Allentown, PA: April

30 April 2026: April 2026 averaged 53.6°F in Allentown, PA, the warmest April since 2023, 10th warmest of 102.

April 2026

Mean temperature: 53.6°F; Warmest since 2023; 10th warmest of 102
Precipitation: 3.00 in; Driest since 2025; 41st driest of 111

A normal April in Allentown, PA (1991 to 2020): a mean temperature of 51.1°F, between 48.6°F and 53.8°F in eight years of ten and 3.19 in of precipitation, between 1.76 in and 6.04 in in eight years of ten.

The mean temperature of every April in Allentown, PA since 1923: 53.6°F in 2026; the highest is 56.8°F, in 2017.

Normal range, 48.6 to 53.8°F

Every year, ranked, as a table

Every April in Allentown, PA from 1912 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	53.6	10	65.5	12	41.7	12	3.00	71	0
2025	52.2	28	63.5	26	40.9	19	2.05	92	0
2024	52.5	18	63.1	29	41.8	11	5.56	17	0
2023	53.9	7	65.9	8	42	10	6.00	11	0
2022	49.3	63	60.1	64	38.4	64	5.66	15	0
2021	51.4	36	63	31	39.8	43	1.22	107	0
2020	50.5	46	60.6	57	40.5	30	4.34	32	0
2019	56.2	3	67.1	4	45.3	2	5.58	16	0
2018	47.2	90	58.2	90	36.2	87	3.69	48	0
2017	56.8	1	68.2	2	45.4	1	2.62	81	0
2016	50.5	46	62.5	40	38.5	62	1.79	97	0
2015	51.1	40	63.4	27	38.8	56	1.77	99	0
2014	49.6	58	61.9	48	37.3	77	6.60	7	0
2013	51	42	62.5	40	39.5	47	2.93	72	0
2012	51.2	38	63.9	21	38.6	60	2.92	73	0
2011	52.7	13	63	31	42.3	8	5.98	12	0
2010	53.7	9	67.3	3	40	41	3.42	56	0
2009	51.2	38	62.9	34	39.5	47	2.60	83	0
2008	52.3	25	64.1	20	40.6	25	2.89	74	0
2007	47.5	86	57.4	95	37.7	72	5.89	14	0
2006	52.4	21	65	14	39.7	45	3.18	63	0
2005	52.6	15	65.7	9	39.5	47	6.56	9	0
2004	51.1	40	62	46	40.2	37	3.90	41	0
2003	48.7	75	59.5	73	37.9	69	2.23	88	0
2002	52.4	21	63.6	24	41.1	18	3.83	43	0
2001	50.6	44	62.6	38	38.6	60	1.59	103	0
2000	49.4	61	59.6	72	39.2	51	3.76	44	0
1999	49.1	68	61.2	53	37.1	79	3.20	62	0
1998	51.8	31	63.1	29	40.5	30	5.21	22	0
1997	47.6	84	59.4	74	35.9	91	1.62	101	0
1996	48.9	69	60	66	37.8	70	5.54	18	0
1995	49.4	61	60.6	57	38.1	68	2.46	84	0
1994	54.7	4	66.9	5	42.5	7	3.04	69	0
1993	50.6	44	60.9	55	40.3	34	6.81	6	0
1992	48.8	71	58.5	82	39.1	53	0.88	109	0
1991	52.6	15	62.5	40	42.6	5	3.11	67	0
1990	51.9	30	62.8	35	40.9	19	2.31	86	0
1989	48.5	76	59.9	68	37	81	1.31	106	0
1988	48.5	76	58.2	90	38.8	56	1.36	105	0
1987	50.8	43	60.7	56	40.9	19	4.42	29	0
1986	50.5	46	60.6	57	40.3	34	4.31	33	0
1985	54.2	5	65.7	9	42.6	5	0.61	111	0
1984	49.3	63	58.9	80	39.7	45	5.08	23	0
1983	49.2	66	58.3	89	40.1	40	7.87	2	0
1982	47.2	90	58.5	82	35.9	91	4.73	26	0
1981	51.7	32	62.2	44	41.2	17	3.43	55	0
1980	52.9	12	63	31	42.8	3	4.39	30	0
1979	49.5	59	59	78	39.9	42	3.74	46	0
1978	50.4	50	61.4	52	39.5	47	1.55	104	0
1977	52.4	21	64.3	18	40.4	32	4.23	34	0
1976	52.3	25	64.3	18	40.3	34	2.16	90	0
1975	45.5	100	55.8	100	35.2	102	3.50	50	0
1974	52.4	21	63.6	24	41.3	15	3.98	39	0
1973	50	54	59.3	76	40.6	25	5.94	13	0
1972	47.1	93	58.4	86	35.7	98	2.78	78	0
1971	47.7	82	60	66	35.4	101	1.65	100	0
1970	48.4	79	59.1	77	37.7	72	4.65	28	0
1969	52.6	15	64.6	15	40.6	25	3.52	49	0
1968	52	29	65.6	11	38.3	66	3.14	65	0
1967	48.8	71	60.3	61	37.2	78	2.61	82	0
1966	45.7	99	55.1	102	36.2	87	3.75	45	0
1965	47.2	90	58.4	86	35.9	91	2.10	91	0
1964	47.4	87	57.6	94	37.1	79	7.01	4	0
1963	50.5	46	63.2	28	37.7	72	1.18	108	0
1962	50.3	51	61.8	49	38.8	56	3.97	40	0
1961	45.9	98	55.8	100	35.9	91	4.36	31	0
1960	54	6	66	7	42.1	9	3.45	53	0
1959	52.3	25	63.7	23	40.9	19	2.84	76	0
1958	51.5	34	62.8	35	40.2	37	5.44	19	0
1957	51.5	34	62.2	44	40.7	23	6.49	10	0
1956	46.7	94	57.9	92	35.5	100	3.42	56	0
1955	52.7	13	63.8	22	41.6	13	3.07	68	0
1954	52.5	18	64.5	16	40.4	32	2.81	77	0
1953	48.8	71	57.7	93	39.8	43	6.58	8	0
1952	51.6	33	61.6	51	41.6	13	10.09	1	0
1951	49.7	57	60.3	61	39.2	51	3.45	53	0
1950	46.2	97	57.3	96	35	103	1.97	93	0
1949	50.2	53	62	46	38.4	64	3.88	42	0
1948	49.8	56	60.6	57	38.9	55	3.50	50	0
1947	48.5	76	60.1	64	36.9	83	5.35	20	0
1946	48.8	71	61.2	53	36.3	86	0.64	110	0
1945	52.5	18	64.5	16	40.6	25	3.47	52	0
1944	46.5	96	57	99	35.9	91	3.99	38	0
1943	43.9	102	54.2	104	33.6	104	3.29	60	0
1942	53.8	8	66.2	6	41.3	15	1.82	96	0
1941	56.4	2	70	1	42.8	3	1.84	95	0
1940	45.1	101	54.6	103	35.7	98			0
1939	47.3	89	57.2	97	37.4	76	4.05	37	0
1938	53.3	11	65.5	12	40.7	23	3.14	65	3
1937			58.7	81	39.1	53	4.10	35	5
1936	47.6	84	58.5	82	36.4	85	3.04	69	3
1935	49.5	59	59.7	71	38.8	56	2.70	79	2
1934	48.3	80	59	78	37.6	75	4.08	36	1
1933	49.9	55	59.9	68	40.2	37	4.71	27	1
1932					35.9	91	2.22	89	4
1931	49.3	63	60.2	63	38.5	62	1.79	97	1
1930	47.7	82	58.4	86	37	81	2.86	75	2
1929	51.3	37	61.8	49	40.6	25	7.31	3	2
1928	47.4	87	58.5	82	36.1	89	5.34	21	1
1927	48.9	69	59.9	68	37.8	70	3.18	63	2
1926	46.6	95	57.2	97	36.1	89	2.26	87	0
1925	50.3	51	62.7	37	38.3	66	1.62	101	2
1924	48.3	80	59.4	74	36.8	84	4.79	25	1
1923	49.2	66	62.6	38	35.9	91			2
1922			62.3	43			3.23	61	6
1919							2.34	85	30
1918							4.89	24	30
1917							1.90	94	30
1916							3.31	59	30
1915							2.70	79	30
1914							3.74	46	30
1913							6.82	5	30
1912							3.37	58	30

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2017	56.8
1941	56.4
2019	56.2
1994	54.7
1985	54.2
1960	54
2023	53.9
1942	53.8
2010	53.7
2026	53.6

Coldest
Year	Mean, °F
1943	43.9
1940	45.1
1975	45.5
1966	45.7
1961	45.9
1950	46.2
1944	46.5
1926	46.6
1956	46.7
1972	47.1

Wettest
Year	Precipitation, in
1952	10.09
1983	7.87
1929	7.31
1964	7.01
1913	6.82
1993	6.81
2014	6.60
1953	6.58
2005	6.56
1957	6.49

Driest
Year	Precipitation, in
1985	0.61
1946	0.64
1992	0.88
1963	1.18
2021	1.22
1989	1.31
1988	1.36
1978	1.55
2001	1.59
1997	1.62
More years share the last value

The hottest, coldest and wettest days

Hottest day: 89°F; 16 April 2026
Coldest night: 24°F; 21 April 2026, 8 April 2026
Wettest day: 0.88 in; 25 April 2026

Every month, season and year

Months

Seasons

Years

Allentown, PA the day's answers

All-time records

Every answer in words

April 2026 brought 3.00 in of precipitation in Allentown, PA, the driest April since 2025, 41st driest of 111.
The hottest day of April 2026 in Allentown, PA: 89°F on Thursday 16 April 2026.
The coldest night of April 2026 in Allentown, PA: a low of 24°F on Tuesday 21 April 2026 and Wednesday 8 April 2026.
The wettest day of April 2026 in Allentown, PA: 0.88 in on Saturday 25 April 2026.