Can you tan in Cancun in winter?

Cancun's high season is December to April. The UV is strong the whole time, and white sand adds to it. Month-by-month UV and burn times.

By the Sunkat team · Updated 27 October 2026 · General information, not medical advice

Short answer: yes. Cancun's clear-sky midday UV is about 6 in December, 7 in January and 11 in March. Fair skin can start to redden after about 23 minutes at a January midday without sunscreen.

UV index in Cancun by month

Clear-sky UV index at midday near Cancun's Hotel Zone and the Riviera Maya, with how long fair (type II) and medium (type III) skin take to start reddening without sunscreen at that peak. Peak months for Cancun visitors are highlighted: December 6, January 7, February 9, March 11, April 13.

Month	Midday UV clear sky	Fair skin first redness	Medium skin first redness	Typical cloud cover
January	7 high	23 min	28 min	48%
February	9 very high	18 min	22 min	30%
March	11 extreme	15 min	18 min	33%
April	13 extreme	12 min	15 min	25%
May	13 extreme	12 min	15 min	32%
June	13 extreme	12 min	15 min	48%
July	13 extreme	12 min	15 min	51%
August	13 extreme	12 min	15 min	56%
September	12 extreme	13 min	16 min	63%
October	9 very high	18 min	22 min	64%
November	7 high	23 min	28 min	48%
December	6 high	27 min	33 min	53%

Midday UV is modelled from the sun's height and typical ozone for Cancun (Madronich 2007), rounded. Haze and cloud make many real days 1 to 2 points lower. Cloud cover is the median for each month in 2023 to 2025 (Open-Meteo). Over the year the clear-sky peak runs from 6 to 13.

White sand and turquoise water

Cancun's beaches are pale coral sand, which reflects about 15% of UV, and the water reflects more (WHO). Lying on the beach you get noticeably more UV than the forecast index, so add a margin.

Spring break season (March and April) is when UV is highest during peak travel, with clear-sky middays of 11 to 13.