When vacationing in Cancun and the Mexican Caribbean you'll very likely benefit from pleasant weather regardless of when you visit. During the month of June, the temperature doesn't change much during the course of a typical day.
On average, temperatures peak at degrees dropping to degrees during the middle of the night.
This data indicates that during the early part of the month the low temperature averages degrees and the high averages degrees. If you visit during the middle of the month the daily low is typically around degrees while the daily high average around degrees. Over the last third of June the lowest temperature reading averages degrees and the high temperature averages degrees. For a more detailed understanding of temperatures in Cancun and the Mexican Caribbean during June, browse the above table.