Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 08-11
Record Highs
-
1: 99°F (2021)
-
2: 97°F (2010)
-
3: 96°F (1980)
Record Lows
-
1: 47°F (1972)
-
2: 53°F (1962)
-
3: 54°F (1976)
Lowest Highs
-
1: 75°F (2016)
-
2: 75°F (1988)
-
3: 74°F (2009)
Highest Lows
-
1: 69°F (1989)
-
2: 77°F (1984)
-
3: 77°F (1968)
Highest August temperature:
104°F on 08-20-1983.
Lowest August temperature:
38°F on 08-29-1982.
Average temperature is 76.4°F
Average high is 86.5°F
Average low is 66.3°F
Temperature data from 1960 to 2022.
Record Precipitation
-
1: 4.68" (1984)
-
2: 1.60" (2001)
-
3: 1.14" (1966)
Precipitation data from 1960 to 2022.