Although tropical. San Juan has a normal daily mean temperature of 80°f (27°c), ranging from 77°f (25°c) in January to 82°f (28°c) in July; the normal daily minimum is 73°f (23°c), the maximum 86°f (30°c). Rainfall varies by region. Ponce, on the south coast, averages only 32 in (81 cm) a year, while the highlands average 108 in (274 cm); the rain forest on El Yunque receives an annual average of 183 in (465 cm). San Juan's average annual rainfall is 54 in (137 cm), the rainiest months being May through November.