F11 / 6°C27%16 mph26 km/h58°F15°C2 ft (0.6 m)Slight; rougher days up to 3 ft

Check the forecast for your sailing

Upcoming cruises in Shimonoseki

1 ship from 1 cruise line is scheduled here, 1 visit in total. The next 1:

DateShipStopSailing
Fri, Nov 62026Norwegian JadeNorwegian Cruise LineCalls14 nights from Tokyo

Ships that visit Shimonoseki

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.