Cancún
Mexico
Long-term weather forecast
Long-term weather forecast

August 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
August is the hottest month of the year and tips the scale at 34°C (93.2°F). At nighttime, the minimal clothing is needed. There are 149.9mm (5.9") of rain from 13 days of a downpour. The humidity level is at a peak of 100%.
Escape from the humidity and catch some waves, with the sea is at 29°C (84.2°F) interact with turtles and other marine life. Spend 11 hours of daylight at the coastline spotting giant whale sharks as they glide on the water.

What is the warmest month in Cancún?

August is the warmest month in Cancún, with an average high-temperature of 34.8°C (94.6°F) and an average low-temperature of 24.6°C (76.3°F).

What is the temperature in August in Cancún?

In Cancún, Mexico, in August, the average high-temperature is 34.8°C (94.6°F), and the average low-temperature is 24.6°C (76.3°F).

How many days does it rain in August in Cancún?

In Cancún, Mexico, in August, it is raining for 9.7 days, with typically 87.5mm (3.4") of accumulated precipitation.

What is the month with the warmest sea water in Cancún?

With an average sea temperature of 29.4°C (84.9°F), August is the month with the warmest seawater in Cancún, Mexico.

What is the sea water temperature in August in Cancún?

In Cancún, Mexico, the average seawater temperature in August is 29.4°C (84.9°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

How many hours of daylight does Cancún have in August?

In Cancún, the average length of the day in August is 12.8h.

How many hours of sunshine does Cancún have in August?

In August, the average sunshine is 7h.

What is the month with the highest UV index in Cancún?

April through August, with an average maximum UV index of 12, are months with the highest UV index in Cancún.

What is the UV index intensity in August in Cancún?

The average daily maximum UV index in August in Cancún, Mexico, is 12. A UV Index of 11, and more, symbolizes an extreme health vulnerability from the exposure to the Sun's UV radiation.
Average temperature in August - Cancún, Mexico
  • Average high temperature in August: 34.8°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 August: 24.6°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 August - Cancún, Mexico
  • Average rainfall in August: 87.5mm

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 August - Cancún, Mexico
  • Average rainfall days in August: 9.7 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 August - Cancún, Mexico
  • Average sea temperature in August: 29.4°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 August / Average sunshine in August - Cancún, Mexico
  • Average daylight in August: 12.8h

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 August: 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 August - Cancún, Mexico
  • Average UV index in August: 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).