Dulles, Virginia
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 24° 42° -18° (1984) 75° (1975) 2.68" 7.3"
February 26° 47° -14° (1979) 79° (2000) 2.83" 7.6"
March 33° 56° -1° (1993) 89° (1998) 3.38" 2.8"
April 42° 67° 17° (1969) 93° (2002) 3.47" 0.3"
May 51° 75° 28° (1970) 97° (1969) 4.55" 0"
June 61° 84° 36° (1977) 100° (1964) 3.98" 0"
July 66° 88° 41° (1988) 104° (1988) 3.67" 0"
August 64° 87° 38° (1982) 104° (1983) 3.53" 0"
September 56° 79° 30° (1974) 99° (1983) 3.92" 0"
October 44° 68° 15° (1969) 94° (2007) 3.25" 0"
November 35° 58° 9° (1989) 84° (1982) 3.41" 0.5"
December 27° 46° -4° (1989) 79° (1998) 2.96" 3.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 29° 50° 11° (1980) 77° (1972) 0.09" 0.2"
Mar 2 29° 51° 12° (1980) 77° (1972) 0.09" 0.1"
Mar 3 29° 51° 12° (1980) 74° (1967) 0.1" 0.2"
Mar 4 29° 51° 6° (1980) 79° (1983) 0.09" 0.1"
Mar 5 30° 52° 7° (1978) 79° (1976) 0.09" 0.1"
Mar 6 30° 52° 15° (1978) 70° (2004) 0.1" 0.1"
Mar 7 30° 52° 14° (1985) 76° (1974) 0.1" 0.2"
Mar 8 31° 53° 11° (2007) 84° (2000) 0.09" 0.1"
Mar 9 31° 53° 14° (1996) 79° (2000) 0.11" 0.1"
Mar 10 31° 53° 7° (1996) 78° (2006) 0.09" 0.1"
Mar 11 31° 54° 13° (1996) 77° (1990) 0.1" 0.2"
Mar 12 32° 54° 18° (1998) 89° (1990) 0.1" 0.1"
Mar 13 32° 54° 16° (1998) 87° (1990) 0.1" 0.1"
Mar 14 32° 55° 15° (1993) 88° (1990) 0.11" 0"
Mar 15 33° 55° -1° (1993) 82° (1990) 0.11" 0.1"
Mar 16 33° 55° 16° (1969) 81° (1990) 0.12" 0.1"
Mar 17 33° 56° 16° (1970) 77° (1963) 0.11" 0.1"
Mar 18 33° 56° 13° (1976) 80° (1989) 0.11" 0.1"
Mar 19 34° 57° 10° (1967) 74° (1986) 0.12" 0"
Mar 20 34° 57° 18° (1981) 77° (1976) 0.11" 0.1"
Mar 21 34° 57° 14° (1965) 78° (2010) 0.12" 0.1"
Mar 22 35° 58° 12° (1988) 83° (1968) 0.12" 0.1"
Mar 23 35° 58° 17° (1969) 83° (1994) 0.11" 0"
Mar 24 35° 59° 21° (1984) 79° (1994) 0.12" 0.1"
Mar 25 36° 59° 17° (1971) 76° (2003) 0.12" 0"
Mar 26 36° 59° 17° (1983) 78° (2004) 0.12" 0.1"
Mar 27 36° 60° 17° (2001) 85° (1998) 0.13" 0.1"
Mar 28 37° 60° 18° (2001) 86° (1989) 0.12" 0"
Mar 29 37° 61° 20° (1982) 86° (1998) 0.13" 0"
Mar 30 37° 61° 22° (1970) 89° (1998) 0.13" 0.1"
Mar 31 38° 61° 17° (1964) 85° (1998) 0.12" 0"
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