Grantsville, Maryland
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 16° 32° -26° (1985) 66° (1997) 3.57" NA
February 18° 36° -10° (1977) 72° (2000) 3.1" NA
March 26° 45° -3° (1984) 84° (1998) 3.84" NA
April 35° 57° 12° (1982) 87° (1976) 3.97" NA
May 46° 67° 26° (1978) 89° (1996) 4.76" NA
June 54° 75° 34° (1972) 89° (2001) 3.84" NA
July 58° 79° 37° (1984) 96° (1988) 3.91" NA
August 57° 77° 36° (1982) 94° (1999) 3.82" NA
September 50° 70° 28° (1984) 90° (1973) 3.62" NA
October 39° 59° 18° (1976) 82° (2007) 3.21" NA
November 31° 48° 4° (1984) 80° (2003) 3.76" NA
December 22° 37° -16° (1983) 73° (2001) 3.16" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 57° 78° 43° (1988) 90° (2001) 0.12" NA
Jul 2 57° 78° 44° (1982) 84° (1996) 0.12" NA
Jul 3 57° 78° 43° (1982) 87° (1983) 0.12" NA
Jul 4 57° 78° 46° (1986) 89° (1983) 0.12" NA
Jul 5 57° 78° 45° (1979) 88° (1999) 0.12" NA
Jul 6 57° 78° 45° (1979) 89° (1999) 0.12" NA
Jul 7 57° 79° 44° (1972) 90° (1999) 0.12" NA
Jul 8 58° 79° 44° (1983) 93° (1988) 0.12" NA
Jul 9 58° 79° 43° (1984) 93° (1988) 0.13" NA
Jul 10 58° 79° 37° (1984) 91° (1988) 0.13" NA
Jul 11 58° 79° 49° (1983) 92° (1988) 0.13" NA
Jul 12 58° 79° 41° (1978) 88° (1988) 0.13" NA
Jul 13 58° 79° 46° (1978) 86° (1981) 0.13" NA
Jul 14 58° 79° 49° (1978) 86° (1987) 0.13" NA
Jul 15 58° 79° 46° (1987) 89° (1997) 0.13" NA
Jul 16 58° 79° 47° (1987) 92° (1995) 0.13" NA
Jul 17 58° 79° 50° (1974) 96° (1988) 0.13" NA
Jul 18 58° 79° 49° (1985) 90° (1988) 0.13" NA
Jul 19 58° 79° 43° (1985) 90° (1988) 0.13" NA
Jul 20 58° 79° 48° (1984) 88° (1977) 0.13" NA
Jul 21 59° 79° 50° (1974) 91° (1980) 0.13" NA
Jul 22 59° 79° 50° (1974) 90° (1980) 0.13" NA
Jul 23 59° 79° 49° (1974) 92° (1995) 0.13" NA
Jul 24 59° 79° 38° (1985) 94° (1999) 0.13" NA
Jul 25 59° 79° 45° (1985) 89° (1987) 0.13" NA
Jul 26 59° 79° 48° (1976) 89° (1987) 0.13" NA
Jul 27 59° 79° 47° (1976) 88° (2005) 0.13" NA
Jul 28 59° 79° 48° (1977) 88° (1999) 0.12" NA
Jul 29 59° 79° 47° (1984) 89° (1993) 0.12" NA
Jul 30 59° 79° 46° (1985) 88° (1983) 0.12" NA
Jul 31 58° 79° 49° (1981) 90° (1988) 0.12" NA
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