Fairfax, Virginia
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 22° 41° -18° (1984) 75° (1975) 3.05" 8.1"
February 24° 46° -14° (1979) 79° (2000) 2.77" 6.2"
March 32° 55° -1° (1993) 89° (1998) 3.55" 3.4"
April 40° 66° 17° (1969) 93° (2002) 3.22" 0.4"
May 50° 75° 28° (1970) 97° (1969) 4.22" 0"
June 59° 83° 36° (1977) 100° (1964) 4.07" 0"
July 64° 87° 41° (1988) 104° (1988) 3.57" 0"
August 63° 86° 38° (1982) 104° (1983) 3.78" 0"
September 56° 79° 30° (1974) 99° (1983) 3.82" 0"
October 42° 68° 15° (1969) 94° (2007) 3.37" 0.1"
November 34° 57° 9° (1989) 84° (1982) 3.31" 0.8"
December 26° 46° -4° (1989) 79° (1998) 3.07" 2.2"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Oct 1 49° 73° 31° (1993) 90° (1986) 0.12" NA
Oct 2 48° 73° 32° (1998) 89° (1986) 0.12" NA
Oct 3 48° 73° 30° (2003) 86° (2007) 0.11" NA
Oct 4 47° 72° 26° (1974) 88° (2007) 0.11" NA
Oct 5 47° 72° 32° (1970) 90° (1967) 0.11" NA
Oct 6 46° 71° 28° (1968) 86° (1995) 0.11" NA
Oct 7 46° 71° 31° (1988) 91° (2007) 0.11" NA
Oct 8 45° 71° 30° (2001) 92° (2007) 0.11" NA
Oct 9 45° 70° 26° (2001) 94° (2007) 0.11" NA
Oct 10 44° 70° 31° (1978) 85° (1985) 0.11" NA
Oct 11 44° 70° 28° (1972) 78° (2001) 0.11" NA
Oct 12 43° 69° 25° (1964) 83° (1995) 0.11" NA
Oct 13 43° 69° 30° (1988) 84° (1989) 0.11" NA
Oct 14 43° 68° 23° (1988) 86° (1975) 0.11" NA
Oct 15 42° 68° 28° (1987) 88° (1989) 0.11" NA
Oct 16 42° 68° 30° (1986) 85° (1989) 0.11" NA
Oct 17 42° 67° 31° (1982) 83° (1963) 0.11" NA
Oct 18 41° 67° 27° (1982) 82° (2007) 0.11" NA
Oct 19 41° 67° 25° (1976) 83° (1991) 0.1" NA
Oct 20 40° 66° 20° (1972) 83° (1969) 0.1" NA
Oct 21 40° 66° 22° (1972) 86° (1979) 0.1" NA
Oct 22 40° 65° 26° (1974) 85° (1979) 0.1" NA
Oct 23 39° 65° 21° (1969) 85° (1978) 0.1" NA
Oct 24 39° 65° 15° (1969) 84° (2001) 0.1" NA
Oct 25 39° 64° 27° (1969) 77° (1963) 0.11" NA
Oct 26 39° 64° 26° (1988) 82° (1978) 0.11" NA
Oct 27 38° 64° 21° (1988) 84° (1963) 0.11" NA
Oct 28 38° 63° 22° (1976) 83° (1984) 0.11" NA
Oct 29 38° 63° 19° (1976) 82° (1984) 0.11" NA
Oct 30 38° 63° 20° (1969) 81° (1996) 0.11" NA
Oct 31 37° 62° 21° (1968) 81° (2004) 0.11" NA
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