Arnold, Maryland
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 29° 44° -8° (1984) 75° (2002) 3.32" 6.5"
February 31° 48° 0° (1979) 80° (1985) 3.05" 0.6"
March 38° 57° 10° (1999) 92° (1998) 4.53" 0"
April 48° 68° 22° (1982) 98° (2002) 3.66" 0"
May 57° 77° 33° (1966) 98° (1997) 4.2" 0"
June 67° 86° 42° (1990) 101° (1988) 4.17" 0"
July 72° 90° 47° (1952) 103° (1991) 4.56" 0"
August 71° 88° 43° (1951) 103° (1983) 3.88" 0"
September 64° 81° 30° (1951) 100° (1954) 4.76" 0"
October 52° 69° 24° (1952) 93° (1954) 3.89" 0"
November 42° 59° 10° (1955) 81° (1993) 3.8" 0.2"
December 33° 48° -1° (1989) 78° (1998) 3.56" 0.7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 68° 86° 53° (1954) 95° (1962) 0.11" 0"
Sep 2 68° 85° 48° (1987) 96° (1953) 0.13" 0"
Sep 3 68° 85° 48° (1958) 99° (1993) 0.14" 0"
Sep 4 68° 85° 50° (1952) 96° (1993) 0.13" 0"
Sep 5 67° 85° 52° (1997) 95° (1983) 0.13" 0"
Sep 6 67° 84° 53° (1952) 100° (1954) 0.13" 0"
Sep 7 67° 84° 45° (1962) 100° (1954) 0.12" 0"
Sep 8 67° 84° 45° (1951) 97° (1998) 0.15" 0"
Sep 9 66° 84° 43° (1951) 93° (1985) 0.15" 0"
Sep 10 66° 83° 42° (1956) 96° (1983) 0.15" 0"
Sep 11 66° 83° 46° (1956) 99° (1983) 0.15" 0"
Sep 12 65° 83° 47° (1958) 94° (1998) 0.16" 0"
Sep 13 65° 82° 42° (1958) 94° (1952) 0.18" 0"
Sep 14 64° 82° 40° (1953) 92° (1952) 0.17" 0"
Sep 15 64° 81° 46° (1984) 91° (1993) 0.17" 0"
Sep 16 64° 81° 47° (1961) 96° (1998) 0.18" 0"
Sep 17 63° 81° 44° (1986) 96° (1998) 0.19" 0"
Sep 18 63° 80° 40° (1959) 91° (1970) 0.18" 0"
Sep 19 63° 80° 43° (1956) 92° (1965) 0.17" 0"
Sep 20 62° 79° 40° (1959) 96° (1998) 0.18" 0"
Sep 21 62° 79° 33° (1956) 90° (1998) 0.17" 0"
Sep 22 61° 79° 39° (1962) 90° (1961) 0.17" 0"
Sep 23 61° 78° 43° (1953) 93° (1970) 0.17" 0"
Sep 24 60° 78° 37° (1953) 91° (1961) 0.17" 0"
Sep 25 60° 77° 41° (1989) 91° (1961) 0.16" 0"
Sep 26 60° 77° 42° (1987) 92° (1986) 0.17" 0"
Sep 27 59° 76° 44° (1955) 95° (1998) 0.17" 0"
Sep 28 59° 76° 37° (1989) 92° (1998) 0.17" 0"
Sep 29 58° 76° 30° (1951) 89° (1954) 0.17" 0"
Sep 30 58° 75° 30° (1951) 91° (1986) 0.17" 0"
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