Spencer, IA: 2025

31 December 2025: 2025 averaged 48.1°F in Spencer, IA, the warmest year since 2024, 22nd warmest of 95.

2025

Mean temperature: 48.1°F; Warmest since 2024; 22nd warmest of 95
Precipitation: 27.91 in; Wettest since 2024; 39th wettest of 96

A normal year in Spencer, IA (1991 to 2020): a mean temperature of 46.2°F, between 43.5°F and 48.5°F in eight years of ten and 25.39 in of precipitation, between 19.84 in and 34.06 in in eight years of ten.

The mean temperature of every year in Spencer, IA since 1897: 48.1°F in 2025; the highest is 52°F, in 1931.

Normal range, 43.5 to 48.5°F

Every year, ranked, as a table

Every year in Spencer, IA from 1895 to 2025, 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
2025	48.1	22	60.2	13	36	30	27.91	39	0
2024	50.9	2	62.7	3	39.1	2	34.81	8	0
2023	49.4	7	61	8	37.8	10	25.42	57	1
2022	47.1	29	59.5	22	34.4	58	21.63	82	3
2021	49.1	10	60.7	12	37.4	12	26.91	50	7
2020	48.3	19	60.2	13	36.5	23	16.55	94	3
2019	45.8	56	55.7	77	35.9	31	32.80	17	2
2018	45.7	59	55.8	75	35.6	34	27.60	44	3
2017	48.2	20	59.5	22	37	17	26.42	52	3
2016	48.6	16	59.3	24	38	6	35.80	5	2
2015	48.5	17	59.7	18	37.3	13	27.96	38	5
2014	43.5	90	54.7	89	32.3	93	28.40	35	6
2013	45.1	69	56.2	72	34.1	63	25.70	55	0
2012	50.4	3	62.9	2	37.9	7	25.39	58	1
2011	46.3	44	57.6	49	35	44	24.47	62	0
2010	45.5	61	56.8	60	34.4	58	33.20	14	4
2009	44.4	85	55.6	80	33.2	84	24.00	64	1
2008	43.2	93	54.6	91	31.8	97	20.26	86	1
2007	46.7	36	57.5	50	35.8	32	27.64	43	2
2006	48.4	18	59.7	18	37.1	15	22.72	75	2
2005	48.2	20	59.3	24	37.2	14	22.53	78	2
2004	47.3	27	58.6	33	36.1	28	35.07	7	0
2003	46	50	58.1	40	33.9	67	19.75	89	1
2002	46.6	38	58.1	40	35.1	41	23.45	69	4
2001	46.2	47	57.3	52	35.2	39	21.85	81	4
2000	45.4	63	56.9	58	33.9	67	22.68	76	1
1999	47.4	26	59.1	27	35.8	32	23.75	66	6
1998	48.7	15	59.2	26	37.9	7	19.77	88	8
1997	44.9	74	55	87	34.7	52	19.86	87	3
1996	43.4	91	53.5	93	33	87	27.42	46	14
1995	45.9	52	55.4	84	36.4	24	30.01	32	4
1994	45.6	60	55.9	74	35.3	38	25.33	59	0
1993	43.4	91	52.4	94	34.3	60	42.48	2	0
1992									92
1991	46.6	38	56.4	67	36.8	18	33.81	11	0
1990	47.5	25	58.9	30	36.2	26	26.02	54	0
1989	44.8	78	56.6	63	33	87	19.20	90	0
1988	46.7	36	58.4	35	34.9	49	22.11	79	0
1987	49.7	5	61	8	38.5	3	28.98	33	1
1986	46.9	32	56.8	60	37.1	15	35.37	6	0
1985	43.8	89	54.1	92	33.5	76	33.99	10	0
1984	45.9	52	55.7	77	36.1	28	32.74	18	0
1983	45.5	61	54.7	89	36.4	24	32.03	21	3
1982									65
1981									123
1980									184
1979									91
1978									62
1977	49.6	6	61.4	7	37.9	7	32.84	16	31
1976	44.8	78	57.1	56	32.4	92	14.55	95	32
1975	45.1	69	55.5	82	34.7	52	38.36	3	0
1974	46.6	38	57.9	45	35.1	41	16.73	93	3
1973									155
1972									62
1971									90
1970	44.4	85	55.2	86	33.6	73	27.47	45	2
1969	42.2	94	52.4	94	32.1	95	30.30	29	30
1968									91
1967									62
1966	44.6	82	56.3	68	33	87	16.99	92	0
1965	44.7	80	55.4	84	34	65	31.25	25	0
1964	46.6	38	58.2	39	35.1	41	30.73	28	30
1963	46.8	33	58.5	34	35	44	20.97	84	2
1962	44.9	74	55.7	77	34	65	31.02	26	1
1961	44.5	84	55.6	80	33.4	81	28.28	36	0
1960	44.6	82	55.8	75	33.5	76	27.07	48	0
1959	45.1	69	56.3	68	33.9	67	32.12	20	0
1958	45.9	52	58.3	38	33.5	76	14.41	96	0
1957	45.8	56	56.6	63	35	44	26.92	49	0
1956	45.2	66	57.3	52	33.1	85	23.48	68	0
1955	45.9	52	58	43	33.7	72	18.98	91	3
1954	44.2	88	55	87	33.4	81	31.62	22	31
1953	46.8	33	58.7	32	34.5	56	27.65	42	4
1952	45.2	66	57	57	33.3	83	21.97	80	2
1951	42	95	52.2	96	31.6	98	42.51	1	3
1950									79
1949					32.1	95	23.35	70	39
1948	45.2	66	57.2	54	33.1	85	20.51	85	3
1947	44.9	74	56.2	72	33.6	73			0
1946	46.2	47	57.8	47	34.7	52			2
1945	44.7	80	55.5	82	33.9	67	26.35	53	6
1944									64
1943	46.3	44	58	43	34.5	56	31.60	23	1
1942	47.3	27	58.4	35	36.2	26	30.92	27	2
1941	49	11	59.7	18	38.3	4	34.21	9	4
1940	45.8	56	56.7	62	35	44	26.49	51	1
1939	49.3	8	61.9	5	36.8	18	23.26	71	1
1938	48.8	14	60.1	16	37.7	11	38.25	4	2
1937	45.3	64	56.5	65	34.3	60	33.75	12	2
1936	46.3	44	58.8	31	33.6	73	23.26	71	2
1935	46.8	33	57.9	45	35.6	34	28.47	34	5
1934	49.3	8	61.8	6	36.7	20	27.66	41	2
1933	48.9	12	60.9	11	36.7	20	23.07	73	5
1932	46	50	57.2	54	34.8	51	25.04	60	2
1931	52	1	63.8	1	40.1	1	30.23	30	3
1930	48.9	12	61	8	36.7	20	21.61	83	4
1929	45	73	56.5	65	33.5	76	23.71	67	3
1928	47.6	24	59.7	18	35.6	34	28.05	37	2
1927	46.2	47	57.5	50	34.7	52	27.23	47	5
1926	46.6	38	58.1	40	35	44	33.10	15	3
1925	47.1	29	59.9	17	34.2	62	24.17	63	3
1924	44.3	87	56.3	68	32.2	94	23.86	65	1
1923	47	31	59.1	27	34.9	49	25.55	56	4
1922	47.8	23	60.2	13	35.6	34	27.79	40	1
1921	50.4	3	62.4	4	38.2	5	22.86	74	6
1920	45.1	69	56.3	68	34.1	63	33.29	13	18
1919							32.53	19	62
1916									307
1915									74
1914					33.5	76	24.49	61	39
1913									70
1912	46.6	38	59	29	33.9	67			34
1911									126
1900									279
1899									142
1898	45.3	64	57.8	47	32.6	90	31.47	24	16
1897	44.9	74	56.9	58	32.6	90	22.64	77	5
1896			58.4	35	35.2	39	30.15	31	37
1895									163

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1931	52
2024	50.9
2012	50.4
1921	50.4
1987	49.7
1977	49.6
2023	49.4
1939	49.3
1934	49.3
2021	49.1

Coldest
Year	Mean, °F
1951	42
1969	42.2
2008	43.2
1996	43.4
1993	43.4
2014	43.5
1985	43.8
1954	44.2
1924	44.3
2009	44.4
More years share the last value

Wettest
Year	Precipitation, in
1951	42.51
1993	42.48
1975	38.36
1938	38.25
2016	35.80
1986	35.37
2004	35.07
2024	34.81
1941	34.21
1985	33.99

Driest
Year	Precipitation, in
1958	14.41
1976	14.55
2020	16.55
1974	16.73
1966	16.99
1955	18.98
1989	19.20
2003	19.75
1998	19.77
1997	19.86

The hottest, coldest and wettest days

Hottest day: 98°F; 21 June 2025
Coldest night: -20°F; 13 February 2025
Wettest day: 1.67 in; 5 July 2025

Month by month

Month	Mean temperature	Precipitation
January	18.6°F 34th warmest of 108	a trace Driest of 105
February	18.1°F 48th coldest of 113	0.16 in 17th driest of 110
March	40.2°F 4th warmest of 111	2.50 in 19th wettest of 111
April	48.8°F 33rd warmest of 114	2.69 in 52nd wettest of 110
May	59.2°F 48th warmest of 111	2.32 in 22nd driest of 108
June	72.5°F 14th warmest of 109	5.22 in 32nd wettest of 107
July	73.5°F 54th coldest of 109	9.41 in 2nd wettest of 109
August	69.3°F 31st coldest of 111	1.82 in 24th driest of 113
September	65.2°F 26th warmest of 111	0.43 in 6th driest of 110
October	54°F 15th warmest of 108	0.64 in 20th driest of 108
November	35.5°F 37th warmest of 109	2.18 in 21st wettest of 109
December	20.5°F 47th coldest of 108	0.54 in 49th driest of 107

Hot days and freezes

Spencer, IA has had 15 days at 90°F or above in 2025 through 31 December, the most by that date since 2024, tied 69th most of 96 (with 2024, 1963, 1952 and 1 other year).
Spencer, IA has had 152 freezing nights (a low of 32°F or below) in 2025 through 31 December, the most by that date since 2023, tied 84th most of 98 (with 2004).
The first freeze of fall 2025 in Spencer, IA came on Wednesday 8 October 2025, the earliest since 2024, tied 82nd earliest of 99 (with 1959).
The last freeze of spring 2025 in Spencer, IA came on Saturday 3 May 2025, the latest since 2023, tied 62nd latest of 96 (with 2023, 2011 and 1940).

Daily records set

Date	Record	Value	Before	Check
4 December	Coldest night	-19°F	-9°F 2005	Provisional
14 November	Warmest day	74°F	70°F 2023, 1990, 1953	Provisional
4 October	Warmest day	91°F	89°F 1938	Provisional
7 September	Coldest night	34°F	35°F 1956	Provisional
6 September	Coldest night	34°F	36°F 1988, 1956	Provisional
28 March	Warmest day	88°F	78°F 1986	Provisional
13 February	Coldest night	-20°F	-19°F 2021	Provisional
30 January	Warmest day	62°F	59°F 1896	Provisional
28 January	Warmest day	57°F	56°F 1931	Provisional

Daily records set and not listed: 0

Every month, season and year

Months

Seasons

Years

2025
2026

Spencer, IA the day's answers

All-time records

Every answer in words

2025 brought 27.91 in of precipitation in Spencer, IA, the wettest year since 2024, 39th wettest of 96.
The hottest day of 2025 in Spencer, IA: 98°F on Saturday 21 June 2025.
The coldest night of 2025 in Spencer, IA: a low of -20°F on Thursday 13 February 2025.
The wettest day of 2025 in Spencer, IA: 1.67 in on Saturday 5 July 2025.