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Western Caribbean Cruise Weather: Best Times to Go

Cozumel monthly rainfall
Cozumel rainfall gets intense during fall months. © 2018 Scott S. Bateman

The best times to take a western Caribbean cruise are usually late spring to early summer.

Western Caribbean cruise weather is mild in the spring, hot in the summer and rainy in the fall.

The western Caribbean is made up of a small number of islands such as Cozumel, Jamaica, Roatan off Honduras and the Cayman Islands.

It also includes the Central American countries that face the Caribbean Sea, especially Panama, Belize and Costa Rica.

Most western Caribbean cruises include some combination of the above destinations.

Western Caribbean Temperatures

Most destinations have average high temperatures each month ranging from the mid-80s Fahrenheit in the winter to the high 80s and even low 90s in the summer.

Jamaica, the Cayman Islands, Cozumel and Panama have average high temperatures above 90 degrees Fahrenheit during the summer months. They are the warmest of the western Caribbean cruise destinations.

Belize and Costa Rica are not as warm in part because of the cooler rain forests and mountainous areas.

Average low temperatures for the region range from the mid 60s to the low 70s Fahrenheit in the winter to the mid 70s and sometimes higher in the summer.

Keep in mind that low air temperatures also mean low seawater temperatures for people who like swimming and sunbathing. The Cayman Islands have the coolest lows of any destination in the region.

Western Caribbean Hurricane Season

The annual western Caribbean hurricane season goes from June 1 to Nov. 30. The months with the most storms and hurricanes—usually two to four per month—are August, September and October. Most destinations have the highest rainfall in September and October.

Total rain can go as high as eight to 10 inches in a single month for places such as Cozumel, a popular cruise port of call. Costa Rica often has much more, but much of it falls inland rather than on the coast. Note that inland excursions such as the country’s popular zip lining have a high chance of rain.

Grand Cayman and Jamaica also have high amounts of rain historically from August through October, but not as much as Cozumel, Belize, Panama and Costa Rica.

Best Months to Go

The safest months for western Caribbean cruise weather are in the spring and summer for their combination of warm temperatures and relatively low amounts of rain.

The riskiest months are December through February because of cool temperatures and September and October because of heavy rain. However, the risky months also tend to have lower prices for cruises.

Even when forecasts call for rain, the rainfall may be brief and intense rather than long and steady. The forecast may call for rain when choosing a last-minute cruise, but the weather may still be good overall.

Scott S. Bateman is a professional journalist who has traveled widely throughout the Caribbean and the Americas. He is the author of four books about cruising in the Caribbean, Alaska and Mexican Riviera.
August 04, 2022

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