Arnold, Maryland
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 24° 42° -8° (1984) 75° (2002) 3.49" NA
February 25° 45° 0° (1979) 80° (1985) 2.95" NA
March 33° 54° 10° (1999) 92° (1998) 4.17" NA
April 42° 65° 22° (1982) 98° (2002) 3.34" NA
May 52° 75° 33° (1966) 98° (1997) 4.42" NA
June 62° 83° 42° (1990) 101° (1988) 3.56" NA
July 67° 88° 47° (1952) 103° (1991) 3.98" NA
August 66° 85° 43° (1951) 103° (1983) 4.04" NA
September 59° 78° 30° (1951) 100° (1954) 4.25" NA
October 46° 67° 24° (1952) 93° (1954) 3.56" NA
November 36° 56° 10° (1955) 81° (1993) 3.33" NA
December 29° 47° -1° (1989) 78° (1998) 3.69" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 47° 70° 34° (1987) 86° (1957) 0.13" NA
May 2 48° 71° 37° (1960) 90° (1992) 0.13" NA
May 3 48° 71° 35° (1952) 91° (2001) 0.13" NA
May 4 48° 71° 35° (1957) 90° (2001) 0.13" NA
May 5 49° 71° 34° (1956) 90° (2001) 0.14" NA
May 6 49° 72° 39° (1954) 92° (1986) 0.14" NA
May 7 49° 72° 39° (1954) 95° (2000) 0.14" NA
May 8 50° 72° 39° (1989) 91° (1986) 0.14" NA
May 9 50° 73° 37° (1954) 92° (1979) 0.14" NA
May 10 50° 73° 35° (1966) 92° (2000) 0.14" NA
May 11 51° 73° 33° (1966) 89° (2004) 0.14" NA
May 12 51° 74° 40° (1989) 91° (1959) 0.15" NA
May 13 51° 74° 38° (1954) 91° (1991) 0.15" NA
May 14 52° 74° 35° (1951) 91° (2004) 0.15" NA
May 15 52° 75° 36° (1989) 94° (1962) 0.15" NA
May 16 52° 75° 40° (1959) 90° (1998) 0.15" NA
May 17 53° 75° 38° (1967) 88° (1986) 0.15" NA
May 18 53° 75° 37° (1955) 95° (1962) 0.15" NA
May 19 53° 76° 42° (2003) 96° (1962) 0.15" NA
May 20 54° 76° 41° (1968) 98° (1997) 0.15" NA
May 21 54° 76° 38° (2002) 94° (1996) 0.15" NA
May 22 54° 77° 36° (2002) 90° (1996) 0.15" NA
May 23 55° 77° 38° (2002) 92° (1964) 0.15" NA
May 24 55° 77° 42° (1954) 93° (1992) 0.15" NA
May 25 55° 78° 33° (1956) 91° (1991) 0.14" NA
May 26 56° 78° 40° (1956) 92° (1957) 0.14" NA
May 27 56° 78° 41° (1961) 94° (1991) 0.14" NA
May 28 56° 78° 41° (1961) 93° (1991) 0.14" NA
May 29 56° 79° 40° (1953) 93° (1969) 0.14" NA
May 30 57° 79° 45° (1958) 98° (1991) 0.14" NA
May 31 57° 79° 42° (1961) 97° (1991) 0.13" NA
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