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
Dec 1 20.6° 25.6° 7° (1876) 30° (1880) 0.07" NA
Dec 2 20.6° 25.6° 7° (1876) 30° (1978) 0.07" NA
Dec 3 20.6° 25.6° 7° (1876) 30° (1978) 0.07" NA
Dec 4 20.6° 25.6° 8° (1876) 30° (1880) 0.07" NA
Dec 5 20.6° 25.6° 7° (1876) 30° (1994) 0.07" NA
Dec 6 20.6° 25.6° 9° (1876) 30° (1978) 0.07" NA
Dec 7 20° 25° 10° (1937) 29° (1953) 0.07" NA
Dec 8 20° 25° 9° (1937) 29° (1978) 0.07" NA
Dec 9 20° 25° 12° (1928) 29° (1948) 0.07" NA
Dec 10 20° 25° 12° (1930) 29° (1993) 0.07" NA
Dec 11 20° 25° 11° (1962) 29° (1986) 0.07" NA
Dec 12 20° 25° 7° (1934) 29° (1953) 0.07" NA
Dec 13 20° 25° 8° (1962) 29° (1956) 0.07" NA
Dec 14 19.4° 25° 10° (1962) 29° (1972) 0.07" NA
Dec 15 19.4° 25° 11° (1885) 29° (1956) 0.06" NA
Dec 16 19.4° 25° 11° (1968) 29° (1947) 0.06" NA
Dec 17 19.4° 24.4° 11° (1968) 29° (1956) 0.06" NA
Dec 18 19.4° 24.4° 11° (1882) 31° (1880) 0.07" NA
Dec 19 19.4° 24.4° 11° (1901) 29° (1956) 0.07" NA
Dec 20 19.4° 24.4° 10° (1981) 29° (1986) 0.07" NA
Dec 21 19.4° 24.4° 10° (1901) 29° (1956) 0.07" NA
Dec 22 18.9° 24.4° 11° (1960) 29° (1956) 0.07" NA
Dec 23 18.9° 24.4° 9° (1954) 31° (1876) 0.07" NA
Dec 24 18.9° 24.4° 7° (1989) 31° (1876) 0.07" NA
Dec 25 18.9° 24.4° 8° (1989) 30° (1876) 0.07" NA
Dec 26 18.9° 24.4° 7° (1983) 31° (1876) 0.07" NA
Dec 27 18.9° 24.4° 7° (1985) 29° (1941) 0.07" NA
Dec 28 18.9° 24.4° 11° (1977) 29° (1876) 0.07" NA
Dec 29 18.9° 24.4° 7° (1894) 28° (2007) 0.07" NA
Dec 30 18.9° 24.4° 8° (1894) 28° (1953) 0.07" NA
Dec 31 18.9° 24.4° 8° (1917) 28° (1981) 0.07" NA
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