Sterling-Dulles Airport, VA: May

31 May 2026: May 2026 averaged 63.3°F in Sterling-Dulles Airport, VA, the coldest May since 2023, tied 32nd coldest of 65 (with 1979).

May 2026

Mean temperature: 63.3°F; Coldest since 2023; 32nd coldest of 65
Precipitation: 4.60 in; Wettest since 2025; 26th wettest of 65

A normal May in Sterling-Dulles Airport, VA (1991 to 2020): a mean temperature of 63.2°F, between 59.7°F and 68.9°F in eight years of ten and 4.63 in of precipitation, between 2.18 in and 8.73 in in eight years of ten.

The mean temperature of every May in Sterling-Dulles Airport, VA since 1962: 63.3°F in 2026; the lowest is 55.8°F, in 1967.

Normal range, 59.7 to 68.9°F

Every year, ranked, as a table

Every May in Sterling-Dulles Airport, VA from 1960 to 2026, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.

Year	Mean, °F	Rank	High, °F	Rank	Low, °F	Rank	Precipitation, in	Rank	Days missing
2026	63.3	33	74.9	31	51.7	30	4.60	26	0
2025	64.5	20	73.8	41	55.2	11	6.07	13	0
2024	67.6	7	77.7	13	57.5	5	4.22	32	0
2023	62.1	41	74.6	34	49.6	47	1.48	61	0
2022	65.8	15	75.9	27	55.6	10	6.85	10	0
2021	62.7	37	75.5	28	50	45	2.87	47	0
2020	61.5	46	71.3	57	51.8	29	2.40	53	0
2019	67.9	6	78.2	11	57.6	4	5.05	19	0
2018	69.6	2	80.2	3	59	2	8.92	4	0
2017	62.4	40	72.5	46	52.3	24	8.49	6	0
2016	61.9	42	71.1	59	52.8	20	6.08	12	0
2015	68.9	4	80.3	2	57.5	5	2.46	52	0
2014	64.2	24	75.4	29	53	19	6.34	11	0
2013	63.5	29	74.4	38	52.5	22	3.20	43	0
2012	68.5	5	78.8	8	58.1	3	5.38	17	0
2011	66.3	11	76.5	23	56.1	9	3.28	42	0
2010	67	8	77.7	13	56.3	8	5.42	16	0
2009	65	18	74.8	33	55.2	11	10.26	1	0
2008	61.1	48	72.6	45	49.6	47	9.38	3	0
2007	66.1	12	78.5	9	53.6	18	0.34	65	0
2006	62.8	35	74.5	36	51	37	1.80	57	0
2005	59.6	59	70.8	60	48.5	53	4.86	22	0
2004	69.8	1	80.2	3	59.3	1	3.06	45	0
2003	59.7	56	67.8	64	51.7	30	8.71	5	0
2002	61.8	43	74.3	39	49.4	49	4.73	25	0
2001	62.6	39	74.5	36	50.7	38	5.68	15	0
2000	64.6	19	76.8	20	52.4	23	2.57	51	0
1999	62.8	35	76.5	23	49.1	52	2.22	56	0
1998	65.9	13	76.7	22	55.2	11	4.52	27	0
1997	58.8	62	71.9	52	45.7	63	2.87	47	0
1996	59.6	59	70	63	49.3	50	7.07	9	0
1995	62.7	37	74.3	39	51.1	35	5.13	18	0
1994	59.8	54	73.5	42	46.2	62	3.19	44	0
1993	64.5	20	77	17	52	26	2.85	50	0
1992	59.7	56	71.6	56	47.8	58	3.82	37	0
1991	69.3	3	81.5	1	57.1	7	1.51	60	0
1990	61.6	45	72.5	46	50.6	39	4.37	28	0
1989	61.4	47	72.5	46	50.2	42	7.71	8	0
1988	63.5	29	75.4	29	51.6	32	10.26	1	0
1987	64.2	24	77	17	51.5	33	2.33	54	0
1986	64.2	24	77.7	13	50.6	39	1.19	62	0
1985	63.8	28	76.5	23	51.1	35	4.82	23	0
1984	59.8	54	72	51	47.5	59	4.23	31	0
1983	59.4	61	71.9	52	46.9	60	3.63	39	0
1982	66.8	10	79.5	5	54	16	3.57	40	0
1981	60.8	50	73.4	44	48.3	55	4.36	30	0
1980	65.7	16	78.9	7	52.6	21	3.86	35	0
1979	63.3	33	74.6	34	52	26	4.89	21	0
1978	63.4	32	74.9	31	51.9	28	5.05	19	0
1977	64.4	23	77.4	16	51.5	33	2.33	54	0
1976	58.1	64	70.6	62	45.6	64	4.18	33	0
1975	65.2	17	76.1	26	54.2	15	2.99	46	0
1974	61	49	71.8	54	50.3	41	3.78	38	0
1973	59.7	56	71.2	58	48.3	55	3.97	34	0
1972	61.8	43	73.5	42	50	45	4.76	24	0
1971	60	53	71.7	55	48.4	54	8.47	7	0
1970	63.5	29	76.8	20	50.2	42	2.86	49	0
1969	64.2	24	78.4	10	50.1	44	0.99	63	0
1968	58.5	63	70.8	60	46.3	61	5.90	14	0
1967	55.8	65	67.8	64	43.9	65	4.37	28	0
1966	60.7	51	72.2	49	49.3	50	3.84	36	0
1965	66.9	9	79.4	6	54.4	14	1.77	58	0
1964	64.5	20	77	17	52.1	25	0.80	64	0
1963	60.1	52	72.1	50	48.1	57	1.52	59	0
1962	65.9	13	77.9	12	53.9	17	3.51	41	0
1960									10

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2004	69.8
2018	69.6
1991	69.3
2015	68.9
2012	68.5
2019	67.9
2024	67.6
2010	67
1965	66.9
1982	66.8

Coldest
Year	Mean, °F
1967	55.8
1976	58.1
1968	58.5
1997	58.8
1983	59.4
2005	59.6
1996	59.6
2003	59.7
1992	59.7
1973	59.7

Wettest
Year	Precipitation, in
2009	10.26
1988	10.26
2008	9.38
2018	8.92
2003	8.71
2017	8.49
1971	8.47
1989	7.71
1996	7.07
2022	6.85

Driest
Year	Precipitation, in
2007	0.34
1964	0.80
1969	0.99
1986	1.19
2023	1.48
1991	1.51
1963	1.52
1965	1.77
2006	1.80
1999	2.22

The hottest, coldest and wettest days

Hottest day: 96°F; 19 May 2026
Coldest night: 37°F; 8 May 2026
Wettest day: 1.11 in; 24 May 2026

Every month, season and year

Months

Seasons

Years

Sterling-Dulles Airport, VA the day's answers

All-time records

Every answer in words

May 2026 brought 4.60 in of precipitation in Sterling-Dulles Airport, VA, the wettest May since 2025, 26th wettest of 65.
The hottest day of May 2026 in Sterling-Dulles Airport, VA: 96°F on Tuesday 19 May 2026.
The coldest night of May 2026 in Sterling-Dulles Airport, VA: a low of 37°F on Friday 8 May 2026.
The wettest day of May 2026 in Sterling-Dulles Airport, VA: 1.11 in on Sunday 24 May 2026.