Perryville, Maryland
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 22° 42° -9° (1961) 74° (1950) 3.44" 6.7"
February 24° 45° -10° (1979) 77° (1949) 2.95" 9"
March 32° 54° 4° (1943) 90° (1998) 4.25" 0.9"
April 42° 65° 19° (1982) 95° (2002) 3.93" 0"
May 52° 75° 29° (1978) 99° (1996) 3.96" 0"
June 63° 85° 42° (1990) 109° (1988) 4.18" 0"
July 67° 90° 48° (1980) 106° (1994) 4.29" 0"
August 65° 88° 40° (1987) 104° (2002) 3.91" 0"
September 57° 81° 34° (1963) 99° (2002) 4.95" 0"
October 45° 69° 20° (1987) 94° (2007) 4.12" 0"
November 35° 57° 11° (1989) 83° (1950) 3.54" 0.3"
December 27° 46° -2° (1963) 77° (1998) 4.03" 0.7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 47° 71° 29° (1978) 86° (2007) 0.12" 0"
May 2 47° 71° 33° (2005) 84° (2010) 0.13" 0"
May 3 47° 71° 34° (1986) 88° (1965) 0.13" 0"
May 4 48° 72° 31° (1989) 90° (1965) 0.13" 0"
May 5 48° 72° 31° (1973) 88° (1955) 0.14" 0"
May 6 49° 72° 36° (1981) 91° (1986) 0.13" 0"
May 7 49° 73° 32° (1981) 90° (1959) 0.14" 0"
May 8 49° 73° 31° (1947) 96° (2000) 0.13" 0"
May 9 50° 73° 30° (1947) 94° (2000) 0.14" 0"
May 10 50° 74° 31° (1947) 95° (2000) 0.13" 0"
May 11 50° 74° 31° (1966) 90° (1979) 0.14" 0"
May 12 51° 74° 36° (1963) 92° (1959) 0.13" 0"
May 13 51° 75° 36° (1967) 89° (1991) 0.13" 0"
May 14 51° 75° 36° (1951) 92° (1956) 0.14" 0"
May 15 52° 75° 41° (1951) 93° (1991) 0.14" 0"
May 16 52° 75° 38° (1973) 89° (1991) 0.14" 0"
May 17 53° 76° 36° (1967) 92° (1974) 0.14" 0"
May 18 53° 76° 35° (2005) 94° (1962) 0.13" 0"
May 19 53° 76° 37° (1973) 96° (1996) 0.12" 0"
May 20 54° 77° 39° (1991) 99° (1996) 0.13" 0"
May 21 54° 77° 38° (2002) 96° (1996) 0.12" 0"
May 22 54° 77° 37° (2002) 91° (1991) 0.13" 0"
May 23 55° 78° 40° (2002) 94° (1964) 0.12" 0"
May 24 55° 78° 37° (1963) 92° (1964) 0.13" 0"
May 25 56° 78° 36° (1956) 92° (1991) 0.11" 0"
May 26 56° 79° 42° (1988) 90° (1965) 0.12" 0"
May 27 56° 79° 39° (1972) 92° (1991) 0.11" 0"
May 28 57° 79° 38° (1961) 94° (1991) 0.11" 0"
May 29 57° 79° 40° (1949) 96° (1991) 0.12" 0"
May 30 58° 80° 39° (1949) 95° (1999) 0.11" 0"
May 31 58° 80° 41° (1961) 95° (2006) 0.12" 0"
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