Weather in Cancun - Forecast
Cancun Mexico has great weather. All the year it is warm with a warm tropical climate. During the summer month it can get a little too warm for some, but to cool down again, it usually starts to rain in the afternoons around 4 PM. The rain is warm but reduces the humidity of the air, so that after a few hours, when the rain stops, the heat is less heavy. The rain season begins in June.
The average temperature in Cancun is quite stable during the year. The maximum temperatures for each month range from 80 degrees in January to 90 degrees in July and August. While the minimum temperatures for each month range from slightly below 70 degrees in December and January to about 80 degrees in July.
You can check the monthly averages in this table: