Climate of Ecuador

Ecuador’s climate is complex and shaped by interacting factors such as its equatorial location,  atmospheric and oceanic circulation patterns, and significant topographic barriers within a relatively small geographic area. The country is divided into four natural regions: the Coastal Region (La Costa), the Amazon Region (Oriente/Eastern), the Andean Highlands (Sierra), and the Galápagos Islands (Insular Region).

Across all four regions, average temperatures remain relatively stable due to Ecuador’s equatorial location. In contrast, precipitation varies widely from heavy seasonal shifts on the coast and highlands to persistent rainfall in the Amazon. Climate modes associated with the nearby Pacific and Atlantic oceans, including the El Niño-Southern Oscillation (ENSO), cause additional effects on Ecuador’s climate. These interactions can produce extreme weather causing periods of intense rainfall, drought, flooding, and landslides.

The climate is changing as human activities increase greenhouse gas concentrations in the atmosphere. This change can be seen through temperature increases, shifting rainfall patterns, retreating glaciers, and changing ecosystems, all of which contribute to increasing water scarcity and environmental vulnerability in coastal and eastern regions.

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