July weather forecast and climate
Cancún, Mexico

White buildings on the white sandy beach in sharp contrast of the clear blue waters on a beach in Cancún, Mexico
White buildings on the white sandy beach in sharp contrast of the clear blue waters on a beach in Cancún, Mexico
The heat is on as summer hits its stride. The highs of 33°C (91.4°F) give a lot of heat perfect for sun lovers. Bring along sun cream to protect the skin from the extreme UV levels.
The sea temperature is 28°C (82.4°F), a welcome relief for those who want to escape from the scorching heat and high humidity. The 11 hours of daylight is more than enough to visit famous sites and explore the surrounding. Get a reprieve from the boiling heat with a wind breeze of 40.6km/h (25.2mph).

What is the temperature in July in Cancún?

In Cancún, in July, the average high-temperature is 34.3°C (93.7°F), and the average low-temperature is 24.8°C (76.6°F).

How many days does it rain in July in Cancún?

In Cancún, during July, the rain falls for 9.3 days and regularly aggregates up to 77.9mm (3.1") of precipitation.

What is the sea water temperature in July in Cancún?

In July, in Cancún, Mexico, the average sea temperature is 28.8°C (83.8°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.
Average temperature in July - Cancún, Mexico
  • Average high temperature in July: 34.3°C

The warmest month (with the highest average high temperature) is August (34.8°C).
The month with the lowest average high temperature is January (28.3°C).

  • Average low temperature in July: 24.8°C

The month with the highest average low temperature is July (24.8°C).
The coldest month (with the lowest average low temperature) is January (19.8°C).

Average rainfall in July - Cancún, Mexico
  • Average rainfall in July: 77.9mm

The wettest month (with the highest rainfall) is October (271.9mm).
The driest month (with the lowest rainfall) is April (41.2mm).

Average rainfall days in July - Cancún, Mexico
  • Average rainfall days in July: 9.3 days

The month with the highest number of rainy days is October (16.4 days).
The month with the lowest number of rainy days is April (4.1 days).

Average sea temperature in July - Cancún, Mexico
  • Average sea temperature in July: 28.8°C

The best month for swimming (with the highest average sea temperature) is August (29.4°C).
The coldest month (with the lowest average sea temperature) is January (25.6°C).

Average daylight in July / Average sunshine in July - Cancún, Mexico
  • Average daylight in July: 13.3h

The month with the longest days is June (Average daylight: 13.4h).
The month with shortest days is December (Average daylight: 10.9h).

  • Average sunshine in July: 7h

Months with most sunshine are March, April and May (Average sunshine: 8h).
Months with least sunshine are January, September, November and December (Average sunshine: 6).

Average UV index in July - Cancún, Mexico
  • Average UV index in July: 12

Months with the highest UV index are April, May, June, July and August (UV index 12).
Months with the lowest UV index are January and December (UV index 7).

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