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Cozumel

Cozumel Average Monthly Travel Weather

Cozumel cruise ship
Cruise ships visit Cozumel more often in the spring.
The average weather in Cozumel is one of the warmest and wettest in the Caribbean for any month of the year.

Mexico's largest island draws millions of visitors every year because of its convenient location, great beaches, Mayan ruins and other tourist attractions.

Its popularity reaches a high point with western Caribbean cruises in the late winter and early spring during the dry season.

Popularity reaches a low point during the rainy season from late summer to late fall.

Cozumel Temperatures


The average monthly high temperature for the entire year is 88 degrees Fahrenheit or 31 degrees Celsius, according to Mexico's national meteorology service (Servicio Meteorológico Nacional). That average varies by only about three to four degrees each month.

The average high temperature reaches 90 degrees Fahrenheit or higher from April through September, according to historical data from the country's National Water Commission. It is one of the few destinations in the Caribbean where high temperatures exceed 90 degrees for five months in a row.

These high temperatures along with high humidity make Cozumel less appealing for cruise and beach visitors during this time of year.

Cozumel Climate Chart
MonthMean Temperature oF Mean Total Rainfall (mm) Mean Number of Rain Days
Daily
Minimum
Daily
Maximum
Jan 67 84 81 9
Feb67 84 60 7
Mar 69 88 32 4
Apr71 90 45 4
May 73 91 111 7
June75 90 192 13
July 74 91 116 12
Aug74 91 142 13
Sept 75 89 240 15
Oct74 87 243 16
Nov 71 86 123 11
Dec69 84 107 10
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This popular stop on western Caribbean cruises also has cooler weather than most destinations in the winter with average lows dropping below 70 degrees.

Nighttime usually brings the lowest temperatures to Cozumel. When the average low temperature reaches 67 degrees F in January and February, seawater temperatures make swimming a challenge for anyone who likes it warm.

High trade winds sometimes strike during the winter, which also can make swimming an uncomfortable experience. We saw few people in the water during our visit to the area one February.


Cozumel Rainy Season


Cozumel monthly rainfall
Cozumel monthly rainfall. © 2020 Scott S. Bateman
Cozumel also has one of the highest monthly rainfall averages in the Caribbean. That said, rainfall is low during the winter and spring months and often quite high during the late summer and fall months.

Mexico's largest island has a dry season, especially in March and April when the average rainfall averages less than two inches. Rainfall peaks at an average of nearly 10 inches in September and October during the annual Caribbean hurricane season.

Visitors also should plan on the average number of days that it rains during a month. Historically, they reach a low of only four days in March and April. They reach a high of 16 in October.

March and April are the best weather months to visit because of an ideal combination of temperatures and rainfalls, but they also are more expensive times to visit as a result.
Scott S. Bateman is a professional journalist who has traveled widely throughout the Caribbean and the Americas.

 > Category: Climate   

March 05, 2020
January, February, March, April, May, June, July, August, September, October, November, December"/>
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