Stillwater, OK: Summer

31 August 2026: Summer 2026 averaged 83.3°F in Stillwater, OK (2 days missing), the warmest summer since 2024, 11th warmest of 126.

Summer 2026

Mean temperature: 83.3°F; Warmest since 2024; 11th warmest of 126
Precipitation: 14.51 in; Wettest since 2018; 17th wettest of 127

A normal summer in Stillwater, OK (1991 to 2020): a mean temperature of 80.5°F, between 79°F and 83.5°F in eight years of ten and 11.03 in of precipitation, between 5.62 in and 15.76 in in eight years of ten.

The mean temperature of every summer in Stillwater, OK since 1894: 83.3°F in 2026; the highest is 87.8°F, in 2011.

Normal range, 79 to 83.5°F

Every year, ranked, as a table

Every summer in Stillwater, OK from 1893 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	83.3	11	94.6	15	71.9	6	14.51	17	2
2025	80.1	61	90.5	87	69.8	33	10.55	57	2
2024	83.7	8	95.6	12	71.8	7	6.56	98	0
2023	81.9	21	93.7	25	70.1	25	13.39	29	2
2022	84.6	4	97.4	7	71.8	7	7.82	86	0
2021	81.4	26	92.8	36	70	28	7.50	89	0
2020	81.5	25	93.2	28	69.8	33	9.65	71	0
2019	81.1	35	92.2	44	70.1	25	11.03	54	0
2018	81	36	92.1	46	69.9	31	15.07	14	0
2017	79.9	67	91.4	62	68.4	65	9.71	68	0
2016	81.8	22	93.2	28	70.4	18	11.26	51	0
2015	80.3	56	91.7	58	68.9	50	9.88	63	0
2014	79.4	81	91	77	67.7	89	13.77	26	0
2013	79.2	87	90.3	88	68.2	71	14.35	20	0
2012	83.7	8	97	8	70.4	18	4.59	116	0
2011	87.8	1	102.1	1	73.6	1	4.26	119	0
2010	83.5	10	94.5	17	72.5	2	9.85	64	0
2009	80.5	48	92.5	41	68.6	57	14.50	18	1
2008	80.8	40	91.8	56	69.8	33	12.62	34	2
2007							22.09	2	13
2006	84.4	5	97.9	6	70.9	11	6.54	99	5
2005	80	64	91.9	54	68.2	71	14.30	21	0
2004	75.9	125	86.5	125	65.4	123	13.14	30	0
2003	80.8	40	93.2	28	68.5	63			0
2002	80.1	61	91.3	65	68.9	50	11.39	48	1
2001	82.3	19	94.5	17	70	28	5.41	110	0
2000	79.9	67	91	77	68.7	55	11.65	45	2
1999	79.9	67	90.9	80	68.9	50	6.45	101	0
1998	82.8	15	95.6	12	69.9	31	5.67	108	0
1997	78.4	100	88.7	113	68	82	9.69	69	0
1996	79.5	76	90.3	88	68.6	57	13.10	31	0
1995	79.3	84	90.9	80	67.7	89	18.51	6	0
1994	80	64	91.8	56	68.2	71	8.78	77	2
1993	81	36	91.3	65	70.7	16	9.08	74	0
1992	76	124	85.8	126	66	116	19.31	4	2
1991	80.6	43	92.4	43	68.9	50	5.86	106	5
1990	80.6	43	92	52	69.2	42	6.06	105	1
1989	77	117	87.2	120	66.7	108	14.91	16	2
1988	80.6	43	93	32	68.2	71	4.93	115	1
1987	79.3	84	89.9	97	68.6	57	11.93	40	1
1986	79.5	76	90.2	91	68.6	57	12.42	37	4
1985	78.2	104	89.6	104	66.7	108	11.09	53	3
1984	80.5	48	92.9	33	68.2	71	6.97	95	0
1983	80.3	56	92.6	38	68.1	78	4.53	117	2
1982	79.2	87	90	95	68.5	63	7.73	88	1
1981	80.5	48	90.9	80	70	28	13.61	27	1
1980	83.9	7	95.9	10	71.8	7	11.77	42	0
1979	79	92	89.9	97	68.1	78	11.67	44	2
1978	80.9	39	92.9	33	69.1	45	6.11	104	3
1977	81.4	26	92.6	38	70.3	22	9.98	61	2
1976	79.2	87	91.3	65	67.2	100	5.05	114	0
1975	78.4	100	88.8	111	67.9	87	9.96	62	3
1974	77.9	112	89.9	97	65.7	119	9.78	67	4
1973	78.2	104	89.7	102	66.7	108	8.66	79	2
1972	79.3	84	91.1	72	67.4	95	9.37	72	3
1971	78.5	99	89.9	97	67.2	100	11.55	46	0
1970	79.8	71	92.1	46	67.5	93	8.00	83	0
1969	79.5	76	90.9	80	68	82	8.97	75	0
1968	79.4	81	91.1	72	67.8	88	5.81	107	0
1967	77	117	88.6	114	65.4	123	9.80	65	0
1966	79.8	71	91.3	65	68.4	65	14.41	19	0
1965	80	64	92.7	37	67.3	98	9.68	70	0
1964	81.3	31	94.1	22	68.6	57	8.75	78	0
1963	81.4	26	93.7	25	69.1	45	9.79	66	0
1962	79.6	74	91.5	60	67.7	89	12.55	36	0
1961	77.1	115	88.4	116	65.7	119	14.01	24	0
1960	78.8	95	90.2	91	67.4	95	15.14	12	2
1959	78	109	89.4	106	66.6	112	24.93	1	0
1958	80.2	59	92.1	46	68.3	68	17.86	7	0
1957	80.4	53	92.5	41	68.4	65	11.55	46	0
1956	84.4	5	98	5	70.9	11	3.79	121	0
1955	80.4	53	92.1	46	68.7	55	7.22	92	0
1954	85.5	3	98.8	4	72.2	5	4.45	118	0
1953	80.4	53	91.5	60	69.4	40	12.64	33	2
1952	81.7	23	93.1	31	70.3	22	10.53	58	0
1951	79.8	71	90.7	86	69	47	11.31	49	1
1950	76.5	121	86.9	122	66.2	114	11.71	43	0
1949	79.6	74	90.9	80	68.3	68	5.26	111	0
1948	78.6	98	89.2	109	68	82	16.22	9	0
1946									31
1945	78	109	89.6	104	66.4	113	11.14	52	1
1944	81.7	23	93.6	27	69.6	37	7.86	85	2
1943	83.2	12	95.9	10	70.5	17	3.38	123	0
1942	79	92	90.1	94	68	82	20.10	3	0
1941	79	92	91	77	67	103	8.47	80	0
1940	77.5	113	89.3	108	65.8	117	12.60	35	0
1939	81.2	34	94	24	68.3	68	10.72	56	0
1938	80.8	40	91.9	54	69.7	36	13.07	32	1
1937	83.2	12	94.2	20	72.3	4	11.83	41	1
1936	86	2	99.6	2	72.4	3	2.28	125	0
1935	80.2	59	91.1	72	69.5	38			1
1934			99.5	3					12
1933	81.3	31	92.1	46	70.4	18			0
1932	80.6	43	90.3	88	70.8	14	17.44	8	0
1931	81.4	26	92.2	44	70.4	18	7.76	87	5
1930	82.4	18	94.6	15	70.2	24	6.24	103	1
1929	80.5	48	91.2	71	70.1	25	5.20	112	8
1928	78.8	95	89.4	106	68.2	71	10.03	60	4
1927	77.1	115	87.3	119	66.9	105	14.20	22	0
1926	78.4	100	90	95	66.8	107	9.22	73	3
1925	82.7	17	94.1	22	70.9	11	7.08	94	4
1924	82	20	92.9	33	71	10	7.90	84	3
1923							1.32	126	23
1922	79.9	67	90.8	85	69	47	5.15	113	0
1921									31
1920	76.4	122	86.9	122	65.8	117	15.00	15	0
1919	80.6	43	92	52	69.2	42	7.42	90	0
1918	81.4	26	94.2	20	68.6	57	6.52	100	0
1917	78.7	97	90.2	91	67	103	14.11	23	3
1916	79.1	90	91.1	72	67.2	100	10.21	59	0
1915	74.1	126	84	127	64.2	126	8.12	81	0
1914	82.8	15	94.8	14	70.8	14	3.51	122	0
1913	81.3	31	94.4	19	68.1	78	5.42	109	0
1912	79.4	81	91.3	65	67.5	93	8.12	81	3
1911	81	36	92.6	38	69.4	40	15.98	10	0
1910	79.5	76	91.4	62	67.7	89	6.36	102	3
1909	80.5	48	92.1	46	68.9	50	6.89	96	1
1908	77.2	114	87.4	118	66.9	105	12.31	39	0
1907	79.1	90	89.9	97	68.2	71	12.39	38	0
1906	76.1	123	86.8	124	65.5	122	15.36	11	2
1905	78.2	104	88.9	110	67.4	95	15.10	13	0
1904	76.7	119	87.1	121	66.2	114	19.14	5	2
1903	76.7	119	87.7	117	65.6	121	6.68	97	1
1902	79.5	76	91.1	72	68	82	7.21	93	3
1901	82.9	14	96.3	9	69.5	38	4.22	120	2
1900	80.1	61	91.3	65	69	47	7.36	91	0
1899	80.3	56	91.4	62	69.2	42	10.75	55	0
1898	78	109	88.8	111	67.3	98	13.86	25	2
1897	78.2	104	89.7	102	66.7	108	11.27	50	3
1896							8.90	76	34
1895	78.3	103	88.6	114	68.1	78	13.48	28	1
1894	78.2	104	91.6	59	64.8	125	2.97	124	0
1893							1.24	127	66

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2011	87.8
1936	86
1954	85.5
2022	84.6
2006	84.4
1956	84.4
1980	83.9
2024	83.7
2012	83.7
2010	83.5

Coldest
Year	Mean, °F
1915	74.1
2004	75.9
1992	76
1906	76.1
1920	76.4
1950	76.5
1904	76.7
1903	76.7
1989	77
1967	77

Wettest
Year	Precipitation, in
1959	24.93
2007	22.09
1942	20.10
1992	19.31
1904	19.14
1995	18.51
1958	17.86
1932	17.44
1948	16.22
1911	15.98

Driest
Year	Precipitation, in
1893	1.24
1923	1.32
1936	2.28
1894	2.97
1943	3.38
1914	3.51
1956	3.79
1901	4.22
2011	4.26
1954	4.45

The hottest, coldest and wettest days

Hottest day: 108°F; 18 August 2026
Coldest night: 60°F; 16 June 2026
Wettest day: 3.14 in; 26 June 2026

Every month, season and year

Months

Seasons

Years

Stillwater, OK the day's answers

All-time records

Every answer in words

Summer 2026 brought 14.51 in of precipitation in Stillwater, OK (1 day missing), the wettest summer since 2018, 17th wettest of 127.
The hottest day of summer 2026 in Stillwater, OK: 108°F on Tuesday 18 August 2026.
The coldest night of summer 2026 in Stillwater, OK: a low of 60°F on Tuesday 16 June 2026.
The wettest day of summer 2026 in Stillwater, OK: 3.14 in on Friday 26 June 2026.