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Cancun

Cancun Average Monthly Weather

It Has Hotter Summers and Cooler Winters Than Most Caribbean Destinations
Cancun beach
Cancun beaches are chilly at times during the winter.
Cancun's average monthly weather is unusual because it is both warmer and rainier than most major Caribbean destinations.

This tourist mecca on the east coast of Mexico is the second most popular vacation destination in the Caribbean.

Besides its warmth, Cancun has a large number of luxurious hotels, fine restaurants, shopping, nightlife and attractions.

Not every month is a good month to visit. We were surprised at the chill during a February visit. Trade winds plus chilly seawater kept overone on land. Fortunately, our pool was well heated.

Average Temperatures


Cancun weather has an average monthly daytime temperature of about 88 degrees Fahrenheit or 31 Celsius, according to Mexico's National Water Commission.

Cancun Climate Chart
MonthMean Temperature oF Mean Total Rainfall (mm) Mean Number of Rain Days
Daily
Minimum
Daily
Maximum
Jan 69.1 82.2 136.4 10.5
Feb69.3 83.7 45.7 5.4
Mar 70.7 85.8 52.7 5.4
Apr74.1 88.7 37.9 4.1
May 75.9 90.9 88.0 6.6
June77.4 91.4 137.5 11.1
July 77.4 92.1 57.0 8.8
Aug76.6 92.5 109.5 10.0
Sept 76.5 90.9 224.6 14.0
Oct74.8 87.8 221.1 16.3
Nov 72.9 85.3 131.6 12.4
Dec70.282.8 95.7 10.6
Source: World Meteorological Organization
It exceeds 90 degrees Fahrenheit or 32 Celsius from May through September. These average daytime highs make Cancun one of the warmest locations among popular Caribbean places to visit -- during the summer. July and August are especially hot. The average monthly nighttime temperature is less than 74 degrees.

Average highs reach 82 Fahrenheit and average lows drop to 69 Fahrenheit in January and February. These low nighttime temperatures cool the sea temperatures and often make swimming too chilly, especially in the mornings. But winter visitors who want to swim shouldn’t despair. Some warmer afternoon temperatures and weak trade winds may make swimming possible.

Average Rainfall


Rainfall totals more than 50 inches annually -- similar to an island such as St. Lucia. But it rains much less in the spring and much more in the fall than the typical destination. In fact, it rains nearly nine inches a month in both September and October.

Those two months receive the worst weather of the Caribbean's annual hurricane season, which officially lasts from June 1 to Nov. 30. It rains on average about five days a month from February through May and up to 16 days in October.

The most popular months to visit Cancun are March, June, July and December, according to the Caribbean Tourism Organization. The least popular are January (cool weather and water), September and October (heavy rains).

Vacationers will find that most months are fine for visiting Cancun. But March through May are the best weather months for an ideal combination of rain and temperatures.

• Weather in
January,
February,
March,
April,
May,
June,
July,
August,
September,
October,
November,
December
Scott S. Bateman is a professional journalist who has traveled widely throughout the Caribbean and the Americas.

 > Category: Climate   Cancun   

June 15, 2020
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