Waterloo, IA: April

30 April 2026: April 2026 averaged 51.9°F in Waterloo, IA, the warmest April since 2010, 18th warmest of 131.

April 2026

Mean temperature: 51.9°F; Warmest since 2010; 18th warmest of 131
Precipitation: 5.80 in; Wettest since 2014; 8th wettest of 132

A normal April in Waterloo, IA (1991 to 2020): a mean temperature of 49.2°F, between 44.7°F and 52.4°F in eight years of ten and 3.65 in of precipitation, between 1.71 in and 7.13 in in eight years of ten.

The mean temperature of every April in Waterloo, IA since 1895: 51.9°F in 2026; the highest is 56.5°F, in 1925.

Normal range, 44.7 to 52.4°F

Every year, ranked, as a table

Every April 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	51.9	18	63.5	25	40.2	13	5.80	8	0
2025	50.1	39	62.3	39	37.8	47	5.75	9	0
2024	50.8	28	62.9	30	38.6	32	3.98	38	0
2023	50.3	35	63.4	26	37.2	56	1.23	118	0
2022	44.5	109	54.8	113	34.1	108	4.03	36	0
2021	50.8	28	62.6	33	39	27	0.46	131	0
2020	47.8	72	60.6	55	35	93	1.26	117	0
2019	49.4	51	61.3	53	37.6	49	3.16	62	0
2018	38.1	131	50.1	130	26	132	1.73	101	0
2017	51.3	23	61.9	43	40.6	10	3.51	50	0
2016	49.1	57	59.7	69	38.4	35	2.60	75	0
2015	49.6	44	62.6	33	36.7	69	3.36	54	0
2014	45.9	100	57.6	92	34.2	107	7.24	4	0
2013	44.2	116	54.1	118	34.3	102	7.12	5	0
2012	50.5	31	62.1	41	38.9	28	3.75	41	0
2011	47.2	84	57.7	91	36.6	71	3.74	42	0
2010	54	5	65.8	9	42.2	5	5.10	15	0
2009	46.8	88	59.1	80	34.5	101	5.00	17	0
2008	45.3	103	55.6	107	34.9	96	10.79	1	0
2007	45.7	102	57.6	92	33.8	112	4.47	25	0
2006	52.4	16	64.6	18	40.2	13	5.19	11	0
2005	52.6	13	64.9	14	40.2	13	2.67	73	0
2004	49.6	44	64	23	35.1	92	1.54	107	0
2003	50.1	39	63.1	28	37.2	56	3.99	37	0
2002	48.3	68	59.2	77	37.3	54	3.11	64	0
2001	52.6	13	64.6	18	40.6	10	2.15	95	0
2000	49.3	53	61.5	47	37	60	2.76	68	0
1999	50.2	37	60.3	60	40.1	16	4.71	21	0
1998	49.8	43	60	64	39.7	22	3.25	58	0
1997	44.4	111	56.2	105	32.5	122	3.62	44	0
1996	45.1	105	57.9	90	32.3	124	1.55	105	0
1995	44.7	107	55.5	108	33.8	112	4.41	27	0
1994	49.3	53	61.5	47	37.1	58	2.58	78	0
1993	45.9	100	56.5	99	35.3	90	3.67	43	0
1992	46.3	95	56.4	100	36.2	77	4.55	23	0
1991	50.2	37	60.5	57	39.9	17	8.53	2	0
1990	47.6	76	59	81	36.3	74	2.88	66	0
1989	46.8	88	58.5	85	35	93	2.41	85	0
1988	47.8	72	61.5	47	34.1	108	1.72	102	0
1987	51.8	19	65.5	11	38.1	41	1.44	110	0
1986	51.8	19	63.8	24	39.9	17	2.57	82	0
1985	53.7	8	64.9	14	42.6	4	1.45	109	0
1984	46.6	91	56.4	100	36.8	63	5.09	16	0
1983	43.4	120	52.7	124	34	110	2.43	84	0
1982	42.7	123	54.5	114	30.9	129	2.58	78	0
1981	52.7	12	64.4	21	41.1	9	4.20	34	0
1980	49.1	57	61.4	51	36.8	63	1.22	119	0
1979	44.3	112	53.9	120	34.8	97	4.37	28	0
1978	46.8	88	56.9	96	36.8	63	4.75	20	0
1977	51.7	21	64.9	14	38.5	34	2.26	91	0
1976	50.4	33	63	29	37.9	46	4.66	22	0
1975	42.8	122	51.3	129	34.3	102	3.24	59	0
1974	49.4	51	61.4	51	37.3	54	2.25	93	0
1973	45.2	104	54.5	114	35.9	83	3.45	51	0
1972	44.3	112	55	110	33.6	114	3.29	56	0
1971	46.5	93	60	64	32.9	118	0.95	125	0
1970	47.9	71	59.7	69	36	80	1.21	121	0
1969	48.5	65	59.5	71	37.4	52	4.47	25	0
1968	50.4	33	62.8	31	38	43	5.15	14	0
1967	47.7	75	58.3	88	37.1	58	4.49	24	0
1966	43.7	118	53.9	120	33.4	115	3.89	40	0
1965	44.3	112	54.3	117	34.3	102	4.81	19	0
1964	47.1	85	58.4	87	35.9	83	8.11	3	0
1963	50.3	35	62	42	38.7	30	3.41	53	0
1962	46.4	94	57.3	94	35.6	87	2.03	98	0
1961	41.8	129	51.5	128	32	127	4.27	31	0
1960	49.3	53	60.4	58	38.2	39	5.71	10	0
1959	47.5	79	58.5	85	36.4	73	1.59	103	0
1958	47.6	76	59.2	77	36	80	3.12	63	0
1957	48.9	60	59.3	74	38.4	35	2.71	72	0
1956	44.6	108	56.9	96	32.2	125	2.74	70	0
1955	54.9	3	66.6	6	43.1	1	3.11	64	0
1954	51.1	26	62.5	37	39.7	22	5.18	12	0
1953	42.7	123	52	126	33.4	115	3.95	39	0
1952	49.6	44	62.5	37	36.7	69	1.05	124	0
1951					35	93	4.31	30	4
1950	40.2	130	49.4	131	30.9	129	3.26	57	0
1949	48.4	66	62.6	33	34.3	102	1.11	123	0
1948	54.1	4	66.4	7	41.8	6	4.32	29	0
1947	46.3	95	56.4	100	36.1	79	4.26	32	0
1946	53.7	8	67	4	40.3	12	1.38	113	0
1945	49	59	59.9	68	38	43	4.24	33	0
1944	44.8	106	55.3	109	34.3	102	2.58	78	0
1943	48	70	60.2	61	35.8	86	2.76	68	0
1942	53.8	7	68	3	39.6	24	0.28	132	0
1941	54	5	65	12	43	2	2.35	88	0
1940	47.5	79	58.9	83	36	80	3.19	61	0
1939	47.3	81	59.3	74	35.4	88	1.42	111	0
1938	49.9	42	60.1	62	39.8	21	3.61	45	0
1937	47.3	81	57	95	37.7	48	3.35	55	0
1936	44.3	112	55.7	106	32.9	118	0.51	129	0
1935	46.6	91	56.3	103	36.8	63	2.59	77	0
1934	49.6	44	62.6	33	36.6	71	0.48	130	0
1933	48.4	66	59.3	74	37.5	50	1.22	119	0
1932	48.9	60	61	54	36.8	63	1.78	100	0
1931	51.3	23	64.6	18	38	43	2.01	99	0
1930	50.9	27	65	12	36.9	62	4.04	35	0
1929	50.7	30	61.6	44	39.9	17	3.53	47	0
1928	43.5	119	54.9	112	32.2	125	2.26	91	0
1927	48.9	60	58.3	88	39.4	25	3.20	60	0
1926	46.2	99	59	81	33.3	117	1.17	122	0
1925	56.5	1	71.5	1	41.4	7	0.95	125	0
1924	50.5	31	62.8	31	38.3	38	1.34	114	0
1923	47.6	76	60	64	35.2	91	1.46	108	0
1922	49.6	44	62.2	40	37	60	3.53	47	0
1921	52.4	16	64.8	17	39.9	17	3.45	51	0
1920	42.6	125	52.3	125	32.9	118	3.52	49	0
1919	48.7	63	59.2	77	38.1	41	4.85	18	0
1918	42.5	126	54.5	114	30.4	131	2.34	89	0
1917	44.2	116	53.9	120	34.6	98	3.61	45	0
1916	46.3	95	56.6	98	35.9	83	2.51	83	0
1915	56.3	2	69.8	2	42.8	3	1.28	115	0
1914	47.8	72	59.4	72	36.3	74	2.58	78	0
1913	50	41	61.5	47	38.4	35	1.42	111	0
1912	48.7	63	60.6	55	36.8	63	0.87	128	0
1911	44.5	109	55	110	33.9	111	2.27	90	0
1910	52.5	15	66	8	38.9	28	2.17	94	0
1909	42.3	128	51.8	127	32.7	121	6.49	7	0
1908	49.5	49	61.6	44	37.4	52	2.40	86	0
1907	42.5	126	52.9	123	32	127	0.94	127	0
1906	51.3	23	63.4	26	39.3	26	1.55	105	0
1905	47	86	58.7	84	35.4	88	2.60	75	0
1904	43.2	121	54	119	32.4	123	2.74	70	0
1903	49.2	56	60.1	62	38.2	39	2.67	73	0
1902	47.3	81	60	64	34.6	98	1.28	115	0
1901	49.5	49	61.6	44	37.5	50	1.56	104	0
1900	51.5	22	64.4	21	38.6	32	2.79	67	0
1899	48.3	68	60.4	58	36.2	77	2.38	87	0
1898	47	86	59.4	72	34.6	98	2.09	96	0
1897	46.3	95	56.3	103	36.3	74	5.16	13	0
1896	53.6	10	65.7	10	41.4	7	6.65	6	0
1895	52.9	11	67	4	38.7	30	2.07	97	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1925	56.5
1915	56.3
1955	54.9
1948	54.1
2010	54
1941	54
1942	53.8
1985	53.7
1946	53.7
1896	53.6

Coldest
Year	Mean, °F
2018	38.1
1950	40.2
1961	41.8
1909	42.3
1918	42.5
1907	42.5
1920	42.6
1982	42.7
1953	42.7
1975	42.8

Wettest
Year	Precipitation, in
2008	10.79
1991	8.53
1964	8.11
2014	7.24
2013	7.12
1896	6.65
1909	6.49
2026	5.80
2025	5.75
1960	5.71

Driest
Year	Precipitation, in
1942	0.28
2021	0.46
1934	0.48
1936	0.51
1912	0.87
1907	0.94
1971	0.95
1925	0.95
1952	1.05
1949	1.11

The hottest, coldest and wettest days

Hottest day: 84°F; 21 April 2026
Coldest night: 23°F; 7 April 2026
Wettest day: 1.35 in; 2 April 2026

Every month, season and year

Months

Seasons

Years

Waterloo, IA the day's answers

All-time records

Every answer in words

April 2026 brought 5.80 in of precipitation in Waterloo, IA, the wettest April since 2014, 8th wettest of 132.
The hottest day of April 2026 in Waterloo, IA: 84°F on Tuesday 21 April 2026.
The coldest night of April 2026 in Waterloo, IA: a low of 23°F on Tuesday 7 April 2026.
The wettest day of April 2026 in Waterloo, IA: 1.35 in on Thursday 2 April 2026.