Green Bay, WI: December

31 December 2025: December 2025 averaged 19°F in Green Bay, WI, the coldest December since 2017, tied 35th coldest of 135 (with 1944).

December 2025

Mean temperature: 19°F; Coldest since 2017; 35th coldest of 135
Precipitation: 1.80 in; Wettest since 2021; 41st wettest of 140

A normal December in Green Bay, WI (1991 to 2020): a mean temperature of 24.9°F, between 18.3°F and 29.7°F in eight years of ten and 1.68 in of precipitation, between 0.59 in and 2.57 in in eight years of ten.

The mean temperature of every December in Green Bay, WI since 1886: 19°F in 2025; the lowest is 9.1°F, in 1976.

Normal range, 18.3 to 29.7°F

Every year, ranked, as a table

Every December in Green Bay, WI from 1886 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	19	100	26.9	96	11	104	1.80	41	0
2024	26.8	28	34.5	22	19.1	36	1.18	85	0
2023	34.9	1	40.9	1	28.8	2	1.31	73	0
2022	24.4	46	30.9	51	17.9	43	1.79	42	0
2021	28.2	19	36.2	12	20.2	27	2.01	33	0
2020	28.1	20	34.5	22	21.7	22	0.71	119	0
2019	26	33	32.2	36	19.9	29	2.49	16	0
2018	28.7	14	34.2	26	23.3	12	1.76	45	0
2017	18.7	103	26.7	97	10.7	109	1.29	75	0
2016	24.4	46	30.1	62	18.6	39	2.25	25	0
2015	34.5	2	39.6	2	29.4	1	5.71	1	0
2014	25.9	34	31.9	39	19.8	30	1.68	49	0
2013	15	122	22.7	122	7.3	124	1.89	35	0
2012	28.7	14	34.9	19	22.5	17	2.54	13	0
2011	29.1	13	35.2	16	23	13	1.40	65	0
2010	20.1	90	26.7	97	13.5	83	1.91	34	0
2009	20.4	85	27.7	85	13.1	88	2.28	22	0
2008	15	122	23.9	118	6	128	3.72	4	0
2007	21.5	77	29.1	73	13.9	79	2.54	13	0
2006	30.5	9	36.5	10	24.4	9	2.88	10	0
2005	19.7	93	26.1	103	13.4	85	1.04	95	0
2004	23.2	62	30.8	53	15.6	68	2.26	24	0
2003	28	21	35.1	17	20.8	23	1.68	49	0
2002	26.3	31	33.6	30	19	37	0.73	117	0
2001	30.1	10	36.8	8	23.4	11	1.23	81	0
2000	11.4	131	20.6	131	2.2	135	1.16	89	0
1999	24.1	49	32.6	34	15.5	70	0.83	112	0
1998	27.4	25	37.1	6	17.6	47	0.30	137	0
1997	27.8	23	33.4	32	22.3	19	0.61	124	0
1996	21.7	76	27.7	85	15.7	66	1.89	35	0
1995	18.9	102	25.9	106	11.9	100	1.25	79	0
1994	29.7	12	36.8	8	22.5	17	0.34	134	0
1993	25.2	39	30.9	51	19.6	31	0.44	130	0
1992	23.6	55	30.8	53	16.5	58	2.27	23	0
1991	24.5	43	31.6	44	17.4	50	1.42	64	0
1990	21	80	29.7	67	12.4	93	2.10	28	0
1989	11.1	132	18.8	133	3.5	133	0.55	127	0
1988	20.7	83	28.9	75	12.4	93	0.84	110	0
1987	27	27	33.7	29	20.4	26	2.04	31	0
1986	24.7	41	30.3	60	19.2	35	0.48	128	0
1985	9.4	134	18.6	135	0.2	136	1.83	39	0
1984	24	52	31.6	44	16.4	59	1.72	47	0
1983	10.6	133	17.5	136	3.7	132	1.18	85	0
1982	28	21	33.9	28	22.1	20	2.50	15	0
1981	22.9	65	29.9	64	15.8	64	1.10	90	0
1980	19.7	93	27	93	12.4	93	1.35	70	0
1979	27.7	24	35.9	13	19.4	32	1.28	77	0
1978	18.2	106	26	104	10.5	111	1.30	74	0
1977	18	108	24.9	113	11.1	103	2.31	20	0
1976	9.1	135	19.5	132	-1.3	137	0.61	124	0
1975	21.2	79	28.7	78	13.6	82	0.84	110	0
1974	24.5	43	31.9	39	17	53	1.67	51	0
1973	20.8	82	27.5	87	14.2	78	2.41	18	0
1972	17.3	113	24.9	113	9.7	116	2.49	16	0
1971	23.4	60	31	50	15.9	63	3.15	8	0
1970	19.7	93	28.5	79	11	104	1.24	80	0
1969	20.9	81	28.1	84	13.7	81	1.43	62	0
1968	21.9	72	29.4	68	14.4	75	2.69	12	0
1967	22.5	67	29.9	64	15.1	71	1.17	87	0
1966	20.3	87	28.3	82	12.3	97	1.65	53	0
1965	28.7	14	34.6	21	22.8	15	2.31	20	0
1964	19.9	92	27.2	91	12.6	92	0.70	120	0
1963	12.1	129	20.7	130	3.5	133	0.73	117	0
1962	20.2	89	28.9	75	11.4	102	1.03	97	0
1961	16.9	115	26.3	101	7.4	122	1.27	78	0
1960	19.4	98	27	93	11.7	101	0.10	139	0
1959	28.4	18	34.3	24	22.6	16	2.85	11	0
1958	15	122	23.8	119	6.2	127	0.16	138	0
1957	25.1	40	33.5	31	16.7	56	1.59	55	0
1956	22.5	67	30.6	57	14.3	77	0.87	107	0
1955	16.8	116	25	112	8.6	119	0.89	105	0
1954	23.2	62	30.6	57	15.7	66	0.42	131	0
1953	25.5	38	33.2	33	17.7	46	1.59	55	0
1952	25.6	37	31.7	43	19.4	32	1.45	60	0
1951	18.5	105	26.7	97	10.2	114	1.09	92	0
1950	13.8	127	22.7	122	4.8	131	1.84	38	0
1949	23.6	55	31.6	44	15.6	68	1.17	87	0
1948	24.1	49	31.4	49	16.7	56	1.43	62	2
1947	22.5	67	29.3	71	15.8	64	1.29	75	0
1946	22.7	66	31.5	48	13.9	79	1.75	46	0
1945	17.6	110	24.4	116	10.9	106	1.37	68	0
1944	19	100	25.7	107	12.2	99	0.65	122	0
1943	23.6	55	32.1	38	15	72	0.03	140	0
1942	18.7	103	24.5	115	12.8	91	2.25	25	0
1941	30	11	35.8	14	24.2	10	1.45	60	0
1940	24.3	48	30	63	18.6	39	1.38	67	0
1939	30.9	7	36.5	10	25.3	7	0.68	121	0
1938	23.3	61	29.9	64	16.8	55	1.33	71	0
1937	20.7	83	27	93	14.4	75	0.85	109	0
1936	26.4	30	34.2	26	18.5	41	1.03	97	0
1935	21.9	72	27.4	90	16.4	59	0.90	104	0
1934	20.4	85	27.5	87	13.3	86	0.98	100	0
1933	20.3	87	27.5	87	13.2	87	1.19	83	0
1932	21.9	72	29	74	14.7	74	2.04	31	0
1931	32	3	37.1	6	26.9	3	1.10	90	0
1930	23.8	53	30.3	60	17.2	52	0.33	136	0
1929	22.1	71	28.2	83	16	61	0.91	103	0
1928	26.2	32	31.9	39	20.5	25	0.92	102	0
1927	16.7	117	25.1	110	8.3	121	1.89	35	0
1926	17.7	109	25.1	110	10.3	113	1.67	51	0
1925	17.5	111	24.2	117	10.8	108	1.07	93	0
1924	14	125	21	129	7	125	0.80	113	0
1923	32	3	37.9	3	26.1	4	1.19	83	0
1922	19.6	96	26.7	97	12.4	93	0.59	126	0
1921	21.8	75	28.5	79	15	72	3.65	6	0
1920	26.5	29	32.2	36	20.8	23	1.70	48	0
1919	12	130	18.8	133	5.1	130	0.36	133	0
1918	30.7	8	35.5	15	25.9	5	1.81	40	0
1917	15.2	121	21.9	126	8.5	120	0.38	132	0
1916	16.5	119	23.6	120	9.3	117	1.04	95	0
1915	23.5	59	29.4	68	17.5	48	0.86	108	0
1914	16.3	120	22.5	125	10.1	115	0.99	99	0
1913	31.4	6	37.4	4	25.3	7	0.46	129	0
1912	27.4	25	34.8	20	20	28	1.49	58	0
1911	28.7	14	34.3	24	23	13	2.20	27	0
1910	19.1	99	26	104	12.3	97	0.75	114	0
1909	17	114	23.6	120	10.4	112	2.10	28	0
1908	21.4	78	29.2	72	13.5	83	1.40	65	0
1907	23.8	53	30.8	53	16.9	54	2.05	30	0
1906	24.1	49	30.4	59	17.8	44	1.63	54	0
1905	25.8	35	32.6	34	19	37	0.97	101	0
1904	20	91	27.2	91	12.9	90	2.34	19	0
1903	14	125	21.2	127	6.7	126	0.34	134	0
1902	22.2	70	28.4	81	16	61	1.78	43	0
1901	19.6	96	26.2	102	13.1	88	1.06	94	0
1900	24.6	42	30.7	56	18.4	42	0.63	123	0
1899	23.2	62	28.9	75	17.5	48	1.54	57	0
1898	17.5	111	25.6	108	9.3	117	0.74	116	0
1897	18.1	107	25.3	109	10.9	106	1.20	82	0
1896	25.7	36	31.9	39	19.3	34	0.88	106	2
1895							1.78	43	7
1894			35	18	22.1	20	1.46	59	6
1893					7.4	122	4.20	2	7
1892	16.7	117	22.7	122	10.7	109	1.33	71	0
1891							3.68	5	8
1890	24.5	43	31.6	44	17.4	50	0.75	114	3
1889	31.5	5	37.2	5	25.5	6	3.38	7	2
1888							3.01	9	8
1887	23.6	55	29.4	68	17.8	44	4.01	3	0
1886	13.5	128	21.2	127	5.9	129	1.36	69	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2023	34.9
2015	34.5
1931	32
1923	32
1889	31.5
1913	31.4
1939	30.9
1918	30.7
2006	30.5
2001	30.1

Coldest
Year	Mean, °F
1976	9.1
1985	9.4
1983	10.6
1989	11.1
2000	11.4
1919	12
1963	12.1
1886	13.5
1950	13.8
1924	14
More years share the last value

Wettest
Year	Precipitation, in
2015	5.71
1893	4.20
1887	4.01
2008	3.72
1891	3.68
1921	3.65
1889	3.38
1971	3.15
1888	3.01
2006	2.88

Driest
Year	Precipitation, in
1943	0.03
1960	0.10
1958	0.16
1998	0.30
1930	0.33
1994	0.34
1903	0.34
1919	0.36
1917	0.38
1954	0.42

The hottest, coldest and wettest days

Hottest day: 42°F; 23 December 2025, 18 December 2025
Coldest night: -8°F; 13 December 2025
Wettest day: 0.49 in; 28 December 2025

Every month, season and year

Months

Seasons

Years

Green Bay, WI the day's answers

All-time records

Every answer in words

December 2025 brought 1.80 in of precipitation in Green Bay, WI, the wettest December since 2021, 41st wettest of 140.
The hottest day of December 2025 in Green Bay, WI: 42°F on Tuesday 23 December 2025 and Thursday 18 December 2025.
The coldest night of December 2025 in Green Bay, WI: a low of -8°F on Saturday 13 December 2025.
The wettest day of December 2025 in Green Bay, WI: 0.49 in on Sunday 28 December 2025.