Waterloo, IA: Spring

31 May 2026: Spring 2026 averaged 51.6°F in Waterloo, IA, the warmest spring since 2025, tied 8th warmest of 131 (with 2024).

Spring 2026

Mean temperature: 51.6°F; Warmest since 2025; 8th warmest of 131
Precipitation: 10.76 in; Wettest since 2024; 37th wettest of 132

A normal spring in Waterloo, IA (1991 to 2020): a mean temperature of 48.1°F, between 44.6°F and 50.7°F in eight years of ten and 10.04 in of precipitation, between 7.14 in and 14.27 in in eight years of ten.

The mean temperature of every spring in Waterloo, IA since 1895: 51.6°F in 2026; the highest is 55.6°F, in 2012.

Normal range, 44.6 to 50.7°F

Every year, ranked, as a table

Every spring 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	51.6	8	64.1	7	39	21	10.76	37	0
2025	51.7	7	64.3	6	39.1	19	10.50	46	0
2024	51.6	8	63.9	9	39.3	15	16.52	4	0
2023	49.8	27	62.2	17	37.5	44	4.68	127	0
2022	47.8	60	58	70	37.6	41	11.56	26	0
2021	50.4	19	61.4	26	39.5	13	5.94	118	0
2020	49.3	36	60.1	42	38.5	27	9.73	59	0
2019	46.1	92	56.7	91	35.4	91	11.88	22	0
2018	45.6	100	56.5	95	34.7	102	6.42	112	0
2017	48	52	58.7	65	37.4	45	9.08	67	0
2016	49.9	25	61	32	38.8	25	8.71	75	0
2015	48.6	46	60.3	40	37	51	8.83	73	0
2014	44.7	114	55.6	108	33.9	118	11.41	28	0
2013	43.4	126	53.1	128	33.6	124	20.50	1	0
2012	55.6	1	67.5	1	43.8	1	8.22	83	0
2011	46.8	75	57.4	76	36.3	72	9.17	65	0
2010	51.1	12	62.5	15	39.7	12	10.53	45	0
2009	47.7	64	59.1	58	36.4	70	12.19	18	0
2008	44	119	54.1	120	33.9	118	18.65	3	0
2007	50.2	20	61.1	31	39.3	15	10.73	38	0
2006	49.2	39	60.4	36	38.1	32	9.83	58	0
2005	48.1	49	59.5	48	36.8	56	7.03	103	0
2004	50.1	22	61.8	21	38.3	30	13.00	13	0
2003	47.8	60	60	44	35.6	88	10.31	49	0
2002	45.8	97	57.1	82	34.5	108	7.15	101	0
2001	47.3	70	56.9	85	37.6	41	8.99	69	0
2000	51.5	10	63.5	11	39.5	13	10.90	34	0
1999	49.2	39	59.5	48	38.9	23	12.24	16	0
1998	49.6	30	59.4	50	39.9	11	10.82	35	0
1997	44.8	112	55.9	102	33.8	121	7.86	89	0
1996	43.9	121	54.9	116	32.9	128	7.90	88	0
1995	46.9	74	57.6	73	36.2	73	10.24	50	0
1994	49.1	41	61.4	26	36.9	52	4.91	124	0
1993	45.8	97	55	115	36.6	61	13.78	9	0
1992	48.1	49	59.1	58	37.1	49	7.64	94	0
1991	50.6	18	60.4	36	40.8	3	20.25	2	0
1990	47.7	64	58.5	67	36.9	52	12.40	15	0
1989	45.8	97	56.9	85	34.6	106	4.88	125	0
1988	49.7	29	62.8	14	36.6	61	4.70	126	0
1987	52	4	63.8	10	40.1	8	6.85	108	0
1986	50.1	22	61	32	39.3	15	10.67	40	0
1985	52	4	62.9	12	41.1	2	6.63	110	0
1984	43.5	124	52.9	129	34.1	114	11.26	30	0
1983	45.2	106	53.8	122	36.5	67	11.51	27	0
1982	46.5	81	56.3	97	36.7	57	11.75	24	0
1981	49.6	30	61.6	23	37.7	38	6.50	111	0
1980	46.4	82	58.1	69	34.7	102	7.44	98	0
1979	44.7	114	54.6	117	34.9	98	11.26	30	0
1978	45	110	55.2	112	34.8	100	7.94	86	0
1977	52.4	3	64.1	7	40.7	5	6.77	109	0
1976	47.6	68	59.2	57	36.1	76	10.01	55	0
1975	43.6	123	53.2	126	34	115	7.52	97	0
1974	46	95	56	101	36	79	9.23	64	0
1973	47.9	54	57.3	78	38.4	28	13.90	7	0
1972	45.3	103	55.9	102	34.7	102	8.42	77	0
1971	43.1	128	54.3	118	32	131	7.82	91	0
1970	46.2	88	56.7	91	35.7	84	10.93	33	0
1969	44.5	116	55.2	112	33.8	121	12.22	17	0
1968	47.9	54	60.2	41	35.7	84	8.40	78	0
1967	46.3	86	57.2	81	35.3	92	8.85	71	0
1966	45.6	100	57	84	34.3	112	12.08	21	0
1965	42.1	130	51.7	132	32.5	130	13.49	10	0
1964	46.2	88	57.4	76	35	96	14.36	6	0
1963	48.9	43	60.1	42	37.7	38	8.99	69	0
1962	46.1	92	55.5	109	36.7	57	10.79	36	0
1961	44.2	118	53.7	124	34.8	100	12.82	14	0
1960	42	131	52.9	129	31.2	132	14.45	5	0
1959	47.3	70	56.9	85	37.7	38	10.39	48	0
1958	46.8	75	57.9	71	35.7	84	6.10	117	0
1957	46.7	77	56.6	94	36.7	57	7.71	92	0
1956	44.8	112	55.7	107	34	115	6.94	105	0
1955	49.9	25	61.4	26	38.4	28	7.66	93	0
1954	46.2	88	56.9	85	35.2	94	11.81	23	3
1953	46.4	82	56.3	97	36.4	70	8.52	76	0
1952	46.7	77	57.1	82	36.2	73	9.41	62	0
1951			53.9	121	35.3	92	10.98	32	11
1950	42.8	129	51.8	131	33.7	123	8.85	71	0
1949	47.8	60	58.6	66	36.9	52	5.00	122	0
1948	48	52	59.1	58	36.9	52	10.65	42	0
1947	44	119	53.8	122	34.2	113	10.17	53	0
1946	51.4	11	62.9	12	40	9	9.90	57	0
1945	50	24	61.4	26	38.7	26	13.43	11	0
1944	46.1	92	55.5	109	36.7	57	9.98	56	0
1943	45.3	103	56.7	91	34	115	8.39	79	0
1942	50.2	20	61.5	25	39	21	5.36	121	0
1941	50.8	16	61.4	26	40.2	7	5.64	120	0
1940	45.1	109	55.8	105	34.4	109	7.57	96	0
1939	49.6	30	61.9	20	37.3	47	5.75	119	0
1938	50.9	15	61.6	23	40.3	6	10.64	43	0
1937	46.7	77	56.3	97	37.1	49	7.94	86	0
1936	49.4	34	60.6	35	38.1	32	3.91	130	0
1935	47.3	70	57.3	78	37.3	47	6.30	113	0
1934	51.1	12	64.5	5	37.6	41	2.05	132	0
1933	48.1	49	58.4	68	37.8	36	13.79	8	0
1932	46	95	57.3	78	34.6	106	8.30	81	0
1931	47.8	60	59.7	47	36	79	6.21	116	0
1930	49.3	36	62	19	36.6	61	9.68	60	0
1929	48.4	47	59.4	50	37.4	45	7.58	95	0
1928	47.9	54	59.8	45	36.1	76	6.94	105	0
1927	49.3	36	59.3	53	39.2	18	11.27	29	0
1926	47.1	73	59.4	50	34.9	98	4.95	123	0
1925	51	14	65.9	2	36.2	73	2.80	131	0
1924	45.2	106	55.8	105	34.7	102	8.33	80	0
1923	45.3	103	57.7	72	33	127	6.93	107	0
1922	50.7	17	62.3	16	39.1	19	10.66	41	0
1921	52.7	2	64.6	4	40.8	3	8.29	82	0
1920	46.6	80	57.6	73	35.6	88	9.47	61	0
1919	47.7	64	58.9	62	36.5	67	9.17	65	0
1918	48.3	48	61	32	35.6	88	10.63	44	0
1917	43.2	127	53.6	125	32.8	129	8.08	85	0
1916	46.3	86	57.5	75	35.1	95	7.17	100	0
1915	46.2	88	56.5	95	35.8	83	9.02	68	0
1914	47.5	69	58.8	63	36.1	76	7.83	90	0
1913	46.4	82	56.9	85	35.9	81	11.63	25	0
1912	44.4	117	55.2	112	33.6	124	3.99	129	0
1911	49.1	41	60.4	36	37.8	36	9.25	63	0
1910	51.8	6	64.7	3	38.9	23	4.31	128	0
1909	43.5	124	53.2	126	33.9	118	10.16	54	0
1908	48.9	43	59.8	45	38.1	32	10.50	46	0
1907	45.2	106	56.1	100	34.4	109	6.26	115	0
1906	46.4	82	56.9	85	35.9	81	7.04	102	0
1905	47.9	54	59.1	58	36.6	61	10.22	51	0
1904	45.5	102	55.9	102	35	96	10.20	52	0
1903	49.6	30	59.3	53	40	9	12.12	19	0
1902	49.4	34	60.4	36	38.3	30	12.11	20	0
1901	47.7	64	58.8	63	36.6	61	6.30	113	0
1900	47.9	54	59.3	53	36.5	67	7.02	104	0
1899	43.8	122	54.2	119	33.4	126	10.69	39	0
1898	47.9	54	59.3	53	36.6	61	8.20	84	0
1897	44.9	111	55.3	111	34.4	109	8.73	74	0
1896	49.8	27	61.7	22	38	35	13.32	12	0
1895	48.9	43	62.1	18	35.7	84	7.39	99	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2012	55.6
1921	52.7
1977	52.4
1987	52
1985	52
1910	51.8
2025	51.7
2026	51.6
2024	51.6
2000	51.5

Coldest
Year	Mean, °F
1960	42
1965	42.1
1950	42.8
1971	43.1
1917	43.2
2013	43.4
1984	43.5
1909	43.5
1975	43.6
1899	43.8

Wettest
Year	Precipitation, in
2013	20.50
1991	20.25
2008	18.65
2024	16.52
1960	14.45
1964	14.36
1973	13.90
1933	13.79
1993	13.78
1965	13.49

Driest
Year	Precipitation, in
1934	2.05
1925	2.80
1936	3.91
1912	3.99
1910	4.31
2023	4.68
1988	4.70
1989	4.88
1994	4.91
1926	4.95

The hottest, coldest and wettest days

Hottest day: 89°F; 27 May 2026
Coldest night: 4°F; 17 March 2026
Wettest day: 1.61 in; 6 March 2026

Every month, season and year

Months

Seasons

Years

Waterloo, IA the day's answers

All-time records

Every answer in words

Spring 2026 brought 10.76 in of precipitation in Waterloo, IA, the wettest spring since 2024, 37th wettest of 132.
The hottest day of spring 2026 in Waterloo, IA: 89°F on Wednesday 27 May 2026.
The coldest night of spring 2026 in Waterloo, IA: a low of 4°F on Tuesday 17 March 2026.
The wettest day of spring 2026 in Waterloo, IA: 1.61 in on Friday 6 March 2026.