Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 07-21
Record Highs
-
1: 101°F (1991)
-
2: 100°F (2019)
-
3: 100°F (2011)
Record Lows
-
1: 48°F (1966)
-
2: 52°F (2001)
-
3: 53°F (1996)
Lowest Highs
-
1: 77°F (1987)
-
2: 75°F (2022)
-
3: 75°F (2011)
Highest Lows
-
1: 69°F (2012)
-
2: 74°F (2018)
-
3: 75°F (1984)
Highest July temperature:
105°F on 07-22-2011.
Lowest July temperature:
41°F on 07-01-1988.
Average temperature is 77.5°F
Average high is 87.3°F
Average low is 67.6°F
Temperature data from 1960 to 2022.
Record Precipitation
-
1: 5.02" (2018)
-
2: 1.15" (1973)
-
3: 1.06" (1992)
Precipitation data from 1960 to 2022.