Diving in Cancun is available year-round. The rainy season runs from May through November. The high season for diving is November til April, when the weather stays dry. The average air temperature ranges between 23C/73F and 29C /84F, while the water temperature stays between 26C/79F and 29C/84F. The visibility is good, around 20m/65ft. Visibility in cenotes and caverns can reach up to 122m/400ft. The currents are generally mild, but can be strong at some sites.
What to see
In these waters divers can see beautiful coral formations, shoals of barracudas, schools of snappers, morays, lobsters, large crabs, Atlantic pomfret, angel fish, sharks, damselfish and many other species.