Flagstaff, AZ: May

31 May 2026: May 2026 averaged 52.6°F in Flagstaff, AZ, the warmest May since 2025, tied 30th warmest of 125 (with 2025, 2004 and 1970).

May 2026

Mean temperature: 52.6°F; Warmest since 2025; 30th warmest of 125
Precipitation: 0.26 in; Driest since 2024; 44th driest of 128

A normal May in Flagstaff, AZ (1991 to 2020): a mean temperature of 52.1°F, between 47.4°F and 54.7°F in eight years of ten and 0.43 in of precipitation, between 0.00 in and 1.83 in in eight years of ten.

The mean temperature of every May in Flagstaff, AZ since 1899: 52.6°F in 2026; the highest is 56.8°F, in 1984.

Normal range, 47.4 to 54.7°F

Every year, ranked, as a table

Every May in Flagstaff, AZ from 1899 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	52.6	30	69.8	34	35.4	37	0.26	84	0
2025	52.6	30	69.3	38	35.9	27	0.37	73	0
2024	51.8	48	69.3	38	34.2	64	0.01	115	0
2023	51.6	51	67.7	55	35.4	37	1.26	22	0
2022	53.6	18	70.9	23	36.4	17	trace	117	0
2021	51.7	49	69.9	32	33.5	75	0.52	63	0
2020	54.5	8	73	5	35.9	27	0.30	80	0
2019	45.1	122	58.8	124	31.4	107	3.02	2	0
2018	52.4	36	69.9	32	34.9	46	0.62	58	0
2017	50.5	70	67	69	34.1	66	0.79	41	0
2016	48.5	95	63.8	103	33.1	79	1.57	16	0
2015	47.6	102	61.1	114	34.1	66	1.80	12	0
2014	51.3	56	67.9	53	34.7	56	0.12	99	0
2013	51.3	56	68.9	44	33.6	73	0.23	86	0
2012	53.4	20	71.9	12	34.8	52	0.00	126	0
2011	48	99	63.7	104	32.2	96	0.87	37	0
2010	48.3	97	65.2	88	31.5	104	0.10	101	0
2009	55.9	2	72.3	8	39.6	1	2.08	6	0
2008	48.5	95	64.2	100	32.8	89	1.17	25	0
2007	53.1	24	70.4	26	35.8	30	0.14	92	0
2006	54.4	9	72.5	6	36.2	20	0.08	103	0
2005	52.5	34	69.1	41	35.8	30	0.08	103	0
2004	52.6	30	70.4	26	34.8	52	0.00	126	0
2003	53.8	15	70.5	25	37.1	9	0.73	44	0
2002	52.1	42	71.1	19	33.1	79	0.00	126	0
2001	55.3	5	73.2	4	37.4	7	0.82	40	0
2000	55.4	4	73.8	2	37	11	0.12	99	0
1999	49.4	84	66.2	82	32.5	93	0.42	69	0
1998	46.8	108	62	108	31.5	104	1.31	21	0
1997	54.1	11	72	10	36.2	20	0.08	103	0
1996							trace	117	4
1995	46.2	114	59.8	121	32.6	92	0.88	36	2
1994	51.6	51	67.9	53	35.4	37	1.01	30	0
1993	53.9	13	71.5	16	36.2	20	0.44	66	0
1992	53.3	21	67.3	66	39.3	2	4.14	1	0
1991	49.4	84	66.7	73	32	99	0.14	92	0
1990	50.3	72	67.6	56	32.9	83	0.73	44	0
1989	54.1	11	71.3	18	37	11	0.62	58	0
1988	50.8	63	68.8	45	32.7	91	0.14	92	0
1987	50.7	66	66.5	75	34.8	52	0.70	51	0
1986	52	44	69.5	35	34.5	60	0.72	47	0
1985	51.5	55	68.8	45	34.2	64	0.26	84	0
1984	56.8	1	75.8	1	37.7	5	0.21	87	0
1983	49.8	77	67.5	60	32.2	96	0.06	109	0
1982	49.8	77	66.1	83	33.6	73	0.86	38	0
1981	52	44	66.5	75	37.6	6	0.72	47	0
1980	45.6	119	60.3	117	30.8	116	1.79	13	0
1979	47.9	101	62.4	107	33.3	77	2.16	5	0
1978	49.3	89	67.4	62	31.3	109	0.27	82	0
1977	47.4	104	63.9	102	30.8	116	0.96	35	0
1976	52.8	27	69	43	36.5	16	1.65	15	0
1975	47.5	103	65.2	88	29.8	124	1.16	27	0
1974	54.8	7	73.5	3	36.1	24	trace	117	0
1973	52.8	27	69.3	38	36.2	20	1.17	25	0
1972	46.3	113	65.2	88	27.5	127	0.14	92	0
1971	46.7	109	62.8	105	30.7	118	1.23	23	0
1970	52.6	30	71	21	34.1	66	trace	117	0
1969	52.4	36	69.5	35	35.3	42	1.06	28	0
1968	50.2	74	67.4	62	32.9	83	0.55	61	1
1967	48.7	91	66.1	83	31.2	113	0.41	70	0
1966	53.7	17	71.5	16	35.8	30	trace	117	0
1965	46.7	109	61.5	111	31.8	100	1.88	10	0
1964	49.4	84	66.3	80	32.5	93	0.84	39	0
1963	52.7	29	71.1	19	34.3	62	0.05	111	0
1962	48	99	64.6	98	31.4	107	0.99	32	0
1961	48.7	91	66.9	70	30.6	120	0.28	81	0
1960	50.5	70	67.6	56	33.4	76	0.71	50	0
1959	49.7	79	65.2	88	34.3	62	0.64	57	0
1958	53.9	13	72	10	35.7	34	0.45	65	0
1957	45.9	116	60.5	116	31.3	109	2.02	7	0
1956	51.6	51	70.3	29	33	82	0.17	90	0
1955	48.1	98	65.1	93	31.1	114	0.21	87	0
1954	53	26	70	31	35.9	27	0.44	66	0
1953	44.9	124	60.1	118	29.8	124	0.27	82	0
1952	52.2	39	69.4	37	35.1	44	trace	117	0
1951	50.7	66	66.1	83	35.2	43	1.00	31	0
1950	48.6	94	66.6	74	30.5	121	0.35	75	0
1949	50.8	63	66.8	71	34.8	52	1.03	29	0
1948	53.1	24	70.7	24	35.4	37	0.13	96	0
1947	55.3	5	72.2	9	38.5	4	0.98	34	0
1946	51.3	56	68.1	52	34.4	61	0.46	64	0
1945	51.9	46	68.4	49	35.4	37	trace	117	0
1944	50.9	62	66.3	80	35.5	35	0.99	32	0
1943					36.9	15	0.18	89	4
1942					32.8	89	trace	117	5
1941	51.3	56	65.6	87	37	11	0.70	51	0
1940	54.3	10	71.6	15	37	11	0.15	91	0
1939	52.5	34	70.1	30	34.9	46	0.08	103	0
1938	50.8	63	67.6	56	34	70	0.13	96	0
1937	53.5	19	71	21	36	25	0.31	79	0
1936	53.3	21	71.9	12	34.6	59	0.09	102	0
1935	47.2	105	61.2	113	33.1	79	0.72	47	0
1934	55.6	3	72.4	7	38.7	3	1.41	19	0
1933	45.9	116	61	115	30.7	118	0.66	56	0
1932	49.5	81	65.2	88	33.8	71	0.69	53	0
1931	51.9	46	69.1	41	34.7	56	0.33	77	0
1930	45.4	120	59.7	122	31.1	114	0.73	44	0
1929	51.3	56	67.6	56	35.1	44	0.38	72	0
1928	52.3	38	68.2	51	36.4	17	0.62	58	0
1927	51	61	67.2	68	34.9	46	0.39	71	0
1926	50	76	65	95	34.9	46	0.77	42	0
1925	53.8	15	70.4	26	37.3	8	0.08	103	0
1924	52.1	42	68.8	45	35.5	35	0.03	113	0
1923	51.6	51	68.3	50	34.9	46	0.32	78	0
1922	50.6	69	66.5	75	34.7	56	1.20	24	0
1921	47.2	105	61.9	109	32.4	95	2.00	8	0
1920	50.3	72	66.4	79	34.1	66	0.53	62	0
1919	52.2	39	67.4	62	37.1	9	1.78	14	0
1918	46.6	111	61.9	109	31.3	109	0.01	115	0
1917	44.6	125	57.5	125	31.6	103	0.75	43	0
1916	49.4	84	65.9	86	32.9	83	0.37	73	0
1915	45.1	122	59	123	31.3	109	2.40	3	0
1914	50.2	74	67.5	60	32.9	83	0.44	66	0
1913	49.5	81	67.3	66	31.8	100	trace	117	0
1912	48.7	91	64.2	100	33.3	77	0.05	111	0
1911	49.5	81	66.8	71	32.2	96	0.08	103	0
1910	53.3	21	71.8	14	34.9	46	0.03	113	0
1909	47.1	107	64.3	99	29.9	123	0.13	96	0
1908	45.3	121	60.1	118	30.5	121	1.43	18	0
1907	46.6	111	61.3	112	31.8	100	0.67	55	0
1906	49.4	84	65	95	33.7	72	0.34	76	0
1905	45.7	118	60	120	31.5	104	1.82	11	0
1904	51.7	49	67.4	62	36	25	1.90	9	0
1903	48.8	90	64.7	97	32.9	83	1.39	20	0
1902	49.7	79	66.5	75	32.9	83	0.69	53	0
1901	50.7	66	65.1	93	36.3	19	2.27	4	0
1900	52.2	39	68.5	48	35.8	30	1.50	17	0
1899	46	115	62.6	106	29.4	126	0.06	109	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1984	56.8
2009	55.9
1934	55.6
2000	55.4
2001	55.3
1947	55.3
1974	54.8
2020	54.5
2006	54.4
1940	54.3

Coldest
Year	Mean, °F
1917	44.6
1953	44.9
2019	45.1
1915	45.1
1908	45.3
1930	45.4
1980	45.6
1905	45.7
1957	45.9
1933	45.9

Wettest
Year	Precipitation, in
1992	4.14
2019	3.02
1915	2.40
1901	2.27
1979	2.16
2009	2.08
1957	2.02
1921	2.00
1904	1.90
1965	1.88

Driest
Year	Precipitation, in
2012	0.00
2004	0.00
2002	0.00
2022	trace
1996	trace
1974	trace
1970	trace
1966	trace
1952	trace
1945	trace
More years share the last value

The hottest, coldest and wettest days

Hottest day: 82°F; 12 May 2026
Coldest night: 26°F; 19 May 2026
Wettest day: 0.18 in; 5 May 2026

Every month, season and year

Months

Seasons

Years

Flagstaff, AZ the day's answers

All-time records

Every answer in words

May 2026 brought 0.26 in of precipitation in Flagstaff, AZ, the driest May since 2024, tied 44th driest of 128 (with 1985).
The hottest day of May 2026 in Flagstaff, AZ: 82°F on Tuesday 12 May 2026.
The coldest night of May 2026 in Flagstaff, AZ: a low of 26°F on Tuesday 19 May 2026.
The wettest day of May 2026 in Flagstaff, AZ: 0.18 in on Tuesday 5 May 2026.