Spencer, IA: August

31 August 2026: August 2026 averaged 70°F in Spencer, IA, the coldest August since 2025, tied 43rd coldest of 112 (with 1895).

August 2026

Mean temperature: 70°F; Coldest since 2025; 43rd coldest of 112
Precipitation: 3.32 in; Driest since 2025; 56th driest of 114

A normal August in Spencer, IA (1991 to 2020): a mean temperature of 70.4°F, between 67.4°F and 72.4°F in eight years of ten and 2.26 in of precipitation, between 1.12 in and 6.10 in in eight years of ten.

The mean temperature of every August in Spencer, IA since 1895: 70°F in 2026; the lowest is 65.5°F, in 2004.

Normal range, 67.4 to 72.4°F

Every year, ranked, as a table

Every August in Spencer, 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	70	69	82	64	58	71	3.32	59	0
2025	69.3	80	79.9	89	58.7	53	1.82	91	0
2024	71.4	40	83.1	48	59.7	34	2.65	71	0
2023	73.3	17	84.8	28	61.9	10	3.72	49	0
2022	71.8	33	84.3	35	59.2	44	3.52	52	0
2021	72.2	26	84.3	35	60.3	28	6.06	11	1
2020	73.1	20	87.5	12	58.6	56	0.49	113	0
2019	70.1	66	81.4	72	58.8	50	1.48	99	0
2018	71	48	82.6	55	59.5	37	2.16	81	0
2017	66.8	104	78.4	104	55.2	100	6.07	10	0
2016	70.4	59	82.4	60	58.4	68	2.47	74	0
2015	68.6	92	80	88	57.2	81	5.51	20	0
2014	70.1	66	79.8	91	60.5	24	4.78	32	0
2013	71.7	34	84.2	37	59.3	41	1.80	92	0
2012	70.4	59	83.8	41	57.1	85	3.66	50	0
2011	71.4	40	83.7	42	59.1	47	1.65	98	0
2010	74	12	84.5	33	63.3	4	5.96	14	1
2009	67.3	102	79.4	96	55.2	100	1.41	100	1
2008	68.7	91	82.2	62	55.3	99	1.85	90	0
2007	71.4	40	81.5	70	61.4	15	8.83	2	0
2006	70.2	64	81	76	59.3	41	5.32	25	0
2005	70.3	63	83	49	57.6	75	0.67	110	0
2004	65.5	112	78.5	103	52.6	112	1.71	94	0
2003	72.2	26	85.9	19	58.6	56	1.20	104	0
2002	68.9	87	79.8	91	58	71	5.01	28	0
2001	70.5	57	81.9	67	59	48	1.29	103	1
2000	70.4	59	81.5	70	59.4	39	3.04	65	0
1999	69.6	77	81.8	68	57.4	78	0.78	108	2
1998	71.2	45	80.7	81	61.6	12	4.07	42	0
1997	69.2	83	80.5	82	57.9	73	2.26	79	0
1996	69.2	83	80.3	84	58.1	70	5.42	23	0
1995	75.7	7	86.1	17	65.3	2	6.20	9	0
1994	67.4	98	77.9	107	56.9	87	1.69	96	0
1993	70.4	59	79.9	89	60.9	19	7.88	4	0
1991	70.7	51	80.9	77	60.5	24	2.11	82	0
1990	71.6	36	82.5	57	60.7	21	4.95	29	0
1989	71.1	47	83	49	59.3	41	3.29	60	0
1988	73.5	16	86.1	17	61	18	4.59	34	0
1987	67.6	96	78.2	106	57	86	3.26	61	0
1986	66.3	107	77.5	111	55.2	100	3.89	47	0
1985	66.6	106	77.4	112	55.8	95	5.45	22	0
1984	73.6	13	85.7	22	61.4	15	2.62	72	0
1983	77	4	88.8	6	65.2	3	1.74	93	0
1982	69.8	74	79.8	91	59.9	31	4.81	31	0
1981	68.9	87	79.2	100	58.6	56	5.42	23	0
1979	69.9	71	79.7	94	60.1	30	5.90	15	0
1978	71.5	37	83.5	45	59.5	37	3.02	67	0
1977	67.8	94	80.5	82	55.1	103	5.18	27	0
1976	71.2	45	85.5	24	56.9	87	0.56	112	0
1975	72.5	25	83.6	44	61.5	13	12.13	1	0
1974	67.4	98	79.4	96	55.4	98	4.07	42	0
1973	72	31	84.1	39	59.8	33	4.03	46	0
1972	69.5	79	80.3	84	58.6	56			0
1971	69.9	71	83.7	42	56	94	1.06	106	0
1970	70.5	57	82.5	57	58.6	56	1.30	102	0
1969	71.4	40	82.9	53	59.9	31	6.03	13	0
1968	70.7	51	82.2	62	59.2	44	2.35	76	0
1967	67.7	95	80.8	80	54.6	105	0.89	107	0
1966	67.3	102	79.7	94	54.8	104	2.71	70	0
1965	69.2	83	81.3	73	57.2	81	4.15	40	0
1964	67.4	98	78.4	104	56.4	92	4.62	33	0
1963	69.3	80	81.1	75	57.5	76	2.31	78	0
1962	69.9	71	82.5	57	57.2	81	5.59	18	0
1961	71.5	37	82.7	54	60.3	28	1.93	89	0
1960	71.9	32	83.2	47	60.6	23	3.43	55	0
1959	74.5	9	85.8	21	63.3	4	3.65	51	0
1958	72.2	26	85.9	19	58.6	56	1.13	105	0
1957	70.1	66	81.6	69	58.6	56	3.45	54	0
1956	70.7	51	82.6	55	58.7	53	5.62	17	0
1955	75.8	6	89.6	5	62.1	9	0.60	111	0
1954	69.3	80	80.1	86	58.5	66	6.65	7	0
1953	70.9	49	83	49	58.8	50	3.39	57	0
1952	67.5	97	79.4	96	55.6	96	4.44	35	0
1951	68.3	93	78.9	102	57.7	74	6.52	8	0
1950	65.6	111	77.8	109	53.3	110	0.69	109	3
1949					58.6	56	2.35	76	8
1948	71.7	34	84.7	30	58.7	53	3.03	66	0
1947	77.1	3	91.5	2	62.8	7	0.45	114	0
1946	66	109	77.9	107	54.1	106			0
1945	68.8	89	80.1	86	57.4	78	1.66	97	0
1944	70.7	51	80.9	77	60.5	24	8.71	3	1
1943	73.1	20	84.6	32	61.5	13	4.08	41	0
1942	72.2	26	84.8	28	59.6	36	4.04	45	0
1941	74.5	9	87.7	11	61.3	17	1.71	94	0
1940	69.1	86	79.4	96	58.8	50	3.36	58	0
1939	69.6	77	82.4	60	56.9	87	6.94	6	0
1938	75.1	8	88	8	62.3	8	1.31	101	0
1937	78.2	2	90.8	3	65.5	1	7.28	5	0
1936	78.5	1	93.9	1	63.2	6	4.41	36	0
1935	73.2	18	87.3	13	59.2	44	3.12	64	0
1934	70.6	56	85	25	56.3	93	2.83	68	0
1933	68.8	89	82	64	55.5	97	4.06	44	0
1932	72.1	30	84.5	33	59.7	34	4.30	38	0
1931	73.1	20	87.2	14	58.9	49	4.38	37	1
1930	75.9	5	89.9	4	61.9	10	2.77	69	0
1929	73.6	13	87.8	10	59.4	39	2.03	86	0
1928	72.6	24	86.6	15	58.6	56	6.04	12	0
1927	66.7	105	80.9	77	52.5	113	2.09	83	1
1926	73	23	85	25	60.9	19	2.56	73	0
1925	73.6	13	88.5	7	58.6	56	2.41	75	0
1924	71.3	44	84.2	37	58.5	66	5.49	21	0
1923	69.7	75	83	49	56.5	91	5.20	26	0
1922	74.2	11	87.9	9	60.5	24	5.55	19	0
1921	71.5	37	84.7	30	58.3	69	3.50	53	0
1920							4.83	30	15
1919	70.9	49	85	25	57.2	81	2.06	84	1
1915	65.9	110	77.8	109	53.9	107	1.94	88	0
1914							3.20	62	5
1913							5.71	16	6
1912	67.4	98	81.2	74	53.5	108	3.40	56	0
1911	70.2	64	83.5	45	56.8	90	2.05	85	0
1899	73.2	18	85.7	22	60.7	21	4.24	39	0
1898	69.7	75	82	64	57.3	80	3.75	48	1
1897	66.2	108	79.2	100	53.2	111	1.98	87	0
1896	70.7	51	83.9	40	57.5	76	2.18	80	0
1895	70	69	86.5	16	53.5	108	3.16	63	3

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1936	78.5
1937	78.2
1947	77.1
1983	77
1930	75.9
1955	75.8
1995	75.7
1938	75.1
1959	74.5
1941	74.5

Coldest
Year	Mean, °F
2004	65.5
1950	65.6
1915	65.9
1946	66
1897	66.2
1986	66.3
1985	66.6
1927	66.7
2017	66.8
2009	67.3
More years share the last value

Wettest
Year	Precipitation, in
1975	12.13
2007	8.83
1944	8.71
1993	7.88
1937	7.28
1939	6.94
1954	6.65
1951	6.52
1995	6.20
2017	6.07

Driest
Year	Precipitation, in
1947	0.45
2020	0.49
1976	0.56
1955	0.60
2005	0.67
1950	0.69
1999	0.78
1967	0.89
1971	1.06
1958	1.13

The hottest, coldest and wettest days

Hottest day: 89°F; 31 August 2026, 30 August 2026
Coldest night: 47°F; 23 August 2026, 8 August 2026, 6 August 2026
Wettest day: 0.68 in; 4 August 2026

Every month, season and year

Months

Seasons

Years

Spencer, IA the day's answers

All-time records

Every answer in words

August 2026 brought 3.32 in of precipitation in Spencer, IA, the driest August since 2025, 56th driest of 114.
The hottest day of August 2026 in Spencer, IA: 89°F on Monday 31 August 2026 and Sunday 30 August 2026.
The coldest night of August 2026 in Spencer, IA: a low of 47°F on Sunday 23 August 2026, Saturday 8 August 2026 and Thursday 6 August 2026.
The wettest day of August 2026 in Spencer, IA: 0.68 in on Tuesday 4 August 2026.