The Costa Brava has mild and temperate climate, characterized by hot, dry summers and moderately cold winters. Diving is feasible year-round here. The primary maximum of rainfall on the coast occurs in September - November while the secondary maximum generally occurs in April - May. The high diving season is from May to September. The average air temperature ranges from 10C/50F to 28C/82F, while the hottest months are July and August. The water temperatures range from 13C/55F in winter to 25C/77F in summer. Visibility is very good and ranges from 10m/33ft to 30m/98ft. Currents can be strong in some areas.
What to see
Costa Brava boasts fascinating, abundant marine life, including red coral, multicolored gorgonians, nudibranchs, sponges, Neptune grass, starfish, fan mussels, groupers (some are over 25 years old and BIG), bream, wrasse, sea bass, red mullets, moray eels, congers, octopuses, tunas, barracudas, eagle rays, sunfish, sharks, turtles and dolphins.