The temperature in Cancun in the summer is around 28°C with average highs of 34°C at midday and the early to mid-afternoon. September is the rainiest month of the year, expecting at least ten wet days with an average monthly rainfall of 270mm.
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Cancun's rainy season
The wet season in Cancun runs from May to September, but you shouldn't let this put you off.
December to April are the busiest months in Cancun with visitors coming from all over the world to vacation in one of the most beautiful spots in Mexico. Cancun's most ideal weather is from December to February with temperatures in the low 80s, sunny days, and low humidity.
Cancún's busiest period extends from winter to spring break (from December to as late as mid-April), which makes summer and autumn the least crowded times to visit. A higher chance of rain from June through November, largely due to hurricane season, tends to deter the crowds during those months.
The best time to go to Cancun is the shoulder months of April, May, November, and the beginning of December. The best weather in Cancun is between December and April. Rainy season in Cancun runs from May to October, which is the best time to visit Cancun on a budget.
When is rainy season in Cancun? The rainy season in Mexico runs from late August to November. It's rare to get a full day of rain however, as most showers only last for a few hours.
During the wet season, showers usually only last a few hours in the afternoon, but watch out for hurricanes when traveling to the coast in September and October. Expect a stunning array of natural and cultural attractions across the different regions when visiting Mexico.
While September and October's daytime temps stay pretty steady with summer averages, hotel rates take a dramatic dip and the rain factor skyrockets. These months are peak hurricane season and the wettest time of the year in Cancun (October specifically takes the honor of being the rainiest month).
While Cancun weather in October brings a lot of rain, tropical showers typically occur for brief periods and often at night. You'll likely experience the beautiful sunshine of Mexico on your trip to Cancun in October, alongside some cloudy days.
Yes, you need mosquito repellent in Cancun. It is a tropical climate so there are mosquitos. Wear long-sleeved shirts and pants, and a hat if you're planning to spend time outdoors or leave the resort.
because of the tropical climate, the forcasts show rain as often as they do as a precaution. These pass quickly in most cases if they ever pop up at all. Most of all I would recommend that you not worry because it is highly unlikely that it will rain in Cancun every day.
So how many days should you spend in Cancun? Our Tripadvisor community recommends a three- to five-day vacation to enjoy most of what Cancun has to offer, and up to 10 days for the full experience. But even if you just have the weekend, here are some ideas on what you can do in Cancun.
Hurricane season in Cancun spans June to November, with a higher likelihood of storms from August to October. Fortunately, hurricanes are rare. The area has seen only two in the past 30 years.
Avoid visiting during Christmas, New Year's, and especially Spring Break as these are the most hectic travel periods for Cancun. If possible, avoid Mexico's hurricane season, which stretches from late-July to late-October.