Roo has a semi-tropical climate. The hottest time of
year is from mid-May until the end of August when temperatures
can reach 34°C (110° F). September to the end of November
is the rainy season with late afternoon downpours. Hurricane
season officially starts in June, lasting to the end of
November with the strongest winds in the autumn months.
From December until the end of April the average temperature
is between 22-32° C (71-89°F) with occasional cold spells
that drop the temperature to a chilly 18° C (65° F). Cancun
enjoys 253 sunny days per year. Average daily maximum and
minimum temperatures for Cancun: January-March, 68-86°F
(20-30°C); April-June, 71-89°F (22-32°C); July-September,
75-91°F (24-33°C); October-December, 68-87°F (20-31°C).
For a great month by month
summary of Cancun's weather click