Flagstaff, AZ: Summer

31 August 2026: Summer 2026 averaged 67.3°F in Flagstaff, AZ, the warmest summer since 2024, 2nd warmest of 127.

Summer 2026

Mean temperature: 67.3°F; Warmest since 2024; 2nd warmest of 127
Precipitation: 5.32 in; Driest since 2025; 51st driest of 127

A normal summer in Flagstaff, AZ (1991 to 2020): a mean temperature of 64.2°F, between 62.2°F and 65.6°F in eight years of ten and 6.20 in of precipitation, between 2.59 in and 9.60 in in eight years of ten.

The mean temperature of every summer in Flagstaff, AZ since 1899: 67.3°F in 2026; the highest is 68.5°F, in 2024.

Normal range, 62.2 to 65.6°F

Every year, ranked, as a table

Every summer 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	67.3	2	82.8	4	51.7	3	5.32	77	0
2025	66.1	5	82.4	6	49.7	12	3.47	108	0
2024	68.5	1	84.2	1	52.7	1	5.80	68	0
2023	65.3	16	81.6	16	49	24	4.38	95	0
2022	65.5	12	79.8	56	51.2	5	9.28	13	0
2021	66.1	5	80.7	32	51.5	4	9.77	9	0
2020	65.8	8	82.8	4	48.8	30	1.78	126	0
2019	64.4	35	81.1	24	47.8	53	1.13	127	0
2018	65.6	11	81.3	21	50	11	8.67	19	0
2017	65.3	16	80.9	26	49.6	13	7.94	29	0
2016	64.3	38	80.1	49	48.6	33	10.17	5	0
2015	64.1	46	79	75	49.1	21	7.49	36	0
2014	64	49	79.1	69	48.9	27	9.63	10	0
2013	65	23	80	50	50.1	8	12.45	3	0
2012	65.4	13	80.6	35	50.2	7	6.04	62	0
2011	64.2	41	80.9	26	47.5	63	5.07	83	0
2010	64.2	41	79.1	69	49.3	17	9.59	11	0
2009	63.6	58	79.7	58	47.4	65	2.10	124	0
2008	65.4	13	80.8	29	50.1	8	4.77	87	0
2007	65.9	7	81.4	18	50.4	6	5.43	74	0
2006	64.9	26	79.8	56	50.1	8	7.55	32	0
2005	62.7	79	78.9	81	46.5	85	6.32	54	0
2004	62.4	91	78.8	87	46	96	6.20	59	0
2003	65.1	21	80.9	26	49.3	17	6.47	52	0
2002	66.4	4	83.3	2	49.4	16	3.60	104	0
2001	64	49	80.3	44	47.7	55	6.29	55	0
2000	64.6	30	80.8	29	48.3	42	4.23	96	0
1999	61.4	112	76	122	46.8	79	6.67	48	0
1998	62.1	103	78.3	92	45.8	101	7.54	33	0
1997	61.6	108	78.3	92	44.9	120	3.22	115	0
1996	65.3	16	81.9	11	48.7	32	2.71	121	0
1995	62.2	96	79.3	64	45.1	117	2.96	119	0
1994									29
1993	63.6	58	80.4	40	46.7	81	4.74	89	0
1992	62.8	74	78.9	81	46.7	81	8.79	17	0
1991	63.7	56	81.2	22	46.1	94	3.27	114	0
1990	64.6	30	81.4	18	47.8	53	6.27	56	0
1989	64.2	41	81.5	17	46.8	79	5.91	65	0
1988	64.4	35	80.3	44	48.6	33	10.11	7	0
1987	62.3	94	79.6	59	45	118	5.92	64	0
1986	63.6	58	79	75	48.2	45	15.84	1	0
1985	65	23	81.9	11	48.1	47	3.52	106	0
1984	62.7	79	78	100	47.4	65	8.19	25	0
1983	62.2	96	78.5	90	46	96	6.67	48	0
1982	62.2	96	78.6	89	45.8	101	4.21	97	0
1981	66.6	3	81.4	18	51.8	2	7.69	31	0
1980	65.4	13	82.3	7	48.6	33	4.93	84	0
1979	60.8	123	78	100	43.6	127	3.35	110	0
1978	63.9	52	82.2	8	45.6	108	1.94	125	0
1977	65.2	20	82	9	48.4	38	8.23	24	0
1976	62.7	79	80.6	35	44.8	123	4.40	94	0
1975	62.2	96	80.4	40	44	126	3.03	118	0
1974	65.8	8	83.2	3	48.4	38	5.16	80	0
1973	63.6	58	80.7	32	46.4	86	3.52	106	0
1972	62.3	94	78.9	81	45.8	101	6.65	50	0
1971	63.4	64	79.9	54	47	76	6.45	53	0
1970	64.8	27	80.6	35	49.1	21	7.80	30	0
1969	63.1	70	78.7	88	47.5	63	5.72	71	0
1968	61.4	112	77.4	105	45.5	112	4.90	85	0
1967	62.5	88	77.3	107	47.6	57	7.53	35	0
1966	63.6	58	79.6	59	47.6	57	5.38	76	0
1965	60.6	125	76.3	119	44.9	120	3.65	103	0
1964	62.5	88	78.1	99	47	76	6.72	46	0
1963	62.8	74	78.4	91	47.1	74	5.28	78	0
1962	62.6	86	79.5	61	45.7	106	3.14	117	0
1961	64.6	30	80.4	40	48.9	27	5.77	69	0
1960	65	23	81.7	13	48.3	42	4.63	91	0
1959	64.1	46	79.2	68	49	24	8.66	20	0
1958	64.5	33	80.4	40	48.5	36	4.47	93	0
1957	62.7	79	78.3	92	47.2	69	4.81	86	0
1956	62	105	79.1	69	45	118	5.40	75	0
1955	60.7	124	76.5	115	44.9	120	10.14	6	0
1954	62.2	96	77.8	102	46.6	83	6.21	58	0
1953	62.7	79	78.9	81	46.4	86	6.71	47	0
1952	62	105	78.3	92	45.7	106	5.11	82	0
1951	62.4	91	79	75	45.8	101	9.97	8	0
1950	61.5	109	78.2	98	44.7	125	5.26	79	0
1949	63.8	54	80	50	47.6	57	6.19	60	0
1948	63.9	52	81.7	13	46.1	94	3.29	113	0
1947	63.7	56	80.2	47	47.2	69	5.46	73	0
1946	65.3	16	81.7	13	49	24	8.24	23	0
1945	64.5	33	81	25	48	48	7.11	42	0
1944	63.3	66	80.3	44	46.4	86	2.51	123	0
1943	64.2	41	79.3	64	49.1	21	4.01	100	0
1942	64.3	38	80.8	29	48	48	3.15	116	3
1941	61.4	112	76.9	110	45.8	101	3.57	105	0
1940	65.8	8	82	9	49.6	13	3.96	101	0
1939	64.8	27	81.2	22	48.4	38	3.35	110	0
1938	63.1	70	79	75	47.1	74	5.85	66	0
1937	64.2	41	80	50	48.5	36	6.27	56	0
1936	65.1	21	80.7	32	49.6	13	7.32	39	0
1935	64	49	79.9	54	48.2	45	5.13	81	0
1934	63.3	66	79.1	69	47.4	65	6.53	51	0
1933	64.4	35	80	50	48.8	30	6.06	61	0
1932	63.2	68	78.9	81	47.6	57	7.07	43	0
1931	64.3	38	79.3	64	49.2	20	7.23	40	0
1930	62.9	73	78.3	92	47.6	57	8.14	26	0
1929	63.4	64	78.3	92	48.4	38	8.46	21	0
1928	63.2	68	79.1	69	47.2	69	4.17	98	0
1927	62.5	88	77.3	107	47.6	57	8.01	28	0
1926	62.8	74	79.4	62	46.2	91	3.38	109	0
1925	62.2	96	76.5	115	48	48	5.85	66	0
1924	63.8	54	80.5	38	47.2	69	3.31	112	0
1923	60.9	121	75.8	124	45.9	100	2.94	120	0
1922	64.1	46	79.4	62	48.9	27	7.35	38	0
1921	62.4	91	76.5	115	48.3	42	9.55	12	0
1920	61.5	109	77.8	102	45.3	115	3.76	102	0
1919	62.6	86	77.4	105	47.9	51	10.45	4	0
1918	62.8	74	77.8	102	47.9	51	9.02	16	0
1917	62.7	79	79	75	46.4	86	7.04	44	0
1916	61.3	116	76.9	110	45.6	108	5.75	70	0
1915	61.2	117	76.9	110	45.6	108	5.50	72	0
1914	61.4	112	75.5	125	47.4	65	8.07	27	0
1913	60.9	121	76.2	120	45.5	112	4.17	98	0
1912	60.3	126	74.9	126	45.6	108	5.97	63	0
1911	61	120	76	122	46	96	8.30	22	0
1910	63.1	70	79	75	47.2	69	7.42	37	0
1909	62.1	103	77.3	107	46.9	78	8.69	18	0
1908	61.1	119	76.1	121	46.2	91	9.28	13	0
1907	60	127	74.9	126	45.2	116	9.09	15	0
1906	61.7	107	76.9	110	46.4	86	4.67	90	0
1905	62.2	96	78.9	81	45.4	114	4.77	87	0
1904	61.2	117	76.4	118	46	96	12.73	2	0
1903	63.5	63	79.3	64	47.7	55	7.15	41	0
1902	62.8	74	79.1	69	46.6	83	7.54	33	0
1901	64.7	29	80.2	47	49.3	17	4.56	92	0
1900	62.7	79	80.5	38	44.8	123	2.65	122	0
1899	61.5	109	76.9	110	46.2	91	6.77	45	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2024	68.5
2026	67.3
1981	66.6
2002	66.4
2025	66.1
2021	66.1
2007	65.9
2020	65.8
1974	65.8
1940	65.8

Coldest
Year	Mean, °F
1907	60
1912	60.3
1965	60.6
1955	60.7
1979	60.8
1923	60.9
1913	60.9
1911	61
1908	61.1
1915	61.2
More years share the last value

Wettest
Year	Precipitation, in
1986	15.84
1904	12.73
2013	12.45
1919	10.45
2016	10.17
1955	10.14
1988	10.11
1951	9.97
2021	9.77
2014	9.63

Driest
Year	Precipitation, in
2019	1.13
2020	1.78
1978	1.94
2009	2.10
1944	2.51
1900	2.65
1996	2.71
1923	2.94
1995	2.96
1975	3.03

The hottest, coldest and wettest days

Hottest day: 92°F; 11 July 2026
Coldest night: 34°F; 1 July 2026
Wettest day: 1.43 in; 17 July 2026

Every month, season and year

Months

Seasons

Years

Flagstaff, AZ the day's answers

All-time records

Every answer in words

Summer 2026 brought 5.32 in of precipitation in Flagstaff, AZ, the driest summer since 2025, 51st driest of 127.
The hottest day of summer 2026 in Flagstaff, AZ: 92°F on Saturday 11 July 2026.
The coldest night of summer 2026 in Flagstaff, AZ: a low of 34°F on Wednesday 1 July 2026.
The wettest day of summer 2026 in Flagstaff, AZ: 1.43 in on Friday 17 July 2026.