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
Dec 1 32° 51° 13° (1958) 77° (2001) 0.11" NA
Dec 2 32° 50° 15° (1967) 69° (1970) 0.11" NA
Dec 3 31° 50° 11° (1976) 66° (1998) 0.11" NA
Dec 4 31° 50° 13° (1989) 75° (1982) 0.12" NA
Dec 5 31° 50° 19° (1966) 72° (1978) 0.12" NA
Dec 6 31° 49° 19° (1990) 78° (1998) 0.12" NA
Dec 7 31° 49° 13° (2002) 78° (1998) 0.12" NA
Dec 8 30° 49° 14° (1977) 74° (1978) 0.12" NA
Dec 9 30° 49° 16° (1960) 74° (1978) 0.12" NA
Dec 10 30° 48° 11° (1989) 66° (1966) 0.12" NA
Dec 11 30° 48° 9° (1958) 66° (1979) 0.12" NA
Dec 12 29° 48° 8° (1988) 69° (1985) 0.12" NA
Dec 13 29° 47° 7° (1988) 67° (1990) 0.12" NA
Dec 14 29° 47° 6° (1960) 67° (1991) 0.12" NA
Dec 15 29° 47° 10° (1962) 64° (1991) 0.12" NA
Dec 16 29° 47° 5° (1958) 63° (1959) 0.12" NA
Dec 17 28° 46° 3° (1951) 72° (2000) 0.12" NA
Dec 18 28° 46° 9° (1960) 73° (1984) 0.12" NA
Dec 19 28° 46° 5° (1989) 69° (1990) 0.12" NA
Dec 20 28° 46° 10° (1960) 65° (1988) 0.12" NA
Dec 21 27° 45° 10° (1955) 64° (1956) 0.12" NA
Dec 22 27° 45° -1° (1989) 66° (1984) 0.12" NA
Dec 23 27° 45° 1° (1989) 71° (1990) 0.12" NA
Dec 24 27° 45° 4° (1989) 67° (1990) 0.12" NA
Dec 25 27° 45° 1° (1983) 71° (1964) 0.12" NA
Dec 26 26° 44° 4° (1983) 67° (1982) 0.12" NA
Dec 27 26° 44° 5° (1989) 69° (1982) 0.12" NA
Dec 28 26° 44° 9° (1951) 73° (1984) 0.12" NA
Dec 29 26° 44° 10° (1985) 77° (1984) 0.12" NA
Dec 30 26° 44° 10° (1976) 71° (1984) 0.12" NA
Dec 31 26° 43° 2° (1962) 69° (1965) 0.12" NA
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