The weather in Huatulco is very pleasant all year round. Average annual ambient temperature is 82F/28C, with little variation between night and day, summer and winter. Average air temperature is about 81F/27C in winter and 85F/29C in summer. Water temperature varies from 82F/28C to 86F/30C from April to December, and in winter, it is around 73F/23C on average. Dry season is from November to May. During the rainy season (May to October), divers should note that there is a possibility of strong tropical cyclones.
What to see
Among marine species divers can spot rays, parrotfish, scorpionfish, grouper, starfish, angelfish, red snapper, eels, barracuda, cowfish, goatfish, hogfish, pufferfish, spadefish, and others.