Annandale, Pennsylvania
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 18° 35° -28° (1994) 72° (1950) 2.99" 11.7"
February 20° 39° -21° (1979) 73° (2000) 2.5" 8.7"
March 27° 48° -10° (1993) 82° (1998) 3.37" 4.8"
April 36° 61° 9° (1987) 89° (2009) 3.56" 0.8"
May 46° 71° 22° (1983) 92° (2006) 4.28" 0"
June 55° 79° 30° (1972) 99° (1952) 4.72" 0"
July 59° 83° 37° (1979) 102° (1988) 4.39" 0"
August 57° 82° 28° (1982) 99° (1953) 3.88" 0"
September 50° 75° 27° (1991) 99° (1953) 3.97" 0"
October 40° 63° 12° (1975) 91° (2007) 3.1" 0.2"
November 32° 51° -1° (1958) 81° (1961) 3.74" 1.5"
December 23° 39° -20° (1989) 74° (1982) 3.03" 9.9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 41° 66° 22° (1978) 86° (1970) 0.11" 0"
May 2 41° 67° 25° (1979) 86° (1970) 0.12" 0"
May 3 41° 67° 23° (1994) 86° (1965) 0.12" 0"
May 4 42° 67° 23° (1994) 85° (1955) 0.13" 0"
May 5 42° 68° 27° (1979) 87° (2001) 0.12" 0"
May 6 42° 68° 25° (1968) 89° (1949) 0.13" 0"
May 7 43° 68° 22° (1970) 88° (1949) 0.13" 0"
May 8 43° 68° 25° (1976) 86° (2000) 0.13" 0"
May 9 43° 69° 22° (1983) 87° (1963) 0.13" 0"
May 10 44° 69° 23° (1983) 89° (1979) 0.13" 0"
May 11 44° 69° 27° (1966) 87° (1979) 0.12" 0"
May 12 44° 70° 29° (1976) 87° (1999) 0.14" 0"
May 13 45° 70° 25° (1994) 85° (1999) 0.13" 0"
May 14 45° 70° 25° (1994) 90° (1962) 0.14" 0"
May 15 45° 70° 25° (1996) 90° (1962) 0.13" 0"
May 16 46° 71° 28° (1984) 91° (1962) 0.14" 0"
May 17 46° 71° 29° (1979) 90° (1962) 0.13" 0"
May 18 46° 71° 30° (1993) 92° (1962) 0.14" 0"
May 19 47° 71° 29° (2002) 89° (1962) 0.14" 0"
May 20 47° 72° 29° (1994) 89° (1996) 0.15" 0"
May 21 47° 72° 29° (1993) 89° (1996) 0.14" 0"
May 22 48° 72° 29° (2002) 87° (1964) 0.15" 0"
May 23 48° 72° 31° (1971) 86° (1964) 0.15" 0"
May 24 48° 73° 29° (1963) 89° (2007) 0.15" 0"
May 25 49° 73° 30° (1956) 88° (2007) 0.15" 0"
May 26 49° 73° 30° (1983) 89° (1965) 0.15" 0"
May 27 49° 73° 31° (1969) 90° (2010) 0.15" 0"
May 28 50° 74° 30° (1994) 91° (2010) 0.16" 0"
May 29 50° 74° 31° (1992) 90° (1987) 0.15" 0"
May 30 50° 74° 33° (1990) 92° (1999) 0.16" 0"
May 31 50° 75° 33° (1990) 92° (2006) 0.16" 0"
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