Oswego, NY: Summer

31 August 2026: Summer 2026 averaged 70.2°F in Oswego, NY, the warmest summer since 2025, 20th warmest of 100.

Summer 2026

Mean temperature: 70.2°F; Warmest since 2025; 20th warmest of 100
Precipitation: 8.01 in; Driest since 2025; 43rd driest of 99

A normal summer in Oswego, NY (1991 to 2020): a mean temperature of 69.2°F, between 67.6°F and 71.5°F in eight years of ten and 10.68 in of precipitation, between 6.59 in and 14.54 in in eight years of ten.

The mean temperature of every summer in Oswego, NY since 1926: 70.2°F in 2026; the highest is 73°F, in 2005.

Normal range, 67.6 to 71.5°F

Every year, ranked, as a table

Every summer in Oswego, NY from 1926 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	70.2	20	77.7	36	62.6	11	8.01	57	0
2025	71	10	78.8	17	63.3	6	7.34	73	0
2024	70.9	11	78	33	63.9	5	14.85	5	0
2023	69.3	30	76	67	62.5	14	12.97	13	0
2022	70.6	16	78.2	30	63.1	7	11.20	22	0
2021	71.6	4	78.5	19	64.7	1	13.98	9	0
2020	71.7	3	79.2	12	64.2	4	9.42	41	0
2019	68.8	44	76.9	53	60.8	32	14.36	7	0
2018	70.8	13	79.1	14	62.6	11	6.31	85	0
2017	68.8	44	77	51	60.7	36	12.11	15	0
2016	71.1	8	79.2	12	63	9	9.82	38	0
2015	67.7	65	75.8	73	59.6	58	11.46	20	0
2014	67.8	63	76	67	59.6	58	11.04	23	0
2013	69	39	76.4	59	61.6	23	13.36	11	0
2012	71.2	7	79.5	11	62.9	10			0
2011	70.8	13	79.1	14	62.6	11	10.90	25	0
2010	70.9	11	78.7	18	63.1	7	16.06	2	1
2009	66.4	89	74.7	80	58.1	88	8.46	51	0
2008	69.2	31	77.8	34	60.6	39	14.95	4	0
2007	69.1	34	78.3	29	59.8	52	6.90	77	0
2006	70	21	77.6	39	62.3	15	12.75	14	0
2005	73	1	81.6	1	64.4	2	10.98	24	0
2004	66.7	84	74.7	80	58.6	79	10.53	29	1
2003	68.6	49	77.3	47	59.9	50	8.18	54	0
2002	70.5	18	79.8	8	61.3	24	6.41	83	0
2001	69.6	28	78.5	19	60.7	36	7.67	65	1
2000	67.7	65	76	67	59.5	63	11.33	21	1
1999	71.5	5	80.8	3	62.2	17	6.02	87	0
1998	69.1	34	78.1	31	60.1	45	13.67	10	1
1997	67.9	60	77.5	45	58.5	82	6.67	79	2
1996	68.7	47	77.3	47	60.1	45	10.83	26	0
1995	71.5	5	81.1	2	61.9	20	7.18	75	0
1994	69.1	34	78.5	19	59.6	58			0
1993	69.2	31	78.5	19	60	47	6.78	78	0
1992	65	98	73.5	98	56.6	99	18.64	1	1
1991	70.7	15	80.2	5	61.2	27	8.86	48	0
1990	69.1	34	78.5	19	59.8	52	8.00	58	0
1989	68.7	47	77.7	36	59.6	58	10.08	35	0
1988	70	21	80.2	5	59.8	52	9.40	42	0
1987	70.5	18	80.1	7	60.8	32	7.77	63	0
1986	67.2	75	76.3	64	58.1	88	9.94	37	0
1985	67	79	76.7	55	57.4	96	9.12	46	0
1984	69	39	78.4	25	59.8	52	10.30	33	1
1983	69.9	23	79.8	8	60	47	6.41	83	0
1982	66	95	75.3	75	56.7	98	7.40	71	0
1981	68.5	51	77.6	39	59.4	66	11.77	17	0
1980	67.4	70	76.5	57	58.3	86	9.03	47	0
1979	67.9	60	77.6	39	58.3	86	10.34	31	1
1978	68.5	51	78.4	25	58.7	75	7.68	64	0
1977	67.1	76	76.2	65	57.9	92	10.71	28	1
1976	67.5	69	76.5	57	58.4	83	14.31	8	0
1975	69.8	25	78.4	25	61.1	29	14.76	6	0
1974	68.4	56	77.6	39	59.2	68	13.25	12	2
1973	71.1	8	80.3	4	62	19	7.84	61	0
1972	66.8	83	75.3	75	58.4	83	15.30	3	0
1971	67.4	70	77.3	47	57.5	95	11.68	19	0
1970	68.5	51	78.5	19	58.6	79	9.67	39	0
1969	68.5	51	78.4	25	58.7	75	8.62	50	0
1968	66.5	87	74.3	91	58.8	73	9.33	43	5
1967	69.1	34	76.4	59	61.8	22	7.47	69	0
1966	68.3	58	76	67	60.6	39	6.57	80	0
1965	66.1	93	74.4	87	57.9	92	9.47	40	0
1964	66.6	86	74.4	87	58.9	71	5.15	94	0
1963	66	95	74.1	96	57.8	94	5.58	91	0
1962	67.1	76	74.4	87	59.8	52	7.47	69	1
1961	67.7	65	74.6	83	60.8	32	8.80	49	0
1960	66.4	89	74.3	91	58.4	83	5.40	93	4
1959	69.9	23	77.7	36	62.1	18	7.90	60	4
1958	66.5	87	74.5	86	58.7	75	11.73	18	2
1957					59.9	50	8.31	53	34
1956	66.2	92	73.7	97	58.6	79	8.15	55	2
1955	70.6	16	79.1	14	62.3	15	4.87	98	4
1954	66.7	84	74.2	94	59.1	69	6.56	81	0
1953	68.6	49	77.6	39	59.6	58	5.09	95	0
1952	69.5	29	77.8	34	61.3	24	5.98	88	0
1951	66.9	81	74.7	80	59.1	69	9.26	44	0
1950	66.9	81	75.2	78	58.7	75	10.34	31	0
1949	72.1	2	79.8	8	64.3	3	5.03	96	0
1948	67.9	60	75.6	74	60.2	42	7.35	72	0
1947	68.5	51	76.4	59	60.7	36	11.96	16	1
1946	66.1	93	74.3	91	58	91	7.97	59	0
1945	67	79	74.6	83	59.3	67	10.79	27	0
1944	68.9	41	77.6	39	60.2	42	7.19	74	0
1943	68.4	56	76.6	56	60.3	41	9.13	45	0
1942	67.6	68	75.3	75	60	47	6.43	82	0
1941	68.3	58	76.4	59	60.2	42	10.21	34	0
1940	66.3	91	74.4	87	58.1	88	7.50	68	0
1939	68.9	41	76.9	53	60.8	32	4.52	99	0
1938	69.7	26	78.1	31	61.3	24	7.81	62	0
1937	69.7	26	77.5	45	61.9	20	7.59	67	0
1936	67.4	70	76	67	58.8	73	5.57	92	0
1935	68.9	41	77	51	60.9	31	8.46	51	0
1934	67.4	70	75.9	72	58.9	71	4.95	97	0
1933	69.2	31	77.2	50	61.2	27	6.08	86	0
1932	67.3	74	75	79	59.5	63	7.01	76	0
1931	68.8	44	76.4	59	61.1	29	5.91	90	0
1930	67.8	63	76.2	65	59.5	63	7.65	66	0
1929	65.7	97	74.2	94	57.2	97	5.95	89	0
1928	67.1	76	74.6	83	59.7	57	9.95	36	0
1927	63.8	100	71.3	100	56.2	101	8.09	56	0
1926	64.2	99	72.2	99	56.3	100	10.46	30	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2005	73
1949	72.1
2020	71.7
2021	71.6
1999	71.5
1995	71.5
2012	71.2
2016	71.1
1973	71.1
2025	71

Coldest
Year	Mean, °F
1927	63.8
1926	64.2
1992	65
1929	65.7
1982	66
1963	66
1965	66.1
1946	66.1
1956	66.2
1940	66.3

Wettest
Year	Precipitation, in
1992	18.64
2010	16.06
1972	15.30
2008	14.95
2024	14.85
1975	14.76
2019	14.36
1976	14.31
2021	13.98
1998	13.67

Driest
Year	Precipitation, in
1939	4.52
1955	4.87
1934	4.95
1949	5.03
1953	5.09
1964	5.15
1960	5.40
1936	5.57
1963	5.58
1931	5.91

The hottest, coldest and wettest days

Hottest day: 93°F; 1 July 2026
Coldest night: 47°F; 2 June 2026, 1 June 2026
Wettest day: 1.05 in; 18 June 2026, 10 June 2026

Every month, season and year

Months

Seasons

Years

Oswego, NY the day's answers

All-time records

Every answer in words

Summer 2026 brought 8.01 in of precipitation in Oswego, NY, the driest summer since 2025, 43rd driest of 99.
The hottest day of summer 2026 in Oswego, NY: 93°F on Wednesday 1 July 2026.
The coldest night of summer 2026 in Oswego, NY: a low of 47°F on Tuesday 2 June 2026 and Monday 1 June 2026.
The wettest day of summer 2026 in Oswego, NY: 1.05 in on Thursday 18 June 2026 and Wednesday 10 June 2026.