It is mild year-round in the mountain valleys; Humid Subtropical Climate incoastal and Rain Forests in lowlands. The Pacific coastal area has a tropical climate, with a severe rainy season. The climate in the Andean highlands is temperate and relatively dry; and the Amazon basin on the eastern side of the mountains shares the climate of other rain forest zones.

Because of its location at the equator, Ecuador experiences little variation in daylight hours during the course of a year.