Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 12-18
Record Highs
-
1: 76°F (2006)
-
2: 69°F (1984)
-
3: 66°F (1990)
Record Lows
-
1: 3°F (1989)
-
2: 12°F (1973)
-
3: 12°F (1972)
Lowest Highs
-
1: 49°F (1984)
-
2: 46°F (2006)
-
3: 45°F (2021)
Highest Lows
-
1: 25°F (1989)
-
2: 28°F (1973)
-
3: 32°F (1988)
Highest December temperature:
79°F on 12-06-1998.
Lowest December temperature:
-4°F on 12-25-1989.
Average temperature is 36.8°F
Average high is 45.4°F
Average low is 28.2°F
Temperature data from 1960 to 2022.
Record Precipitation
-
1: 2.92" (1977)
-
2: 0.52" (1986)
-
3: 0.43" (1990)
Precipitation data from 1960 to 2022.