Waterloo, IA: Winter

28 February 2026: Winter 2026 (December 2025 to February 2026) averaged 21.6°F in Waterloo, IA, the warmest winter since 2025, tied 59th warmest of 131 (with 1958, 1930 and 1901).

Winter 2026 (December 2025 to February 2026)

Mean temperature: 21.6°F; Warmest since 2025; 59th warmest of 131
Precipitation: 2.98 in; Driest since 2025; 57th driest of 131

A normal winter in Waterloo, IA (1991 to 2020): a mean temperature of 22°F, between 15.9°F and 27.4°F in eight years of ten and 3.42 in of precipitation, between 2.21 in and 5.31 in in eight years of ten.

The mean temperature of every winter in Waterloo, IA since 1896: 21.6°F in 2026; the highest is 31°F, in 2024.

Normal range, 15.9 to 27.4°F

Every year, ranked, as a table

Every winter in Waterloo, IA from 1895 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	21.6	59	31.1	53	12	67	2.98	75	0
2025	23.4	37	32.7	30	14.1	40	1.99	112	0
2024	31	1	40.5	1	21.5	2	3.57	49	0
2023	23.9	27	32.7	30	15.1	28	5.90	6	0
2022	21.4	64	31.8	45	10.9	82	2.15	108	0
2021	20	80	28.9	81	11	80	3.44	56	0
2020	25.5	17	34.2	15	16.8	17	2.70	85	0
2019	20.3	78	29.2	79	11.4	75	6.77	3	0
2018	19.7	85	29.4	77	10.1	90	4.94	15	0
2017	26.2	14	33.7	21	18.7	9	5.80	7	0
2016	26.4	12	33.3	26	19.6	7	7.64	1	0
2015	20.1	79	28.5	86	11.8	70	3.68	46	0
2014	11.4	128	21.8	128	1	129	3.57	49	0
2013	23.5	33	32.6	35	14.3	39	4.82	20	0
2012	27.5	6	36.6	5	18.4	10	4.85	19	0
2011	17.3	102	25.4	106	9.1	97	4.88	16	0
2010	15.7	110	23.6	120	7.8	104	5.05	12	0
2009	16.6	104	26.9	99	6.4	110	3.36	60	0
2008	16.3	107	24.5	116	8.2	102	5.25	11	0
2007	21.7	56	30.2	68	13.3	48	3.90	38	0
2006	23.5	33	32.4	36	14.6	33	2.20	106	0
2005	23.9	27	32.2	39	15.5	26	3.35	61	0
2004	22.2	52	30.7	57	13.6	45	1.89	113	0
2003	22.7	44	34	16	11.5	74	1.07	127	0
2002	29.7	2	39.6	2	19.8	5	2.21	104	0
2001	14.6	120	23.1	123	6.2	112	4.18	29	0
2000	25.4	18	35.1	11	15.7	24	2.59	89	0
1999	25.2	19	34	16	16.4	19	2.23	103	0
1998	27.7	5	33.6	24	21.7	1	3.29	63	0
1997	18.3	97	26	102	10.6	84	2.97	76	0
1996	19.8	82	28.9	81	10.7	83	2.43	96	0
1995	22.4	49	30.2	68	14.6	33	2.27	102	0
1994	15.9	109	25	109	6.8	109	2.92	79	0
1993	20.5	75	28.6	84	12.5	58	3.48	54	0
1992	27.4	7	34.8	12	20	4	4.07	33	0
1991	18.4	94	28	90	8.7	101	2.35	98	0
1990	22.9	42	32.7	30	13.1	51	1.05	129	0
1989	21.4	64	30.6	61	12.2	64	1.89	113	0
1988	19	92	27.5	95	10.5	86	2.94	78	0
1987	25.8	16	33.9	19	17.6	12	2.20	106	0
1986	14.9	118	24.6	113	5.3	118	4.06	34	0
1985	18.1	98	27.3	96	8.9	100	3.79	43	0
1984	17.4	101	25.3	107	9.5	95	2.51	92	0
1983	27.2	8	34.8	12	19.7	6	6.05	5	0
1982	13.6	123	22.1	127	5.1	120	2.72	84	0
1981	22.2	52	32.1	42	12.3	60	3.19	66	0
1980	21.5	63	30.5	63	12.5	58	3.01	73	0
1979	11	130	19.6	130	2.4	125	2.52	91	0
1978	9	131	17.9	131	0	130	2.69	86	0
1977	11.6	127	23.4	122	-0.2	131	1.51	122	0
1976	23.8	30	34	16	13.7	42	2.74	82	0
1975	20.8	72	28.4	88	13.1	51	3.34	62	0
1974	19.5	89	27.1	98	11.9	68	4.31	27	0
1973	19.6	87	27.3	96	11.9	68	4.49	25	0
1972	15.4	114	24.5	116	6.3	111	3.17	67	0
1971	14.3	122	22.9	124	5.8	115	6.43	4	0
1970	13.1	124	22.4	126	3.8	124	2.55	90	0
1969	17.7	100	25	109	10.4	87	4.38	26	0
1968	20.8	72	30	72	11.6	73	1.60	120	0
1967	19.7	85	29.6	74	9.9	92	2.85	81	0
1966	20.5	75	30.7	57	10.3	88	5.29	10	0
1965	16.5	105	25.7	103	7.3	107	4.20	28	0
1964	19.8	82	30.6	61	9	99	1.07	127	0
1963	14.5	121	24	119	5	121	1.34	123	0
1962	15.6	111	24.3	118	6.9	108	3.13	69	0
1961	21	70	30.7	57	11.2	78	3.52	51	0
1960	24.1	26	31.8	45	16.3	20	4.57	21	0
1959	16.4	106	26.7	100	6	114	2.21	104	1
1958	21.6	59	30	72	13.2	50	1.12	125	0
1957	21.2	68	30.1	70	12.3	60	1.11	126	0
1956	18.1	98	27.9	91	8.2	102	0.96	131	0
1955	21.7	56	29.6	74	13.7	42	2.32	100	0
1954	26.8	10	36.5	6	17.2	16	1.66	118	0
1953	24.6	21	31.9	44	17.4	14	3.39	59	0
1952	23.2	39	31.7	48	14.8	30	3.84	40	1
1951	17.2	103	26.4	101	7.8	104	1.75	116	2
1950	21.3	66	31.6	49	11	80	3.93	37	0
1949	20.6	74	30.1	70	11.1	79	5.05	12	0
1948	22	54	30.9	54	13.1	51	3.84	40	0
1947	23.1	40	32.7	30	13.5	46	2.48	93	0
1946	21.3	66	30.4	65	12.3	60	5.34	8	0
1945	19.8	82	28.3	89	11.4	75	3.44	56	0
1944	26.6	11	37.2	4	15.9	22	3.05	72	0
1943	19.3	91	28.6	84	10	91	2.89	80	0
1942	24.4	23	32.7	30	16.2	21	4.17	30	0
1941	23.9	27	31.2	52	16.5	18	3.49	53	0
1940	21.7	56	30.5	63	12.9	55	2.36	97	0
1939	24.8	20	33.6	24	15.9	22	3.29	63	0
1938	22.4	49	30.3	67	14.5	36	2.96	77	0
1937	19.6	87	29.6	74	9.6	93	3.68	46	0
1936	11.2	129	20	129	2.4	125	3.88	39	0
1935	21.1	69	28.9	81	13.3	48	3.23	65	0
1934	24.4	23	33.7	21	15.2	27	2.74	82	0
1933	24.6	21	34.4	14	14.7	32	3.41	58	0
1932	28.1	4	35.9	7	20.3	3	5.33	9	0
1931	28.7	3	37.9	3	19.5	8	1.65	119	0
1930	21.6	59	31.3	50	11.8	70	2.46	94	0
1929	15.5	113	25.5	105	5.4	117	5.00	14	0
1928	22.6	47	32.2	39	13	54	3.84	40	0
1927	23.6	32	32.4	36	14.9	29	2.34	99	0
1926	22.9	42	32	43	13.8	41	3.51	52	0
1925	20.9	71	30.4	65	11.4	75	2.03	110	0
1924	24.2	25	33.9	19	14.5	36	2.69	86	0
1923	22.5	48	32.2	39	12.8	56	1.17	124	0
1922	22	54	31.8	45	12.1	65	4.51	23	0
1921	27	9	35.8	8	18.2	11	2.15	108	0
1920	15.6	111	23.6	120	7.5	106	1.03	130	0
1919	26.3	13	35.2	9	17.5	13	3.71	44	0
1918	12.2	126	22.5	125	1.9	127	1.73	117	0
1917	13.1	124	24.7	112	1.6	128	2.28	101	0
1916	18.4	94	27.6	94	9.1	97	4.00	35	0
1915	18.8	93	27.9	91	9.6	93	6.91	2	0
1914	23.8	30	32.9	29	14.6	33	2.62	88	0
1913	22.3	51	32.4	36	12.1	65	2.00	111	0
1912	15	117	24.6	113	4.8	122	3.64	48	3
1911	23	41	33	28	12.8	56	3.95	36	6
1910	15.1	116	24.6	113	5.6	116	4.54	22	0
1909	23.5	33	33.7	21	13.4	47	4.50	24	0
1908	26.2	14	35.2	9	17.3	15	3.15	68	0
1907	22.7	44	30.7	57	14.8	30	4.10	32	0
1906	23.4	37	33.2	27	13.7	42	4.87	17	0
1905	14.8	119	25.1	108	4.5	123	4.86	18	0
1904	15.2	115	25	109	5.3	118	1.56	121	0
1903	20.4	77	29.1	80	11.8	70	3.48	54	0
1902	18.4	94	27.7	93	9.2	96	2.99	74	0
1901	21.6	59	30.8	55	12.3	60	3.11	70	0
1900	19.9	81	29.3	78	10.6	84	3.69	45	0
1899	16	108	25.7	103	6.2	112	1.78	115	0
1898	19.4	90	28.5	86	10.2	89	4.16	31	0
1897	22.7	44	30.8	55	14.5	36	3.10	71	0
1896	23.5	33	31.3	50	15.7	24	2.45	95	0
1895									51

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2024	31
2002	29.7
1931	28.7
1932	28.1
1998	27.7
2012	27.5
1992	27.4
1983	27.2
1921	27
1954	26.8

Coldest
Year	Mean, °F
1978	9
1979	11
1936	11.2
2014	11.4
1977	11.6
1918	12.2
1970	13.1
1917	13.1
1982	13.6
1971	14.3

Wettest
Year	Precipitation, in
2016	7.64
1915	6.91
2019	6.77
1971	6.43
1983	6.05
2023	5.90
2017	5.80
1946	5.34
1932	5.33
1966	5.29

Driest
Year	Precipitation, in
1956	0.96
1920	1.03
1990	1.05
2003	1.07
1964	1.07
1957	1.11
1958	1.12
1923	1.17
1963	1.34
1977	1.51

The hottest, coldest and wettest days

Hottest day: 66°F; 16 February 2026
Coldest night: -18°F; 23 January 2026
Wettest day: 1.28 in; 8 January 2026

Every month, season and year

Months

Seasons

Years

Waterloo, IA the day's answers

All-time records

Every answer in words

Winter 2026 (December 2025 to February 2026) brought 2.98 in of precipitation in Waterloo, IA, the driest winter since 2025, 57th driest of 131.
The hottest day of winter 2026 (December 2025 to February 2026) in Waterloo, IA: 66°F on Monday 16 February 2026.
The coldest night of winter 2026 (December 2025 to February 2026) in Waterloo, IA: a low of -18°F on Friday 23 January 2026.
The wettest day of winter 2026 (December 2025 to February 2026) in Waterloo, IA: 1.28 in on Thursday 8 January 2026.