Any time is great for a visit to Cancun. The summer months are warmer, with highs in the upper 80s F/20s C, but the sea breeze keeps you cool. It seldom rains in the winter. Hurricane season runs June-November, and that's when rain is most likely. Cancun is especially popular in March and April as a spring-break destination for college students from the U.S. Mexican tourists flock to Cancun a week before and after Christmas and the week of Easter. Make reservations early for those times.
Weather Forecast
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What to Wear
The dress code in Cancun might be described as elegantly casual. Beachwear is acceptable at the beach and pool but not elsewhere. It is best to cover up bare skin, or if wearing shorts and a T-shirt, use plenty of high-factor sunscreen.
Evening wear will depend on the venue and can vary from shorts or jeans and T-shirts to smart casual to elegant. Many of the all-inclusive resorts have one or two gourmet restaurants with a dress code requiring closed-toe shoes, long pants and collared shirts for men.