Cancun and the Mexican Caribbean is known for its beautiful scenery and temperate climate. In the month of January, the temperature doesn't fluctuate much during the course of the day.
The afternoon high temperature will typically reach degrees dropping to degrees during the middle of the night.
As indicated above, during the first part of the month the low temperature averages degrees and the high averages degrees. During the middle of the month the low temperature will typically average degrees while the daily high average around degrees. During the last part of January the low averages degrees while the average high temperature is degrees. To learn more about temperature fluctuations during January in Cancun and the Mexican Caribbean, review the table found above.