World sea water temperatures

Water temperature in Cancun (QR) in July

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Is it warm enough to swim in Cancun in July? Average water temperature in Cancun in July is 84.2°F and therefore suitable for comfortable swimming. The warmest sea in Cancun in July is 86°F, and the coldest is 82.4°F. Average high air temperature in Cancun in July is 94°F, and average low temperature is 77°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Cancun

Changes water temperature in Cancun in July 2025, 2024

To get an accurate forecast for the water temperature in Cancun for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Cancun, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of July.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
July 183.8°F84.2°F82.6°F85.3°F
July 284°F84.9°F82.4°F85.5°F
July 383.7°F84.4°F82.4°F85.5°F
July 484°F84.6°F82.4°F85.1°F
July 583.8°F84.4°F82.4°F85.6°F
July 684°F84.6°F82.8°F85.5°F
July 784.2°F84.6°F82.9°F85.1°F
July 884°F84.9°F82.8°F85.1°F
July 984.2°F84.2°F82.8°F85.3°F
July 1084.2°F84.6°F82.4°F85.3°F
July 1184.4°F84.7°F82.8°F85.8°F
July 1284.4°F84.7°F82.8°F85.8°F
July 1384.4°F84.7°F82.9°F85.1°F
July 1484.7°F85.3°F83.3°F85.8°F
July 1584.7°F85.1°F83.3°F85.8°F
Day 2025 2024 Min Max
July 1684.4°F84.4°F83.3°F85.6°F
July 1784.6°F84.7°F83.1°F86°F
July 1884.7°F84.9°F83.8°F86°F
July 1984.6°F85.3°F83.5°F86°F
July 2084.9°F84.9°F83.5°F86°F
July 2184.9°F84.7°F83.1°F85.1°F
July 2284.9°F85.6°F83.5°F86°F
July 2385.1°F84.7°F83.3°F85.6°F
July 2485.5°F85.6°F82.9°F85.8°F
July 2585.3°F85.6°F83.5°F85.6°F
July 2685.3°F85.3°F83.5°F85.6°F
July 2784.9°F85.1°F83.5°F85.6°F
July 2884.7°F85.3°F83.5°F85.8°F
July 2984.7°F86°F83.8°F86°F
July 3085.3°F86°F83.8°F86°F
July 3185.1°F85.3°F83.3°F85.8°F
Cancun water temp chart in July

Average water temperature in Cancun in July over a decade

20162017201820192020
85.1°F84.4°F83.5°F84.4°F84.6°F
20212022202320242025
84°F84.4°F85.5°F84.9°F84.6°F

Cancun sea state in July

Chart comparing the height of waves in Cancun in July over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Waves height in Cancun in July

Weather and climate in Cancun in July

This data display average monthly climate indicators in Cancun in July based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip

  • Average HIGH temperature94°F
  • Average LOW temperature77°F
  • Average rainfall days9 days
  • Average rainfall79mm/3.1''
  • Average daylight13h
  • Average sunshine7h
  • Average UV index12

Cancun water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in July?

Want to know where the water temperature in July is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Temperature in neighboring cities

The nearest locations with the average water temperature in July. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Isla Mujeres84°F81.9°F85.8°F
Playa Norte84°F81.9°F85.8°F
Playa mujeres84°F81.9°F86°F
Isla Blanca84.2°F81.5°F86.9°F
Isla Contoy84°F81.3°F86.7°F
Puerto Morelos84.4°F82.2°F86°F
Riviera Maya84.4°F82.4°F86.5°F
Costa Mujeres84.6°F81°F88.3°F
Punta Maroma84.4°F82.2°F86°F
Mayakoba at Playa del Carmen84.4°F82.2°F86°F

Cancun photo gallery

  • Cancun
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  • Northern most point of the hotel zone Cancun. Sargassum is thick, waves are very high and dangerous.

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Cancun is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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