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Currently: 80 °F. Clear. (Weather station: Key West International Airport, USA). See more current weather. Annual Weather Averages in Key West. Based on weather reports collected during 1992–2021. Showing: Weather by CustomWeather, © 2024. Need some help? Climate data and weather averages in Key West.
82ºF. 73ºF. Key West weather averages and climate Key West, Florida. Monthly temperature, precipitation and hours of sunshine. A climate graph showing rainfall, temperatures and normals.
In Key West, the summers are long, hot, oppressive, wet, and mostly cloudy and the winters are short, comfortable, humid, windy, and mostly clear. Over the course of the year, the temperature typically varies from 65°F to 89°F and is rarely below 56°F or above 91°F .
Key West Temperatures: Averages by Month. The numbers here tell you how hot and cold the weather usually is in Key West, Florida during each month of the year. The average high and low temperatures are listed below by month and annually for Key West, in both degrees Fahrenheit and Celsius.
Key West, FL's climate averages. Monthly weather conditions like average temps, precipitation, wind, and more. Key West's yearly averages for humidity, fog, sun, and snow days.
Key West, Florida - Climate and weather forecast by month. Detailed climate information with charts - average monthly weather with temperature, pressure, humidity, precipitation, wind, daylight, sunshine, visibility, and UV index data.
The average temperature peaks then with daily highs of 91 °F (33 °C) and nighttime lows of 81 °F (27 °C). Key West averages 274 days a year when the thermometer reaches into the 80s °F (over 26 °C). The temperature normally doesn't climb above 100 °F (38 °C), even on the hottest days.
