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
May 1 23.3° 28.9° 18° (1992) 32° (1873) 0.08" NA
May 2 23.3° 28.9° 17° (1877) 32° (1953) 0.09" NA
May 3 23.3° 28.9° 18° (1999) 33° (1873) 0.09" NA
May 4 23.3° 28.9° 19° (1925) 32° (1956) 0.09" NA
May 5 23.9° 28.9° 18° (1992) 33° (1873) 0.09" NA
May 6 23.9° 28.9° 19° (1992) 32° (1991) 0.09" NA
May 7 23.9° 28.9° 19° (1954) 32° (1956) 0.09" NA
May 8 23.9° 28.9° 13° (1874) 33° (1873) 0.1" NA
May 9 23.9° 29.4° 18° (1992) 33° (1873) 0.1" NA
May 10 23.9° 29.4° 19° (1960) 32° (1873) 0.1" NA
May 11 23.9° 29.4° 18° (1944) 32° (1873) 0.1" NA
May 12 24.4° 29.4° 20° (1944) 32° (1926) 0.1" NA
May 13 24.4° 29.4° 19° (1888) 32° (1995) 0.1" NA
May 14 24.4° 29.4° 18° (1917) 32° (1878) 0.11" NA
May 15 24.4° 29.4° 20° (1932) 32° (1991) 0.11" NA
May 16 24.4° 29.4° 18° (1917) 32° (1991) 0.11" NA
May 17 24.4° 30° 19° (1951) 33° (1878) 0.11" NA
May 18 24.4° 30° 19° (1917) 33° (1881) 0.11" NA
May 19 24.4° 30° 19° (2006) 33° (1881) 0.12" NA
May 20 24.4° 30° 19° (2006) 33° (1886) 0.12" NA
May 21 25° 30° 20° (1901) 33° (1935) 0.12" NA
May 22 25° 30° 20° (1940) 33° (1935) 0.12" NA
May 23 25° 30° 21° (1940) 33° (1873) 0.13" NA
May 24 25° 30° 20° (1900) 33° (1873) 0.13" NA
May 25 25° 30° 21° (1992) 33° (1989) 0.13" NA
May 26 25° 30° 20° (1992) 33° (1989) 0.13" NA
May 27 25° 30.6° 21° (1894) 32° (2000) 0.14" NA
May 28 25° 30.6° 20° (1916) 33° (1953) 0.14" NA
May 29 25° 30.6° 20° (1926) 33° (1952) 0.14" NA
May 30 25° 30.6° 19° (1932) 33° (1881) 0.14" NA
May 31 25.6° 30.6° 21° (1934) 34° (1881) 0.15" NA
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