Garrison, Maryland
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 23° 42° -18° (1935) 78° (1950) 3.74" 8.3"
February 25° 46° -16° (1934) 80° (1930) 3.01" 8.2"
March 32° 55° -4° (1896) 90° (1998) 4.3" 3"
April 41° 67° 12° (1923) 95° (1915) 3.52" 0.2"
May 51° 76° 27° (1966) 97° (1996) 4.78" 0"
June 60° 84° 34° (1930) 101° (1934) 4.11" 0"
July 64° 88° 44° (1943) 105° (1936) 3.85" 0"
August 63° 86° 41° (1986) 103° (1930) 3.53" 0"
September 56° 79° 29° (1963) 101° (1932) 4.09" 0"
October 44° 68° 18° (1936) 95° (1941) 3.44" 0"
November 35° 57° 3° (1930) 83° (1982) 3.73" 1.1"
December 27° 46° -14° (1942) 77° (1998) 3.53" 4.6"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 31° 51° 6° (1936) 72° (1933) 0.12" NA
Dec 2 30° 50° 3° (1967) 66° (1914) 0.12" NA
Dec 3 30° 50° 7° (1976) 72° (1998) 0.12" NA
Dec 4 30° 50° 4° (1940) 76° (1982) 0.12" NA
Dec 5 30° 49° 10° (1896) 72° (1982) 0.12" NA
Dec 6 29° 49° 9° (1957) 77° (1998) 0.12" NA
Dec 7 29° 48° 11° (1926) 76° (1998) 0.12" NA
Dec 8 29° 48° 13° (1964) 72° (1980) 0.11" NA
Dec 9 29° 48° 8° (1910) 73° (1966) 0.11" NA
Dec 10 28° 47° 2° (1910) 70° (1946) 0.11" NA
Dec 11 28° 47° 7° (1904) 68° (1979) 0.11" NA
Dec 12 28° 47° 7° (1962) 70° (1979) 0.11" NA
Dec 13 28° 47° 4° (1988) 70° (1984) 0.11" NA
Dec 14 27° 46° 6° (1989) 67° (1923) 0.11" NA
Dec 15 27° 46° 4° (1960) 67° (1929) 0.11" NA
Dec 16 27° 46° -3° (1917) 66° (1929) 0.11" NA
Dec 17 27° 45° 0° (1951) 68° (1984) 0.11" NA
Dec 18 27° 45° 2° (1960) 66° (1937) 0.11" NA
Dec 19 26° 45° -1° (1932) 69° (1924) 0.11" NA
Dec 20 26° 45° 0° (1942) 66° (1924) 0.11" NA
Dec 21 26° 44° -14° (1942) 67° (1923) 0.11" NA
Dec 22 26° 44° 0° (1942) 65° (1923) 0.11" NA
Dec 23 25° 44° -9° (1960) 66° (1990) 0.11" NA
Dec 24 25° 44° -1° (1945) 63° (1982) 0.11" NA
Dec 25 25° 44° -3° (1983) 70° (1964) 0.11" NA
Dec 26 25° 43° 0° (1983) 69° (1964) 0.11" NA
Dec 27 25° 43° -8° (1914) 65° (1964) 0.12" NA
Dec 28 25° 43° 0° (1933) 70° (1946) 0.12" NA
Dec 29 24° 43° 2° (1933) 77° (1984) 0.12" NA
Dec 30 24° 43° -5° (1917) 72° (1984) 0.12" NA
Dec 31 24° 42° -6° (1917) 67° (1965) 0.12" NA
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