Sterling-Dulles Airport, VA: records

4 October 2026: The hottest day on record in Sterling-Dulles Airport, VA: 105°F on Friday 22 July 2011.

The record begins: 1960

All-time records

Hottest day: 105°F; 22 July 2011
Coldest night: -18°F; 22 January 1984
Wettest day: 10.67 in; 21 June 1972
Warmest night: 81°F; 16 July 2026
Coldest day: 6°F; 19 January 1994

Daily records by decade

New daily records set in Sterling-Dulles Airport, VA by decade since the 1990s: the most record highs, 116, came in the 1990s; the most record lows, 43, in the 1990s.

Record highs
Record lows

Every decade as a table

Decade	Record highs	Record lows	Years in the record
1960s	0	0	10
1970s	0	0	10
1980s	0	0	10
1990s	116	43	10
2000s	70	16	10
2010s	66	22	10
2020s	61	2	7

Records by month

Month	Highest	Lowest	Wettest day
January	79°F 26 January 2024	-18°F 22 January 1984	2.00 in 30 January 2013
February	80°F 23 February 2023, 21 February 2018	-14°F 18 February 1979	2.33 in 16 February 2003
March	89°F 30 March 1998, 12 March 1990	-1°F 4 March 2014, 15 March 1993	2.69 in 21 March 2019
April	93°F 6 April 2010, 17 April 2002, 25 April 1960	17°F 1 April 1969	3.99 in 30 April 2014
May	97°F 29 May 1969	28°F 7 May 1970	3.73 in 11 May 2008
June	102°F 29 June 2012	36°F 8 June 1977	10.67 in 21 June 1972
July	105°F 22 July 2011	41°F 1 July 1988	5.02 in 21 July 2018
August	104°F 20 August 1983	38°F 29 August 1982	4.68 in 11 August 1984
September	100°F 6 September 2023	30°F 24 September 1974	5.52 in 14 September 1966
October	96°F 2 October 2019	15°F 24 October 1969	4.26 in 29 October 2012
November	84°F 1 November 1982, 2 November 1971	9°F 24 November 1989	2.59 in 27 November 1993
December	79°F 6 December 1998	-4°F 25 December 1989	2.92 in 18 December 1977

Streaks, months and years

Longest heat streak	16 days	18 July to 2 August 2011	A high of 90°F or above
Longest cold streak	12 days	27 December 2017 to 7 January 2018	A high of 32°F or below
Wettest month	18.19 in	June 1972
Driest month	a trace	October 1963
Wettest year	66.74 in	2018
Driest year	27.02 in	2007

Every record in words

The coldest night on record in Sterling-Dulles Airport, VA: a low of -18°F on Sunday 22 January 1984.
The wettest day on record in Sterling-Dulles Airport, VA: 10.67 in on Wednesday 21 June 1972.
The warmest night on record in Sterling-Dulles Airport, VA: a low of 81°F on Thursday 16 July 2026.
The coldest day on record in Sterling-Dulles Airport, VA: a high of 6°F on Wednesday 19 January 1994.
The longest run of days with a high of 90°F or above in Sterling-Dulles Airport, VA: 16 days, from Monday 18 July to Tuesday 2 August 2011.
The longest run of days with a high of 32°F or below in Sterling-Dulles Airport, VA: 12 days, from Wednesday 27 December 2017 to Sunday 7 January 2018.
The wettest month on record in Sterling-Dulles Airport, VA: June 1972, with 18.19 in of precipitation.
The driest month on record in Sterling-Dulles Airport, VA: October 1963, with a trace of precipitation.
The wettest year on record in Sterling-Dulles Airport, VA: 2018, with 66.74 in of precipitation.
The driest year on record in Sterling-Dulles Airport, VA: 2007, with 27.02 in of precipitation.

Sterling-Dulles Airport, VA the day's answers