Key West, Florida
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 18° 24° 5° (1981) 32.2° (1877) 2.22" 0"
February 19° 24° 6.7° (1917) 30.6° (1874) 1.51" 0"
March 21° 26° 8.3° (1986) 31.7° (1874) 1.86" 0"
April 22° 28° 8.9° (1987) 32.8° (1881) 2.06" 0"
May 24° 29° 13.3° (1874) 33.9° (1881) 3.48" 0"
June 26° 31° 18.3° (1932) 37.8° (1886) 4.57" 0"
July 27° 32° 20° (1888) 37.8° (1886) 3.27" 0"
August 26° 32° 20° (1913) 37.8° (1886) 5.4" 0"
September 26° 31° 17.8° (1893) 36.1° (1886) 5.45" 0"
October 24° 29° 15° (1910) 33.9° (1962) 4.34" 0"
November 22° 27° 9.4° (1959) 32.8° (1876) 2.64" 0"
December 19° 25° 6.7° (1989) 31.1° (1876) 2.14" 0"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jan 1 18.9° 24.4° 11° (2001) 28° (1961) 0.07" NA
Jan 2 18.9° 24.4° 8° (1898) 29° (1942) 0.07" NA
Jan 3 18.9° 24.4° 8° (1898) 29° (1982) 0.07" NA
Jan 4 18.9° 24.4° 8° (1918) 29° (1942) 0.07" NA
Jan 5 18.9° 24.4° 8° (2002) 29° (1942) 0.07" NA
Jan 6 18.9° 24.4° 9° (1879) 29° (1926) 0.07" NA
Jan 7 18.3° 24.4° 9° (1879) 29° (1993) 0.07" NA
Jan 8 18.3° 24.4° 10° (1970) 28° (1997) 0.08" NA
Jan 9 18.3° 24.4° 8° (1951) 28° (1997) 0.08" NA
Jan 10 18.3° 23.9° 7° (1996) 29° (1993) 0.08" NA
Jan 11 18.3° 23.9° 9° (1970) 28° (1993) 0.08" NA
Jan 12 18.3° 23.9° 5° (1886) 29° (1993) 0.08" NA
Jan 13 18.3° 23.9° 5° (1981) 30° (1877) 0.08" NA
Jan 14 18.3° 23.9° 8° (1981) 29° (1881) 0.08" NA
Jan 15 18.3° 23.9° 8° (1964) 31° (1877) 0.07" NA
Jan 16 18.3° 23.9° 9° (2006) 32° (1877) 0.07" NA
Jan 17 18.3° 23.9° 12° (1983) 31° (1877) 0.07" NA
Jan 18 18.3° 23.9° 9° (1981) 29° (1960) 0.07" NA
Jan 19 18.3° 23.9° 9° (1997) 29° (1943) 0.07" NA
Jan 20 18.3° 23.9° 8° (1997) 30° (1877) 0.07" NA
Jan 21 18.3° 23.9° 8° (1971) 30° (1877) 0.07" NA
Jan 22 18.3° 23.9° 9° (1985) 31° (1877) 0.07" NA
Jan 23 18.3° 23.9° 11° (1961) 30° (1877) 0.07" NA
Jan 24 18.3° 23.9° 7° (2003) 28° (2007) 0.07" NA
Jan 25 18.3° 23.9° 9° (1940) 29° (1991) 0.07" NA
Jan 26 18.3° 23.9° 7° (1905) 29° (1957) 0.07" NA
Jan 27 18.3° 23.9° 7° (1905) 29° (1984) 0.07" NA
Jan 28 18.3° 23.9° 6° (1940) 29° (1957) 0.07" NA
Jan 29 18.3° 23.9° 7° (1940) 30° (1991) 0.07" NA
Jan 30 18.3° 23.9° 8° (1940) 29° (1991) 0.06" NA
Jan 31 18.3° 23.9° 8° (1966) 30° (1957) 0.06" NA
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