UV Index
UV Index
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Today's UV index in Cancún, Mexico 
will be up to 11, indicating a extreme level of sun exposure for the average person. Check the annual sun radiation in the city and our tips for today to make sure you're safe in the sun.
UV index at 11 in Cancún means extreme risk; limit outdoor time from 10 a.m. to 4 p.m., use shade, protective clothing, SPF 30+ sunscreen, and sunglasses; watch for bright surfaces like water and snow increasing UV exposure.
The UV index in Cancún, Mexico, is often high due to its tropical location near the equator. This means that the sun's rays are strong, and sunscreen is recommended for sun protection.
Cancún has two main seasons: a dry season from November to April and a wet season from May to October. During the dry season, temperatures range from 70°F to 80°F (21°C to 27°C), while in the wet season, temperatures are consistently in the 80s°F (mid-20s°C) with higher humidity.
Compared to its region and neighboring countries, Cancún's weather is generally warmer and more stable. While other parts of Mexico and Central America experience temperature fluctuations and colder winters, Cancún maintains its tropical climate year-round. However, Cancún does experience more rainfall than some of the nearby Caribbean islands during the wet season.