Islip, NY: Winter

28 February 2026: Winter 2026 (December 2025 to February 2026) averaged 30.7°F in Islip, NY, the coldest winter since 2015, 15th coldest of 63.

Winter 2026 (December 2025 to February 2026)

Mean temperature: 30.7°F; Coldest since 2015; 15th coldest of 63
Precipitation: 10.01 in; Driest since 2017; 24th driest of 63

A normal winter in Islip, NY (1991 to 2020): a mean temperature of 34.4°F, between 30.3°F and 38.3°F in eight years of ten and 12.16 in of precipitation, between 8.05 in and 14.53 in in eight years of ten.

The mean temperature of every winter in Islip, NY since 1964: 30.7°F in 2026; the lowest is 26.9°F, in 1977.

Normal range, 30.3 to 38.3°F

Every year, ranked, as a table

Every winter in Islip, NY from 1964 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	30.7	49	37.9	52	23.4	47	10.01	40	0
2025	33.7	28	41	29	26.4	25	10.55	38	0
2024	37.8	6	44.5	10	31.2	1	18.28	3	0
2023	38.7	2	46.6	4	30.7	4	11.01	33	0
2022	35.1	15	43.4	12	26.8	21	10.35	39	0
2021	34.2	24	41	29	27.3	16	10.57	36	0
2020	37.4	7	44.8	7	30	6	13.58	15	0
2019	34.6	20	42.3	19	26.8	21	14.05	13	0
2018	34.2	24	41.7	26	26.6	23	12.07	27	0
2017	36.8	9	44.4	11	29.3	8	9.19	47	0
2016	39.2	1	47.2	1	31.2	1	13.80	14	0
2015	30.2	55	37.7	55	22.8	53	14.06	12	0
2014	31.6	43	39.4	43	23.7	45	14.14	11	0
2013	35.3	14	42.4	18	28.2	11	14.25	10	0
2012	38.3	5	46.8	3	29.8	7	6.86	57	0
2011	30.3	54	37.8	53	22.8	53	12.46	22	0
2010	32.1	40	39	44	25.2	36	16.36	5	0
2009	32.4	36	40	36	24.8	38	11.67	30	0
2008	34.3	23	42.2	22	26.5	24	13.02	17	0
2007	35	17	42.2	22	27.7	14	8.57	52	0
2006	34.5	22	42.1	24	26.9	20	8.98	49	0
2005	31.9	41	39.6	40	24.1	41	9.39	44	0
2004	30.6	50	38.1	50	23.2	49	8.04	54	0
2003	29.3	59	36.2	60	22.4	56	11.89	28	0
2002	38.7	2	47.1	2	30.2	5	5.38	63	0
2001	30.6	50	38.4	49	22.9	52	8.84	50	0
2000	34	26	42.3	19	25.6	32	8.05	53	0
1999	36.5	10	45.2	6	27.8	12	15.84	7	0
1998	38.5	4	46	5	30.9	3	18.06	4	0
1997	35.4	13	43	13	27.8	12	14.38	9	0
1996	31.3	46	38.5	48	24.1	41	12.86	20	0
1995	36.9	8	44.8	7	29	9	9.75	42	0
1994	29.5	58	37.1	57	21.9	58	12.39	24	0
1993	33.2	31	40.9	31	25.4	33	12.24	25	0
1992	34.6	20	42.9	15	26.4	25	9.29	46	0
1991	36.2	11	44.8	7	27.6	15	10.65	35	0
1990	32.8	34	40.2	34	25.3	35	8.78	51	0
1989	33.2	31	40.7	32	25.7	31	9.18	48	0
1988	31.9	41	39.5	41	24.4	40	11.47	31	0
1987	32.5	35	39.7	39	25.2	36	12.85	21	0
1986	31.3	46	38.8	46	23.8	44	7.47	56	0
1985	33.5	30	40.6	33	26.3	28	5.67	61	0
1984	32.9	33	39.5	41	26.3	28	13.07	16	0
1983	35.7	12	42.3	19	29	9	9.85	41	0
1982	32.2	39	39	44	25.4	33	12.94	18	0
1981	31.5	44	39.9	38	23.1	50	6.86	57	0
1980	33.7	28	41.1	28	26.4	25	5.51	62	0
1979	30.4	52	37.3	56	23.5	46	22.25	1	0
1978	27.3	62	34.7	63	19.8	61	19.26	2	0
1977	26.9	63	34.8	62	18.9	63	6.04	60	0
1976	32.3	37	41.3	27	23.3	48	12.46	22	0
1975	34.9	18	42.7	16	27	19	16.16	6	0
1974	33.9	27	42	25	25.9	30	14.48	8	0
1973	34.9	18	42.6	17	27.3	16	11.70	29	0
1972	35.1	15	43	13	27.2	18	10.56	37	0
1971	31.4	45	38.8	46	24.1	41	11.04	32	0
1970	29.2	60	36.4	59	21.9	58	12.20	26	0
1969	29.8	57	36.6	58	23.1	50	9.35	45	0
1968	27.4	61	35.4	61	19.4	62	10.94	34	0
1967	30.9	48	40.1	35	21.7	60	6.58	59	0
1966	32.3	37	40	36	24.6	39	9.73	43	0
1965	30.4	52	38.1	50	22.8	53	12.87	19	0
1964	30	56	37.8	53	22.3	57	7.94	55	2

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2016	39.2
2023	38.7
2002	38.7
1998	38.5
2012	38.3
2024	37.8
2020	37.4
1995	36.9
2017	36.8
1999	36.5

Coldest
Year	Mean, °F
1977	26.9
1978	27.3
1968	27.4
1970	29.2
2003	29.3
1994	29.5
1969	29.8
1964	30
2015	30.2
2011	30.3

Wettest
Year	Precipitation, in
1979	22.25
1978	19.26
2024	18.28
1998	18.06
2010	16.36
1975	16.16
1999	15.84
1974	14.48
1997	14.38
2013	14.25

Driest
Year	Precipitation, in
2002	5.38
1980	5.51
1985	5.67
1977	6.04
1967	6.58
2012	6.86
1981	6.86
1986	7.47
1964	7.94
2004	8.04

The hottest, coldest and wettest days

Hottest day: 59°F; 19 December 2025
Coldest night: 0°F; 31 January 2026
Wettest day: 1.98 in; 23 February 2026

Every month, season and year

Months

Seasons

Years

Islip, NY the day's answers

All-time records

Every answer in words

Winter 2026 (December 2025 to February 2026) brought 10.01 in of precipitation in Islip, NY, the driest winter since 2017, 24th driest of 63.
The hottest day of winter 2026 (December 2025 to February 2026) in Islip, NY: 59°F on Friday 19 December 2025.
The coldest night of winter 2026 (December 2025 to February 2026) in Islip, NY: a low of 0°F on Saturday 31 January 2026.
The wettest day of winter 2026 (December 2025 to February 2026) in Islip, NY: 1.98 in on Monday 23 February 2026.