Sisseton, SD: December

31 December 2025: December 2025 averaged 18.5°F in Sisseton, SD, the coldest December since 2022, tied 42nd coldest of 90 (with 1948).

December 2025

Mean temperature: 18.5°F; Coldest since 2022; 42nd coldest of 90
Precipitation: 0.46 in; Driest since 2024; 44th driest of 93

A normal December in Sisseton, SD (1991 to 2020): a mean temperature of 22.2°F, between 10.2°F and 25.9°F in eight years of ten and 0.60 in of precipitation, between 0.12 in and 1.16 in in eight years of ten.

The mean temperature of every December in Sisseton, SD since 1931: 18.5°F in 2025; the lowest is 1.5°F, in 1983.

Normal range, 10.2 to 25.9°F

Every year, ranked, as a table

Every December in Sisseton, SD from 1931 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	18.5	48	30.4	33	6.6	55	0.46	49	0
2024	22.9	25	30.4	33	15.4	16	0.27	60	0
2023	31.4	1	39.2	2	23.5	1	3.61	1	0
2022	14	70	21.7	73	6.4	58	1.73	6	0
2021	23.4	22	33.2	18	13.5	32	1.75	5	0
2020	25.7	13	36.7	7	14.7	23	0.45	51	0
2019	18.2	50	26.9	55	9.6	43	1.03	21	0
2018	22.8	28	31.8	24	13.8	29	1.24	10	0
2017	18.7	45	28.2	49	9.3	45	0.31	56	0
2016	17.3	53	24.7	64	9.9	42	1.42	8	0
2015	24.6	17	31.7	26	17.5	8	1.07	17	0
2014	21.9	32	28.6	44	15.2	17	0.60	40	0
2013	8.4	87	17.1	88	-0.3	88	1.14	13	0
2012	15.3	63	24	66	6.6	55	0.74	33	0
2011	26.2	11	35.5	11	16.8	12	0.26	63	0
2010	10.7	84	18.8	84	2.7	79	1.70	7	0
2009	11.1	80	18.2	86	3.9	74	0.68	34	0
2008	9.5	85	20.3	77	-1.4	89	0.94	22	0
2007	14.1	68	23.1	70	5.1	64	0.82	29	2
2006	27.6	4	37.6	4	17.7	6	1.05	19	0
2005	21.1	34	27.3	51	14.8	21	0.83	28	3
2004	22.9	25	31.8	24	14.1	26	0.30	58	0
2003	23.4	22	31	29	15.8	14	0.13	76	0
2002	22.9	25	32	23	13.8	29	0.21	68	0
2001	22.2	31	29.9	37	14.5	25	0.04	84	0
2000	4.1	89	12.6	90	-4.4	92	0.06	82	0
1999	25.3	15	36.7	7	14	27	0.19	71	0
1998	22.5	30	32.6	21	12.5	34	0.07	80	0
1997	27.2	5	33.9	15	20.5	4	0.42	52	0
1996			16.9	89	2.9	78	1.09	14	4
1995					7.8	50	0.62	38	5
1994	22.7	29	30.9	30	14.9	20	0.26	63	1
1993									7
1992	13.3	73	22.1	71	4.6	72	0.22	67	0
1991	23.2	24	32.6	21	13.9	28	0.14	74	1
1990	15.7	59	27.6	50	4.1	73	0.32	54	2
1989	10.8	81	20.2	78	0.7	86	trace	88	1
1988	20.6	36	30	36	11.1	39	0.33	53	0
1987	24.3	18	31.6	27	17.3	9	0.27	60	1
1986	25.9	12	37.1	5	14.6	24	trace	88	0
1985	8.4	87	19.5	82	-2.4	91	0.78	31	1
1984	15.6	60	25.7	59	4.9	69	0.55	47	3
1983	1.5	90	9.4	91	-6.4	93	0.57	44	0
1982	25.1	16	34.1	14	16.1	13	0.65	35	0
1981	13.4	72	22.1	71	5.2	63	0.58	43	2
1980	18.7	45	30.4	33	7	53	0.03	85	3
1979	26.9	6	38.7	3	15.2	17	0.21	68	0
1978	12.9	74	21.4	75	5	65	0.31	56	1
1977	11.2	78	18	87	5	65	1.05	19	1
1976	14.1	68	25.6	60	2.5	81	0.26	63	0
1975	18.8	44	29.3	41	8.3	49	0.03	85	1
1974	23.6	21	33.7	16	13.8	29	0.20	70	2
1973	15	65	23.4	69	6.2	59	0.93	23	2
1972	11.5	77	20.8	76	2.3	84	1.90	4	0
1971	15.3	63	25.5	61	5	65	0.52	48	0
1970	15.5	61	25.4	62	4.8	70	0.09	77	3
1969	20.2	39	28.5	45	11.9	36	0.90	26	1
1968	12.8	75	19.7	81	5.8	61	2.03	2	0
1967	20	40	30.6	31	9.5	44	0.61	39	0
1966	18.7	45	28.4	46	9	47	0.03	85	0
1965	26.6	7	35.4	12	17.7	6	1.06	18	0
1964	10.8	81	20.1	79	1.5	85	0.30	58	0
1963	12	76	21.5	74	2.5	81	0.86	27	0
1962	20.7	35	31.3	28	10.1	41	0.00	92	0
1961	13.6	71	23.7	67	3.5	77	1.08	16	0
1960	17.6	52	28.3	47	6.9	54	0.92	24	3
1959	29.6	3	36.8	6	22.1	2	1.24	10	1
1958	15.4	62	26.1	58	4.7	71	0.09	77	0
1957	26.6	7	36.3	10	17	11	0.16	73	0
1956									16
1955	8.7	86	18.7	85	-1.4	89	1.40	9	0
1954	24	20	32.9	19	15	19	trace	88	0
1953	19.8	41	30.5	32	9.2	46	1.09	14	0
1952	21.2	33	29.8	38	12.7	33	0.59	42	2
1951	11.2	78	19.9	80	2.4	83	1.96	3	0
1950					-0.2	87	0.09	77	5
1949	16.4	56	27.1	52	5.7	62	1.18	12	0
1948	18.5	48	29	43	7.8	50	trace	88	1
1947	16.4	56	24.6	65	7.6	52	0.07	80	3
1946	19.1	43	27	54	10.6	40	0.56	45	1
1945	10.8	81	18.9	83	2.6	80	0.32	54	0
1944	20.5	37	29.5	39	11.4	38	0.05	83	0
1943	26.3	10	36.4	9	14.8	21	0.00	92	2
1942	14.2	67	23.5	68	5	65	0.46	49	0
1941	25.5	14	33.7	16	17.3	9	0.25	66	0
1940	24.3	18	32.8	20	15.8	14	0.64	36	0
1939	31	2	40.3	1	21.6	3	0.14	74	0
1938	20.5	37	29.5	39	12.2	35	0.17	72	2
1937	14.6	66	26.2	57	3.7	75	0.56	45	2
1936	19.3	42	26.7	56	11.9	36	0.63	37	0
1935	17.3	53	25.3	63	8.5	48	0.92	24	1
1934	16.5	55	27.1	52	5.9	60	0.27	60	1
1933	16.3	58	28.3	47	3.6	76	0.81	30	3
1932	18.2	50	29.1	42	6.6	55	0.60	40	1
1931	26.6	7	34.2	13	19.1	5	0.75	32	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2023	31.4
1939	31
1959	29.6
2006	27.6
1997	27.2
1979	26.9
1965	26.6
1957	26.6
1931	26.6
1943	26.3

Coldest
Year	Mean, °F
1983	1.5
2000	4.1
2013	8.4
1985	8.4
1955	8.7
2008	9.5
2010	10.7
1989	10.8
1964	10.8
1945	10.8

Wettest
Year	Precipitation, in
2023	3.61
1968	2.03
1951	1.96
1972	1.90
2021	1.75
2022	1.73
2010	1.70
2016	1.42
1955	1.40
2018	1.24
More years share the last value

Driest
Year	Precipitation, in
1962	0.00
1943	0.00
1989	trace
1986	trace
1954	trace
1948	trace
1980	0.03
1975	0.03
1966	0.03
2001	0.04

The hottest, coldest and wettest days

Hottest day: 51°F; 16 December 2025
Coldest night: -16°F; 4 December 2025
Wettest day: 0.12 in; 9 December 2025

Every month, season and year

Months

Seasons

Years

Sisseton, SD the day's answers

All-time records

Every answer in words

December 2025 brought 0.46 in of precipitation in Sisseton, SD, the driest December since 2024, tied 44th driest of 93 (with 1942).
The hottest day of December 2025 in Sisseton, SD: 51°F on Tuesday 16 December 2025.
The coldest night of December 2025 in Sisseton, SD: a low of -16°F on Thursday 4 December 2025.
The wettest day of December 2025 in Sisseton, SD: 0.12 in on Tuesday 9 December 2025.