Key West, Florida
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 64° 74° 41° (1981) 90° (1877) 2.04" 0"
February 66° 76° 44° (1917) 87° (1874) 1.55" 0"
March 68° 78° 47° (1986) 89° (1874) 2.05" 0"
April 72° 81° 48° (1987) 91° (1881) 2.05" 0"
May 76° 85° 56° (1874) 93° (1881) 3" 0"
June 79° 88° 65° (1932) 100° (1886) 4.11" 0"
July 80° 89° 68° (1888) 100° (1886) 3.55" 0"
August 80° 90° 68° (1913) 100° (1886) 5.38" 0"
September 79° 88° 64° (1893) 97° (1886) 6.71" 0"
October 76° 85° 59° (1910) 93° (1962) 4.93" 0"
November 72° 80° 49° (1959) 91° (1876) 2.3" 0"
December 67° 76° 44° (1989) 88° (1876) 2.22" 0"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 79° 89° 71° (1933) 95° (1956) 0.22" 0"
Sep 2 79° 89° 69° (1898) 95° (1956) 0.21" 0"
Sep 3 79° 89° 70° (1886) 95° (2007) 0.22" 0"
Sep 4 79° 89° 70° (1958) 94° (1877) 0.21" 0"
Sep 5 79° 89° 71° (1913) 94° (1951) 0.22" 0"
Sep 6 79° 89° 70° (1931) 95° (1951) 0.23" 0"
Sep 7 79° 89° 70° (1890) 94° (1951) 0.21" 0"
Sep 8 79° 88° 69° (1897) 93° (1951) 0.22" 0"
Sep 9 79° 88° 71° (1922) 93° (1957) 0.23" 0"
Sep 10 79° 88° 71° (1895) 94° (1877) 0.21" 0"
Sep 11 79° 88° 71° (1900) 93° (1957) 0.21" 0"
Sep 12 79° 88° 72° (1907) 93° (1957) 0.22" 0"
Sep 13 79° 88° 71° (1958) 93° (1876) 0.21" 0"
Sep 14 79° 88° 70° (1901) 95° (1872) 0.22" 0"
Sep 15 79° 88° 72° (1956) 94° (1872) 0.23" 0"
Sep 16 79° 88° 71° (1935) 94° (1872) 0.25" 0"
Sep 17 79° 88° 69° (1985) 92° (1990) 0.24" 0"
Sep 18 79° 88° 70° (1891) 92° (1990) 0.25" 0"
Sep 19 78° 88° 70° (1890) 92° (1987) 0.24" 0"
Sep 20 78° 88° 70° (1890) 93° (1987) 0.24" 0"
Sep 21 78° 88° 70° (1890) 92° (1990) 0.24" 0"
Sep 22 78° 88° 70° (1954) 93° (1989) 0.23" 0"
Sep 23 78° 87° 71° (1874) 92° (1990) 0.22" 0"
Sep 24 78° 87° 72° (1963) 92° (1989) 0.22" 0"
Sep 25 78° 87° 70° (1903) 93° (1957) 0.22" 0"
Sep 26 78° 87° 70° (1901) 92° (1987) 0.22" 0"
Sep 27 78° 87° 69° (1892) 92° (1957) 0.22" 0"
Sep 28 78° 87° 64° (1893) 92° (1936) 0.22" 0"
Sep 29 78° 87° 71° (2001) 92° (1958) 0.22" 0"
Sep 30 78° 87° 69° (1945) 92° (1959) 0.21" 0"
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