Cozumel Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Cozumel.
Climate overview of Cozumel
Cozumel, in Quintana Roo, Mexico, maintains fairly consistent warm temperatures throughout the year. The area has a relatively rainy climate with high precipitation levels, especially during the intense hurricane season months. This Caribbean island sits off the Yucatan coast where amazing diving and snorkeling make it one of Mexico's best underwater destinations. Let's explore all the climate details to give you a complete overview on when to visit.
Cozumel Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Cozumel - and find the best time to visit.
Monthly Temperature in Cozumel
In Cozumel temperatures are generally consistent throughout the year. On average, daytime temperatures range from a very warm 30°C (86°F) in August to a comfortable 27°C (81°F) in January.
Nighttime temperatures range from 27°C (81°F) in August to 24°C (75°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Cozumel
Cozumel experiences significant rainfall throughout the year, averaging 1268 mm (50 in) of precipitation annually. The seasons in Cozumel bring significant changes in precipitation. The wettest month, October, receives heavy rainfall, with an average of 225 mm (8.9 in) of precipitation. This rainfall is distributed across 14 rainy days.
In contrast, the driest month, March, experiences much less rainfall, totaling 33 mm (1.3 in) over 4 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Cozumel Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Cozumel
Cozumel enjoys sunny spells year-round. March sees up to 9.0 hours of daily sunshine, perfect for a sunny trip. September, the least sunny month, still offers a generous 6.7 hours of sun despite this cloudier time of the year.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Water Temperature in Cozumel
The mean water temperature over the year ranges from 26°C (79°F) in January to 29°C (84°F) in June.
Water temperature over the year
Best Time to Visit Cozumel
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: January, February, March, April, May and December
- Warmest weather: May, June, July, August, September and October
- Most sunshine: March
- Fewest rainy days: March and April
- Best for swimming: Any time of year. The sea stays pleasantly warm year-round.
- Wettest months: August, September, October and November, when rainfall is highest.
- Seasonal pattern: A distinct dry season from February to April
Frequently asked questions about the climate in Cozumel
What is the best time to visit Cozumel?
January, February, March, April, May and December typically offer the most optimal weather in Cozumel. In contrast, September tends to have less optimal conditions. Cozumel has a distinct dry season from February to April.
What temperatures can I expect in Cozumel?
Daytime highs range from 27°C (81°F) in January to 30°C (86°F) in August. Nighttime lows range from 24°C (75°F) to 27°C (81°F). Temperatures stay relatively stable year-round.
How much rain does Cozumel get?
Annual rainfall is around 1268 mm (50 in). October is the wettest month with 225 mm (8.9 in), while March is the driest with 33 mm (1.3 in).
How sunny is Cozumel?
Cozumel receives around 2,731 hours of sunshine per year. March is the sunniest month with 270 hours, while September is the cloudiest with just 202 hours. Overall, Cozumel enjoys abundant sunshine.
Cozumel 3-Day Forecast
Cozumel on the map
Cozumel is highlighted - select any city to see its climate.
Popular this month
Where to go in August - average daytime high across popular destinations.
Puerto Peñasco
35°C (95°F) Los Cabos34°C (93°F) Playa del Carmen
31°C (88°F) Tulum31°C (88°F) Cancún
31°C (88°F) Puerto Vallarta
30°C (86°F) San Miguel de Allende28°C (82°F) Mexico City23°C (73°F) 
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Explore the Majestic Copper Canyons of Mexico
Explore the vast Copper Canyons in Chihuahua, Mexico—larger than the Grand Canyon. Discover scenic train rides, hikes, and the Tarahumara people.
These are the most beautiful Mayan ruins and Mayan temples in Mexico
Mexico is a destination where you can immerse yourself in ancient cultures and civilizations. In this article we have listed our favorite Mayan ruins.
Tips, to-do's and nicest restaurants in Mexico City
Mexico City, one of the most famous and notorious cities of the world. The best time to visit is between March and May, but it can be visited year round.
Zihuatanejo: A Pacific paradise with beautiful beaches
Zihuatanejo has some of Mexico's top beaches. Unlike other off-the-beaten-path destinations in Mexico, Zihua is very accessible and sustainable.