City guides United States of America Florida
Key West Climate and Weather
Key West enjoys a tropical savanna climate, with two main seasons. It's hot, wet and humid between June and October, and drier and cooler between November and May. In the hottest months, between June and August, temperatures average between 78ºF (26ºC) and 89ºF (31ºC), and in the coldest months, between December and February, temperatures average comfortably between 64ºF (17ºC) and 76ºF (24ºC). August and October are hurricane season.