Key West, Florida
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 18° 23° 5° (1981) 32.2° (1877) 2.04" 0"
February 19° 25° 6.7° (1917) 30.6° (1874) 1.55" 0"
March 20° 26° 8.3° (1986) 31.7° (1874) 2.05" 0"
April 22° 27° 8.9° (1987) 32.8° (1881) 2.05" 0"
May 24° 29° 13.3° (1874) 33.9° (1881) 3" 0"
June 26° 31° 18.3° (1932) 37.8° (1886) 4.11" 0"
July 27° 32° 20° (1888) 37.8° (1886) 3.55" 0"
August 26° 32° 20° (1913) 37.8° (1886) 5.38" 0"
September 26° 31° 17.8° (1893) 36.1° (1886) 6.71" 0"
October 24° 29° 15° (1910) 33.9° (1962) 4.93" 0"
November 22° 27° 9.4° (1959) 32.8° (1876) 2.3" 0"
December 19° 24° 6.7° (1989) 31.1° (1876) 2.22" 0"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 23° 28° -18° (1992) 32° (1873) 0.05" 0"
May 2 23° 29° -18° (1877) 32° (1953) 0.05" 0"
May 3 23° 29° -18° (1999) 33° (1873) 0.05" 0"
May 4 23° 29° -18° (1925) 32° (1956) 0.05" 0"
May 5 23° 29° -18° (1992) 33° (1873) 0.06" 0"
May 6 24° 29° -18° (1992) 32° (1991) 0.06" 0"
May 7 24° 29° -18° (1954) 32° (1956) 0.08" 0"
May 8 24° 29° -18° (1988) 33° (1873) 0.07" 0"
May 9 24° 29° -18° (1992) 33° (1873) 0.08" 0"
May 10 24° 29° -18° (1960) 32° (1873) 0.07" 0"
May 11 24° 29° -18° (1944) 32° (1873) 0.09" 0"
May 12 24° 29° -18° (1944) 32° (1926) 0.08" 0"
May 13 24° 29° -18° (1888) 32° (1995) 0.09" 0"
May 14 24° 29° -18° (1917) 32° (1878) 0.08" 0"
May 15 24° 29° -18° (1932) 32° (1991) 0.09" 0"
May 16 24° 29° -18° (1917) 32° (1991) 0.1" 0"
May 17 24° 30° -18° (1951) 33° (1878) 0.1" 0"
May 18 24° 30° -18° (1917) 33° (1881) 0.1" 0"
May 19 25° 30° -18° (2006) 33° (1881) 0.1" 0"
May 20 25° 30° -18° (2006) 33° (1886) 0.11" 0"
May 21 25° 30° -18° (1901) 33° (1935) 0.12" 0"
May 22 25° 30° -18° (1940) 33° (1935) 0.11" 0"
May 23 25° 30° -18° (1940) 33° (1873) 0.13" 0"
May 24 25° 30° -18° (1900) 33° (1873) 0.12" 0"
May 25 25° 30° -18° (1992) 33° (2008) 0.12" 0"
May 26 25° 30° -18° (1992) 33° (1989) 0.14" 0"
May 27 25° 30° -18° (1894) 32° (2000) 0.13" 0"
May 28 25° 30° -18° (1916) 33° (1953) 0.14" 0"
May 29 25° 30° -18° (1926) 33° (1952) 0.15" 0"
May 30 25° 30° -18° (1932) 33° (1881) 0.14" 0"
May 31 25° 30° -18° (1934) 34° (1881) 0.14" 0"
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