Climate for Key West, Florida

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Average Temperatures for Key West

Average Temperature for Key West, Florida
MonthLowHigh
Jan65.2°F75.3°F
Feb65.7°F75.9°F
Mar68.8°F78.8°F
Apr72.1°F81.9°F
May75.9°F85.4°F
Jun78.7°F88.1°F
Jul79.6°F89.4°F
Aug79.2°F89.5°F
Sept78.5°F88.2°F
Oct75.7°F84.7°F
Nov71.9°F80.6°F
Dec67.3°F76.7°F

Key West's coldest month is January when the average temperature overnight is 65.2°F. In August, the warmest month, the average day time temperature rises to 89.5°F.

Average Rainfall for Key West

Average Rainfall for Key West, Florida
MonthPrecipitation
Jan2.22in.
Feb1.51in.
Mar1.86in.
Apr2.06in.
May3.48in.
Jun4.57in.
Jul3.27in.
Aug5.40in.
Sept5.45in.
Oct4.34in.
Nov2.64in.
Dec2.14in.

The driest month in Key West is February with 1.51 inches of precipitation, and with 5.45 inches September is the wettest month.

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