Oswego, NY: 2025

31 December 2025: 2025 averaged 50.1°F in Oswego, NY, the warmest year since 2024, tied 14th warmest of 95 (with 2011 and 2002).

2025

Mean temperature: 50.1°F; Warmest since 2024; 14th warmest of 95
Precipitation: 36.07 in; Driest since 2020; 32nd driest of 99

A normal year in Oswego, NY (1991 to 2020): a mean temperature of 48.6°F, between 47°F and 50.4°F in eight years of ten and 42.46 in of precipitation, between 37.46 in and 51.02 in in eight years of ten.

The mean temperature of every year in Oswego, NY since 1926: 50.1°F in 2025; the highest is 52.9°F, in 2024.

Normal range, 47 to 50.4°F

Every year, ranked, as a table

Every year in Oswego, NY from 1926 to 2025, 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
2025	50.1	14	57.4	17	42.8	13	36.07	68	0
2024	52.9	1	59.6	2	46.2	1	40.99	36	0
2023	51.8	4	58.5	6	45.1	3	42.77	23	0
2022	50.8	6	58.4	7	43.2	8	42.21	29	0
2021	52.1	3	58.8	5	45.4	2	42.26	28	0
2020			59.7	1			34.93	76	63
2019	49.6	21	55.9	37	42.2	18	47.17	11	33
2018	49.1	24	56.3	29	42	20	39.48	50	0
2017	49.9	18	57.2	20	42.6	14	54.26	3	0
2016	50.3	9	57.8	13	42.9	9	40.74	38	0
2015	48.4	32	56.1	32	40.7	38	38.22	54	0
2014	47.3	58	54.8	65	39.9	60	38.84	52	0
2013	48.9	25	56.2	31	41.6	23	45.50	16	0
2012	52.2	2	59.5	3	44.8	4			1
2011	50.1	14	57.4	17	42.9	9	50.20	7	1
2010	50.3	9	57.1	21	43.6	5	48.35	9	1
2009	47.7	50	55.1	55	40.3	50	37.98	58	1
2008	48	43	55.5	45	40.5	44	55.97	1	1
2007	48.4	32	56	36	40.7	38	40.89	37	2
2006	50.2	12	57	22	43.3	7	44.31	18	2
2005	48.6	28	55.8	40	41.3	27	44.46	17	0
2004	47.1	69	54.3	80	39.9	60	42.46	26	3
2003	46.9	76	54.7	70	39.2	79	45.94	14	2
2002	50.1	14	57.6	15	42.5	15	42.55	25	5
2001	50.4	7	58	11	42.9	9	33.23	80	1
2000	48.2	37	55.6	44	40.9	36	43.47	21	2
1999	50.4	7	58.4	7	42.3	16	38.13	56	1
1998	51.2	5	58.9	4	43.6	5	39.25	51	2
1997	47	72	54.9	60	39.3	76	40.51	39	4
1996	47.1	69	54.6	74	39.5	69	50.21	6	3
1995	48.2	37	55.9	37	40.5	44	41.06	35	3
1994	47.2	64	55.4	48	39.1	82	35.38	70	0
1993	47	72	55	58	39	83	40.23	43	1
1992	46.4	83	54	86	38.8	87	54.66	2	3
1991	50.2	12	58.4	7	41.9	21	43.91	19	1
1990	50	17	58.4	7	41.7	22	49.79	8	1
1989	46.6	81	54.9	60	38.2	91	40.18	44	0
1988	48.2	37	56.7	24	39.6	66	41.09	34	2
1987	49.7	20	58	11	41.3	27	36.26	67	3
1986	48.2	37	55.8	40	40.4	48	42.21	29	2
1985	48	43	56.1	32	39.7	64	39.68	48	5
1984	48	43	55.9	37	40	58	41.13	33	4
1983	48.3	34	56.4	28	40.3	50	40.50	40	4
1982	47.5	53	56.1	32	38.8	87	35.22	71	3
1981	47.3	58	55.2	54	39.5	69	39.96	45	0
1980	46.1	87	54	86	38.2	91	39.81	46	0
1979	47.3	58	55.3	51	39.5	69	47.08	12	1
1978	45.9	89	53.7	91	38	94	40.31	42	0
1977	47.1	69	54.8	65	39.4	74	46.74	13	1
1976	46.1	87	54.4	78	37.9	98	50.35	4	1
1975	48.6	28	56.1	32	41.1	33	48.11	10	0
1974	47.3	58	55	58	39.5	69	42.70	24	3
1973	49.4	23	57.3	19	41.5	25	42.46	26	0
1972	45.8	91	53.5	93	38	94	50.25	5	0
1971	47.3	58	55.3	51	39.3	76	39.66	49	0
1970	47.2	64	55.5	45	39	83	40.38	41	0
1969	47.2	64	55.5	45	38.9	86	38.74	53	1
1968	46.3	85	53	96	39.4	74	41.54	32	9
1967	48	43	54.6	74	41.3	27	34.23	79	1
1966	47.7	50	54.7	70	40.7	38	37.40	61	0
1965	46.4	83	53.6	92	39.2	79	45.70	15	1
1964	47.3	58	54.5	77	40.1	55	31.74	85	2
1963	45.7	92	53.5	93	38	94	37.16	62	0
1962	47.5	53	54.2	82	40.2	52	36.74	63	15
1961	48.7	26	55.4	48	41.5	25	35.10	73	32
1960	48.3	34	55.1	55	40.6	43	27.71	97	36
1959			56.6	26	41.1	33	37.50	60	38
1958	46.9	76	53.9	89	39.7	64	43.29	22	32
1957					41.3	27	28.24	95	67
1956			54.7	70	39.5	69	30.28	89	43
1955			56.7	24	41.3	27	36.34	66	47
1954	48.3	34	55.7	43	40.5	44	38.16	55	15
1953	49.9	18	57.7	14	42.2	18	28.03	96	3
1952	48.7	26	55.8	40	41.6	23	32.36	83	1
1951	47.8	48	54.9	60	40.7	38	38.11	57	0
1950	46.9	76	54.3	80	39.6	66	41.64	31	0
1949	50.3	9	57.5	16	42.9	9	29.28	92	8
1948	47.4	56	54.8	65	40.1	55	32.80	82	0
1947	47.5	53	54.8	65	40.2	52	39.81	46	1
1946	48.5	31	56.6	26	40.4	48	32.16	84	0
1945	47.2	64	54.4	78	40.1	55	43.57	20	0
1944	47.2	64	54.6	74	39.8	63	30.39	88	0
1943	45.6	93	52.8	97	38.3	90	36.40	65	0
1942	47.6	52	54.7	70	40.5	44	37.89	59	0
1941	47.8	48	55.3	51	40.2	52	29.41	91	0
1940	45.1	94	52.1	98	38	94	31.55	86	3
1939	47	72	54.9	60	39.2	79	27.42	98	0
1938	48.6	28	56.3	29	40.8	37	30.67	87	0
1937	48	43	54.9	60	41	35	35.83	69	0
1936	46.5	82	54.2	82	38.8	87	34.79	77	0
1935	46.2	86	53.4	95	39	83	29.15	93	0
1934	45.9	89	53.8	90	38.1	93	25.51	99	0
1933	48.1	41	55.4	48	40.7	38	28.34	94	0
1932	48.1	41	55.1	55	41.2	32	35.12	72	0
1931	49.6	21	57	22	42.3	16	33.07	81	0
1930	47.4	56	54.8	65	40	58	30.04	90	0
1929	46.7	80	54.1	85	39.3	76	35.09	74	0
1928	47	72	54	86	39.9	60	34.46	78	1
1927	46.9	76	54.2	82	39.6	66	36.43	64	1
1926	43.8	95	51	99	36.6	99	35.01	75	2

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2024	52.9
2012	52.2
2021	52.1
2023	51.8
1998	51.2
2022	50.8
2001	50.4
1999	50.4
2016	50.3
2010	50.3
More years share the last value

Coldest
Year	Mean, °F
1926	43.8
1940	45.1
1943	45.6
1963	45.7
1972	45.8
1978	45.9
1934	45.9
1980	46.1
1976	46.1
1935	46.2

Wettest
Year	Precipitation, in
2008	55.97
1992	54.66
2017	54.26
1976	50.35
1972	50.25
1996	50.21
2011	50.20
1990	49.79
2010	48.35
1975	48.11

Driest
Year	Precipitation, in
1934	25.51
1939	27.42
1960	27.71
1953	28.03
1957	28.24
1933	28.34
1935	29.15
1949	29.28
1941	29.41
1930	30.04

The hottest, coldest and wettest days

Hottest day: 92°F; 25 July 2025, 24 July 2025
Coldest night: 3°F; 2 February 2025, 22 January 2025
Wettest day: 2.10 in; 24 October 2025

Month by month

Month	Mean temperature	Precipitation
January	25.6°F 35th warmest of 93	2.85 in 42nd driest of 100
February	26.8°F 38th warmest of 92	3.25 in 26th wettest of 99
March	41.2°F 5th warmest of 95	2.09 in 28th driest of 100
April	47.7°F 14th warmest of 99	2.78 in 42nd driest of 100
May	55.5°F 47th warmest of 94	5.14 in 10th wettest of 100
June	68.9°F 7th warmest of 99	2.81 in 49th driest of 99
July	74.6°F 3rd warmest of 99	2.22 in 39th driest of 100
August	69.6°F 45th warmest of 98	2.31 in 30th driest of 99
September	64.4°F 23rd warmest of 100	1.62 in 11th driest of 100
October	54.9°F 15th warmest of 99	5.18 in 23rd wettest of 99
November	41.8°F 39th warmest of 93	2.02 in 12th driest of 99
December	28.8°F 36th coldest of 93	3.80 in 41st wettest of 99

Hot days and freezes

Oswego, NY has had 7 days at 90°F or above in 2025 through 31 December, the most by that date since 2018, tied 12th most of 99 (with 2005, 1955, 1937 and 1 other year).
Oswego, NY has had 121 freezing nights (a low of 32°F or below) in 2025 through 31 December, the most by that date since 2018 (2020 excluded: 58 of 366 days missing), 56th most of 99.
The first freeze of fall 2025 in Oswego, NY came on Monday 27 October 2025, the earliest since 2015 (2019 left out for missing days), tied 61st earliest of 99 (with 1990, 1957, 1950 and 2 other years).
The last freeze of spring 2025 in Oswego, NY came on Thursday 10 April 2025, the latest since 2024, 95th latest of 99.

Daily records set

Date	Record	Value	Before	Check
18 December	Warmest day	52°F	50°F 2006, 1996, 1966	Provisional
25 July	Warmest day	92°F	91°F 1965, 1945	Provisional
29 April	Warmest day	85°F	82°F 1990	Provisional
19 March	Warmest day	76°F	71°F 2012	Provisional

Daily records set and not listed: 0

Every month, season and year

Months

Seasons

Years

2025
2026

Oswego, NY the day's answers

All-time records

Every answer in words

2025 brought 36.07 in of precipitation in Oswego, NY, the driest year since 2020, 32nd driest of 99.
The hottest day of 2025 in Oswego, NY: 92°F on Friday 25 July 2025 and Thursday 24 July 2025.
The coldest night of 2025 in Oswego, NY: a low of 3°F on Sunday 2 February 2025 and Wednesday 22 January 2025.
The wettest day of 2025 in Oswego, NY: 2.10 in on Friday 24 October 2025.