An Overview Of Cozumel Mexico Water Temperatures

What Are Cozumel Mexico Water Temperatures?
What Are Cozumel Mexico Water Temperatures?
Cozumel’s warm waters make diving comfortable with light garments like rash guards or just a wetsuit top; however, this decision depends on your individual comfort levels during and post-dive.
Western Caribbean cruise visitors enjoy a dry season that typically begins in January. Rainfall usually falls at three inches on average, while high temperatures average 84 degrees, providing comfortable cruise experiences for cruise ship visitors.
Table Of Contents
- What Is the Water Temperature In January In Cozumel, Mexico?
- What Is the Water Temperature In February In Cozumel, Mexico?
- What Is the Water Temperature In March In Cozumel, Mexico?
- What Is the Water Temperature In April In Cozumel, Mexico?
- What Is the Water Temperature In June In Cozumel, Mexico?
- What Is the Water Temperature In July In Cozumel, Mexico?
- What Is the Water Temperature In August In Cozumel, Mexico?
- What Is the Water Temperature In September In Cozumel, Mexico?
- What Is the Water Temperature In October In Cozumel, Mexico?
- What Is the Water Temperature In November In Cozumel, Mexico?
What Is the Water Temperature In January In Cozumel, Mexico?
Cozumel welcomes many western Caribbean cruise visitors each January when its dry season commences when temperatures remain sunny with just manageable rainfall levels and temperatures peaking at their highest points.
February brings with it slightly lower temperatures and humidity levels, yet is still an ideal month for diving in Cozumel.
March and April see an ongoing pattern of warm temperatures, low humidity levels, and limited rainy days – in fact, they have the least number of rainfall days of any month in 2018.
Hurricane season may present a risk during these months, yet visitors willing to take the chance are rewarded with empty beaches, lower hotel and tour prices, and warmer water temperatures than normal – making now an excellent time for exploring Cozumel’s underwater treasures!

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What Is the Water Temperature In February In Cozumel, Mexico?
What Are Cozumel Mexico Water Temperatures?
What are Cozumel Mexico water temperatures? Visit Cozumel in February for warm temperatures, low humidity levels, and little chance of rainfall. February marks the conclusion of spotted eagle ray season and is, therefore an ideal month for spring break vacations.
Cozumel’s water temperature slowly increases during March as rainfall decreases, making this month comfortable yet not as hot as May and June.
Cozumel’s water temperatures reach an 84-degree Fahrenheit mark between April and May. Divers can wear either a light wetsuit or even just a rash guard during these months for optimal diving conditions.
What Is the Water Temperature In March In Cozumel, Mexico?
February and March offer the ideal conditions to experience Cozumel during its warmest weather. Scuba divers may enjoy diving using only dive skins, shorty wetsuits, or rash guards, while those wanting an additional layer can opt for a 3mm full wetsuit with a hood or heavier socks and booties for warmer waters. In these months also come Cozumel Carnaval parades; expect lively competition between King and Queen candidates, lavish parades, and public performances as one would find at any major carnival anywhere around the globe!
Rainfall increases slightly from January and February, yet days with rain remain below four per year – making March an excellent opportunity to experience the Caribbean at its finest like thousands of repeat visitors do every year.

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What Is the Water Temperature In April In Cozumel, Mexico?
What are Cozumel Mexico water temperatures? April is an ideal time to visit Cozumel due to the warm temperatures and lower risk of rain; temperatures don’t quite match those seen during summertime visits, and it is far less crowded than other Caribbean destinations like Jamaica or Dominican Republic.
Temperatures continue to gradually increase in May, though still within comfortable parameters. Rain season begins in June and should not be planned into a Caribbean cruise itinerary due to high humidity and the likelihood of heavy showers.
July weather can be hot and humid, with little relief from rain showers compared to hurricane season; however, August sees temperatures rising rapidly despite an increased risk for storms than other months.
What Is the Water Temperature In June In Cozumel, Mexico?
January and February are typically the hottest months, while April is an ideal month to visit Cozumel as it sees rainfall recede and temperatures begin to increase.
By May, rainfall begins to decrease significantly while temperatures average 90 degrees Fahrenheit daily.
Rainfall increases significantly during September due to hurricane season; historically speaking, September usually features the highest rain days of any month in the year. Therefore, it is wise to monitor 10-day forecasts when planning trips to Cozumel; even in wetter months, you can still enjoy warm water dives under sunny skies.

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What Is the Water Temperature In July In Cozumel, Mexico?
Through July brings hot, dry Caribbean weather, it is also hurricane season; as such, it is wise to monitor any warnings of impending hurricanes closely. Also, note that Cozumel hotel rates reached their peak this month!
Even though light suits can be worn all year, most scuba divers prefer 3mm or 5mm suits during summer dives due to longer surface intervals between dives and needing time to reacclimate back into them after entering cooler water.
September and October are typically Cozumel’s rainiest months, with afternoon thunderstorms lasting an hour each. Water temperatures remain warm, however and this makes an ideal time for diving – although swimming alone should be avoided as sharks may be more active at this time of year.
What Is the Water Temperature In August In Cozumel, Mexico?
Cozumel’s ideal time of year to visit is from March to May when temperatures are ideal but not too hot, and rain is rare – though beware that prices will likely increase during this peak season!
Winter temperatures range from mid-November to mid-March and can bring with them cooler temperatures and some rainfall when the wind from the north blows, and will still allow you to swim while providing some UVA/UVB radiation protection. To stay safe when out there swimming during this season, you may require an elastane rashguard or light wetsuit top as a safety measure.
Summer brings hot and humid conditions, but crowds tend to be smaller than during other seasons, and there are still a wealth of activities for you to enjoy, such as small group tours, diving, and visits to Jade Cavern. La Hach pub serves up delicious beer and food – check it out if you get a chance!
What Is the Water Temperature In September In Cozumel, Mexico?
September marks the start of cooler temperatures while still remaining sunny and warm. September also marks part of hurricane season, so it is wise to pay attention to any warnings about potential storms.
September is typically an excellent month to enjoy outdoor activities on Cozumel, from sailing and diving to kayaking and beachcombing. Rainstorms may occur from time to time but don’t last too long, so this month should be full of outdoor adventure!
This chart displays Cozumel seawater temperatures during various months of the year, using open-water averages, which may differ slightly from beach surface temperatures close to shore. Data comes from satellite observations from NOAA; click any month name below the chart to access its exact numbers; additionally, yearly averages are displayed and updated every hour.
What Is the Water Temperature In October In Cozumel, Mexico?
As summer winds down, Cozumel experiences some of its worst weather. October typically features more rain days than any other month of the year and average rainfall totals an estimated 9.5 inches, making this month one of the wettest months in the Caribbean region.
As long as the rain doesn’t last more than an hour or two, outdoor activities remain possible.
At this time of day, marine animals will have come closer to shore, providing opportunities for incredible underwater photography. Average water temperatures average 82 degrees Fahrenheit for diving as well as swimming without needing a wetsuit.
What Is the Water Temperature In November In Cozumel, Mexico?
November in Cozumel is still warm, yet not nearly as hot as June through August. Swimming conditions average 83 degrees making for ideal swimming weather.
Rainfall tends to be lower in November compared to September and October; however, afternoon showers still occur frequently.
November is an excellent month to visit Cozumel as hurricane season winds down and the international Ironman Cozumel competition takes place. Additionally, national holidays such as Dia de los Muertos and Revolution Day make November particularly festive and hotel prices may be higher than during other months.

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