Annandale, Pennsylvania
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 14° 34° -28° (1994) 72° (1950) 2.71" 13"
February 16° 38° -21° (1979) 73° (2000) 2.31" 9.9"
March 24° 48° -10° (1993) 82° (1998) 3.39" 7"
April 31° 59° 9° (1987) 88° (1990) 3.46" 1.2"
May 41° 70° 22° (1983) 92° (2006) 3.9" 0"
June 50° 78° 30° (1972) 99° (1952) 4.7" 0"
July 55° 82° 37° (1979) 102° (1988) 4.4" 0"
August 53° 81° 28° (1982) 99° (1953) 3.99" 0"
September 47° 74° 27° (1991) 99° (1953) 3.93" 0"
October 36° 62° 12° (1975) 91° (2007) 2.87" 0.1"
November 29° 50° -1° (1958) 81° (1961) 3.49" 2.6"
December 21° 39° -20° (1989) 74° (1982) 3.11" 8.6"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 36° 65° 22° (1978) 86° (1970) 0.12" NA
May 2 36° 65° 25° (1979) 86° (1970) 0.12" NA
May 3 37° 66° 23° (1994) 86° (1965) 0.12" NA
May 4 37° 66° 23° (1994) 85° (1955) 0.12" NA
May 5 37° 67° 27° (1979) 87° (2001) 0.12" NA
May 6 38° 67° 25° (1968) 89° (1949) 0.12" NA
May 7 38° 67° 22° (1970) 88° (1949) 0.12" NA
May 8 38° 68° 25° (1976) 86° (2000) 0.12" NA
May 9 39° 68° 22° (1983) 87° (1963) 0.12" NA
May 10 39° 68° 23° (1983) 89° (1979) 0.12" NA
May 11 39° 69° 27° (1966) 87° (1979) 0.12" NA
May 12 40° 69° 29° (1976) 87° (1999) 0.12" NA
May 13 40° 69° 25° (1994) 85° (1999) 0.12" NA
May 14 40° 70° 25° (1994) 90° (1962) 0.12" NA
May 15 41° 70° 25° (1996) 90° (1962) 0.12" NA
May 16 41° 70° 28° (1984) 91° (1962) 0.12" NA
May 17 41° 71° 29° (1979) 90° (1962) 0.12" NA
May 18 42° 71° 30° (1993) 92° (1962) 0.12" NA
May 19 42° 71° 29° (2002) 89° (1962) 0.13" NA
May 20 42° 72° 29° (1994) 89° (1996) 0.13" NA
May 21 43° 72° 29° (1993) 89° (1996) 0.13" NA
May 22 43° 72° 29° (2002) 87° (1964) 0.13" NA
May 23 43° 73° 31° (1971) 86° (1964) 0.13" NA
May 24 44° 73° 29° (1963) 89° (2007) 0.13" NA
May 25 44° 73° 30° (1956) 88° (2007) 0.13" NA
May 26 44° 73° 30° (1983) 89° (1965) 0.13" NA
May 27 45° 74° 31° (1969) 87° (1955) 0.14" NA
May 28 45° 74° 30° (1994) 88° (1978) 0.14" NA
May 29 45° 74° 31° (1992) 90° (1987) 0.14" NA
May 30 46° 74° 33° (1990) 92° (1999) 0.14" NA
May 31 46° 75° 33° (1990) 92° (2006) 0.14" NA
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