Reading, PA: December

31 December 2025: December 2025 averaged 31.7°F in Reading, PA, the coldest December since 2017, tied 34th coldest of 130 (with 2017).

December 2025

Mean temperature: 31.7°F; Coldest since 2017; 34th coldest of 130
Precipitation: 2.21 in; Driest since 2021; 41st driest of 150

A normal December in Reading, PA (1991 to 2020): a mean temperature of 35.5°F, between 30.6°F and 39.9°F in eight years of ten and 3.54 in of precipitation, between 1.96 in and 6.04 in in eight years of ten.

The mean temperature of every December in Reading, PA since 1888: 31.7°F in 2025; the lowest is 20.6°F, in 1989.

Normal range, 30.6 to 39.9°F

Every year, ranked, as a table

Every December in Reading, PA from 1869 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	31.7	96	39.4	92	24.1	97	2.21	110	0
2024	35.3	53	43.3	50	27.3	63	3.50	66	0
2023	41.5	4	48.8	6	34.2	3	7.72	3	0
2022	35.3	53	44.1	37	26.5	72	4.24	45	0
2021	41.6	3	49.6	3	33.6	6	0.68	147	0
2020	36.1	43	44.1	37	28.1	53	3.85	53	0
2019	36.1	43	43.5	46	28.7	44	3.69	58	0
2018	37.4	28	44.9	28	29.9	32	4.51	34	0
2017	31.7	96	39.4	92	24	100	1.65	130	0
2016	35.3	53	42.5	59	28	56	2.33	105	0
2015	46.5	1	54.2	1	38.9	1	3.56	63	0
2014	37.1	35	43.7	44	30.5	27	2.93	87	0
2013	34.4	65	42.5	59	26.4	76	3.93	51	0
2012	39.4	12	46.5	15	32.4	7	3.29	75	0
2011	39.7	10	49	5	30.4	29	3.39	71	0
2010	30.6	103	37.7	106	23.5	103	1.98	117	0
2009	33.5	76	40.4	81	26.6	71	6.04	11	0
2008	34.7	61	42.4	61	27	67	6.54	7	0
2007	34.3	66	40.4	81	28.1	53	5.47	19	0
2006	40.1	7	49.6	3	30.6	26	2.18	112	0
2005	30.2	106	37.2	109	23.2	107	4.18	47	0
2004	34	70	42.1	63	26	79	3.30	74	0
2003	34	70	41.7	66	26.2	78	4.83	28	0
2002	30.8	102	38.2	103	23.3	104	5.09	23	0
2001	39.9	9	48.7	8	31.1	18	1.74	129	0
2000	26.5	126	34.3	125	18.7	126	3.51	65	0
1999	36.1	43	44.2	36	28.1	53	2.59	96	0
1998	41	5	49.7	2	32.2	8	0.65	148	0
1997	35.7	50	42.8	53	28.5	48	2.39	102	0
1996	37.9	25	44.5	34	31.3	16	8.89	1	0
1995	29.4	116	36.2	114	22.5	115	3.08	84	0
1994	38	21	47.2	13	28.9	42	3.52	64	0
1993	33.5	76	41.4	69	25.5	87	6.06	10	0
1992	34.2	67	41	72	27.3	63	3.62	60	0
1991	36.3	42	44.9	28	27.6	59	4.34	42	0
1990	36.7	37	44.9	28	28.4	52	5.82	14	0
1989	20.6	130	28.4	130	12.8	130	0.82	144	0
1988	31.6	98	40.6	77	22.6	114	0.98	142	0
1987	35.6	51	43.7	44	27.5	61	1.29	138	0
1986	34.5	63	43.2	51	25.7	82	4.23	46	1
1985	29.6	111	37.8	105	21.5	118	2.19	111	0
1984	38	21	48.1	10	28	56	2.70	92	0
1983	30	107	37.7	106	22.2	116	8.89	1	0
1982	39.1	14	48.7	8	29.4	34	1.57	131	0
1981	31.5	99	39.7	88	23.3	104	3.18	81	0
1980	28.7	120	39.3	95	18.2	127	0.80	145	0
1979	35.2	57	44.7	32	25.6	85	2.17	113	0
1978	33.5	76	44.1	37	22.9	110	4.77	29	0
1977	29.2	117	38.8	98	19.6	122	6.17	9	0
1976	24.4	128	32.5	128	16.4	129	1.95	120	0
1975	32.3	93	40.7	75	23.9	101	2.32	106	0
1974	35.2	57	44.6	33	25.7	82	3.88	52	0
1973	34.7	61	43.9	40	25.5	87	7.05	4	0
1972	35.9	48	42.8	53	29	38	6.63	6	0
1971	37.2	30	45.8	17	28.6	47	1.31	137	0
1970	33.3	81	40.9	74	25.8	81	3.00	85	0
1969	30.4	105	38.1	104	22.7	113	5.91	12	0
1968	33.4	79	39.5	89	27.2	66	2.64	94	0
1967	37.2	30	43.5	46	30.9	21	5.00	25	0
1966	35.3	53	41.6	67	29	38	3.78	56	0
1965	38.4	19	45.4	21	31.5	12	1.94	122	0
1964	36.5	40	42.7	56	30.3	30	4.99	26	0
1963	28.8	119	34.4	124	23.3	104	1.89	126	0
1962	29.5	113	36.9	111	22.1	117	3.31	72	0
1961	33.8	74	40	86	27.6	59	3.21	79	0
1960	27.9	124	36.7	113	19.2	124	2.31	107	0
1959	37.2	30	43.9	40	30.5	27	4.69	32	0
1958	28.2	121	35.5	118	20.9	120	1.33	136	0
1957	38.7	15	45.1	25	32.2	8	5.59	17	0
1956	40.9	6	47.7	11	34	4	4.27	44	0
1955	29.5	113	36	115	23	109	0.17	150	0
1954	34.9	60	41.2	71	28.5	48	2.73	90	0
1953	39.4	12	47.1	14	31.7	11	5.63	16	0
1952	37.4	28	43.4	49	31.5	12	3.60	61	0
1951	36.6	38	43.8	43	29.5	33	5.45	20	0
1950	32.2	94	38.7	99	25.7	82	4.35	41	0
1949	38	21	45.3	22	30.8	22	3.72	57	0
1948	36.1	43	43.5	46	28.7	44	5.90	13	0
1947	34	70	40.7	75	27.3	63	1.28	139	0
1946	37.2	30	45.3	22	29.2	35	2.42	101	0
1945	29.8	109	35.9	116	23.8	102	3.84	54	0
1944	31	101	37.5	108	24.5	94	3.63	59	0
1943	33	86	41.3	70	24.6	92	1.27	140	0
1942	30.5	104	37	110	24.1	97	5.09	23	0
1941	37.8	26	44.8	31	30.8	22	3.26	76	0
1940	38	21	45	27	31	20	3.40	70	0
1939	36.6	38	42.3	62	30.8	22	2.70	92	0
1938	35.4	52	41.8	65	29	38	1.98	117	0
1937	34.5	63	40.5	78	28.5	48	1.34	135	0
1936	38.6	16	45.7	18	31.5	12	4.38	36	0
1935	29.7	110	34.8	122	24.6	92	1.91	123	0
1934	33.3	81	39.8	87	26.9	69	2.30	108	0
1933	33.3	81	41	72	25.6	85	1.91	123	0
1932	37.2	30	45.2	24	29.1	36	2.48	100	0
1931	40.1	7	46.5	15	33.7	5	1.27	140	0
1930	33.3	81	38.9	97	27.8	58	2.61	95	0
1929	34	70	40.5	78	27.5	61	2.51	98	0
1928	38.1	20	45.5	20	30.7	25	0.76	146	0
1927	36.1	43	43.2	51	29	38	4.38	36	0
1926	29.1	118	35.5	118	22.8	111	2.10	115	0
1925	34.1	68	39.5	89	28.8	43	1.54	132	0
1924	32.9	89	39.3	95	26.5	72	1.95	120	0
1923	41.9	2	47.7	11	36.2	2	4.51	34	0
1922	33	86	39.4	92	26.7	70	3.18	81	0
1921	33.4	79	40.5	78	26.4	76	2.17	113	0
1920	36.9	36	42.7	56	31.1	18	4.75	30	0
1919	28	122	34.7	123	21.3	119	2.49	99	0
1918	38.6	16	45.1	25	32.1	10	4.74	31	0
1917	23.5	129	30.2	129	16.7	128	2.24	109	0
1916	32.4	92	38.3	101	26.5	72	4.07	48	0
1915	32.6	90	38.3	101	27	67	4.37	39	0
1914	29.6	111	35	121	24.2	96	5.52	18	0
1913	37.8	26	44.4	35	31.2	17	3.44	68	0
1912	36.5	40	43.9	40	29.1	36	4.56	33	0
1911	38.5	18	45.6	19	31.5	12	3.10	83	0
1910	26.7	125	34.2	126	19.3	123	1.90	125	0
1909	29.5	113	35.8	117	23.2	107	4.38	36	0
1908	33	86	39.5	89	26.5	72	2.35	104	0
1907	35	59	41.5	68	28.5	48	4.31	43	0
1906	31.5	99	38.7	99	24.4	95	4.93	27	0
1905	35.8	49	42.8	53	28.7	44	2.86	88	0
1904	26.4	127	33.7	127	19.1	125	1.82	127	0
1903	28	122	35.4	120	20.6	121	3.25	77	0
1902	29.9	108	36.9	111	22.8	111	6.64	5	0
1901	32.1	95	40.2	84	24.1	97	5.72	15	0
1900	33.2	85	40.4	81	26	79	2.53	97	0
1899	33.7	75	42.1	63	25.3	90	2.05	116	0
1898	32.5	91	40.1	85	25	91	3.80	55	0
1897							4.00	49	31
1896							0.40	149	31
1895							3.59	62	31
1894							4.00	49	31
1892							1.46	133	31
1889	39.5	11	48.8	6	30.3	30	2.95	86	0
1888	34.1	68	42.7	56	25.4	89	3.44	68	0
1886							3.47	67	31
1885							3.21	79	31
1884							6.22	8	31
1883							2.73	90	31
1882							1.96	119	31
1881							5.34	22	31
1880							3.25	77	31
1878							4.37	39	31
1877							1.46	133	31
1874							2.79	89	31
1873							1.76	128	31
1872							3.31	72	31
1871							0.98	142	31
1870							2.39	102	31
1869							5.44	21	31

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2015	46.5
1923	41.9
2021	41.6
2023	41.5
1998	41
1956	40.9
2006	40.1
1931	40.1
2001	39.9
2011	39.7

Coldest
Year	Mean, °F
1989	20.6
1917	23.5
1976	24.4
1904	26.4
2000	26.5
1910	26.7
1960	27.9
1919	28
1903	28
1958	28.2

Wettest
Year	Precipitation, in
1996	8.89
1983	8.89
2023	7.72
1973	7.05
1902	6.64
1972	6.63
2008	6.54
1884	6.22
1977	6.17
1993	6.06

Driest
Year	Precipitation, in
1955	0.17
1896	0.40
1998	0.65
2021	0.68
1928	0.76
1980	0.80
1989	0.82
1988	0.98
1871	0.98
1943	1.27
More years share the last value

The hottest, coldest and wettest days

Hottest day: 61°F; 19 December 2025
Coldest night: 11°F; 9 December 2025
Wettest day: 0.65 in; 2 December 2025

Every month, season and year

Months

Seasons

Years

Reading, PA the day's answers

All-time records

Every answer in words

December 2025 brought 2.21 in of precipitation in Reading, PA, the driest December since 2021, 41st driest of 150.
The hottest day of December 2025 in Reading, PA: 61°F on Friday 19 December 2025.
The coldest night of December 2025 in Reading, PA: a low of 11°F on Tuesday 9 December 2025.
The wettest day of December 2025 in Reading, PA: 0.65 in on Tuesday 2 December 2025.