MyCruiseForecast

Princess Cruises · 12 nights

Diamond Princess weather: 12-night cruise from Singapore, January 2, 2027

The Diamond Princess (Princess Cruises) leaves Singapore on January 2, 2027 for a 12-night cruise, with stops in Klang (Kuala Lumpur), Langkawi, Penang, Phuket, Ko Samui and Laem Chabang (Bangkok). It returns to Singapore on January 14, 2027. Typical afternoon highs along the route run from 86°F to 89°F (30°C to 32°C), and 5 days are at sea, where seas are typically smooth (around 1 ft).

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This page shows typical conditions for these dates. The interactive forecast adds a live day-by-day forecast, wave heights and weather alerts as the sailing gets closer.

Day-by-day itinerary and typical weather

Typical conditions for each date (2006–2025 climate record, ECMWF). Sea-day figures are approximate, blended from the ports on either side. Not a forecast.
DayPortHigh / lowRain daysWindTypical seas
Day 1Sat, Jan 2Singapore Embark87 / 75°F31 / 24°C46%12 mph19 km/h–
Day 2Sun, Jan 3Klang (Kuala Lumpur)88 / 73°F31 / 23°C51%6 mph10 km/h–
Day 3Mon, Jan 4At sea89 / 74°F32 / 23°C44%6 mph9 km/h1 ft (0.2 m)Smooth; rougher days up to 1 ft
Day 4Tue, Jan 5Langkawi89 / 75°F32 / 24°C36%9 mph15 km/h–
Day 5Wed, Jan 6Penang89 / 75°F32 / 24°C49%7 mph11 km/h–
Day 6Thu, Jan 7Phuket89 / 76°F31 / 24°C45%10 mph16 km/h–
Day 7Fri, Jan 8Ko Samui86 / 75°F30 / 24°C44%11 mph17 km/h–
Day 8Sat, Jan 9At sea87 / 74°F31 / 23°C27%8 mph13 km/h1 ft (0.4 m)Smooth; rougher days up to 3 ft
Day 9Sun, Jan 10Laem Chabang (Bangkok)89 / 73°F32 / 23°C9%11 mph18 km/h–
Day 10Mon, Jan 11At sea88 / 74°F31 / 23°C28%9 mph14 km/h1 ft (0.3 m)Smooth; rougher days up to 2 ft
Day 11Tue, Jan 12At sea88 / 74°F31 / 23°C28%9 mph14 km/h1 ft (0.3 m)Smooth; rougher days up to 2 ft
Day 12Wed, Jan 13At sea88 / 74°F31 / 23°C28%9 mph14 km/h1 ft (0.3 m)Smooth; rougher days up to 2 ft
Day 13Thu, Jan 14Singapore Disembark87 / 75°F31 / 24°C46%12 mph19 km/h–

Seas are significant wave height, the average of the highest third of waves. What that means on board.

Ports on this cruise

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