The climate of the Galapagos Islands is subtropical; even though these islands are located around the Equator, the climate is far from being excessively hot. It is regulated by the cold “Humboldt” current and the warm “El Niño” current, creating microclimates on the islands influencing the particular flora and fauna habitats found on each island.
The weather varies from season to season. June through December is known as the dry (garua) season. The strong Antarctic Humboldt Current, coming from the south, affects the climate at this time of year. When the winds blow in a northwestern direction, the islands are bathed in cool waters, cooling the air and creating unusually cold conditions for equatorial islands.
From the end of December through May is considered the "hot” or “wet” season. The southeast trade winds diminish in strength and warmer water from “El Niño” current flow through the islands. During this season, the Galapagos' climate is more tropical with daily rain and cloudier skies. Also, the ocean temperature is warmer for swimming and snorkeling.
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