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
Dec 1 25° 44° 4° (1976) 67° (1962) 0.11" NA
Dec 2 24° 43° 7° (1966) 69° (1982) 0.11" NA
Dec 3 24° 43° -10° (1976) 74° (1982) 0.11" NA
Dec 4 24° 42° -9° (1976) 65° (1962) 0.11" NA
Dec 5 23° 42° 5° (1976) 68° (1998) 0.11" NA
Dec 6 23° 42° 6° (1976) 70° (1998) 0.11" NA
Dec 7 23° 41° 6° (1958) 72° (1998) 0.11" NA
Dec 8 23° 41° 8° (1977) 65° (1966) 0.11" NA
Dec 9 22° 40° 4° (2002) 65° (1952) 0.11" NA
Dec 10 22° 40° -4° (1958) 59° (1999) 0.1" NA
Dec 11 22° 40° -8° (1958) 69° (1971) 0.1" NA
Dec 12 22° 40° -8° (1977) 63° (1979) 0.1" NA
Dec 13 21° 39° -10° (1988) 64° (2006) 0.1" NA
Dec 14 21° 39° 0° (1958) 58° (1991) 0.1" NA
Dec 15 21° 39° 0° (1989) 64° (1975) 0.1" NA
Dec 16 20° 38° -8° (1951) 65° (1971) 0.1" NA
Dec 17 20° 38° -15° (1989) 63° (1984) 0.1" NA
Dec 18 20° 38° -18° (1989) 59° (2006) 0.1" NA
Dec 19 20° 37° -15° (1989) 59° (1957) 0.1" NA
Dec 20 19° 37° -8° (1980) 57° (1957) 0.1" NA
Dec 21 19° 37° -10° (1985) 59° (1949) 0.1" NA
Dec 22 19° 37° -16° (1989) 63° (1967) 0.1" NA
Dec 23 19° 36° -20° (1989) 64° (1949) 0.1" NA
Dec 24 18° 36° -20° (1989) 64° (1964) 0.09" NA
Dec 25 18° 36° -20° (1989) 66° (1982) 0.09" NA
Dec 26 18° 36° -11° (1980) 66° (1982) 0.09" NA
Dec 27 18° 36° -14° (1989) 58° (1982) 0.09" NA
Dec 28 17° 35° -5° (1993) 65° (1984) 0.09" NA
Dec 29 17° 35° -10° (1993) 69° (1982) 0.09" NA
Dec 30 17° 35° -10° (1976) 59° (1996) 0.09" NA
Dec 31 17° 35° -5° (1963) 61° (1971) 0.09" NA
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