Allentown, PA: August

31 August 2026: August 2026 averaged 73.1°F in Allentown, PA, the warmest August since 2022, 35th warmest of 104.

August 2026

Mean temperature: 73.1°F; Warmest since 2022; 35th warmest of 104
Precipitation: 4.75 in; Wettest since 2024; 43rd wettest of 111

A normal August in Allentown, PA (1991 to 2020): a mean temperature of 73°F, between 70.1°F and 75.1°F in eight years of ten and 3.78 in of precipitation, between 1.66 in and 10.29 in in eight years of ten.

The mean temperature of every August in Allentown, PA since 1923: 73.1°F in 2026; the highest is 78.2°F, in 1980.

Normal range, 70.1 to 75.1°F

Every year, ranked, as a table

Every August 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	73.1	35	83	46	63.2	30	4.75	43	0
2025	70	89	81.7	66	58.3	94	1.60	102	0
2024	72.1	52	82.4	54	61.9	49	5.63	27	0
2023	71.3	66	80.8	88	61.8	51	4.78	42	0
2022	76.1	4	87.8	2	64.5	15	2.84	73	0
2021	75.1	12	84.7	27	65.6	6	7.82	14	0
2020	74.3	21	84.3	32	64.4	16	10.33	5	0
2019	75	13	85.3	16	64.7	13	4.79	40	0
2018	76.8	2	85.6	13	68.1	1	12.21	2	0
2017	71.2	67	81.5	72	60.9	62	8.45	12	0
2016	76.5	3	87.6	3	65.4	8	1.99	96	0
2015	72.8	42	84.9	22	60.7	66	2.56	82	0
2014	70.8	76	82	58	59.5	83	1.97	97	0
2013	70.6	81	80.3	94	60.9	62	10.29	6	0
2012	73.4	30	84.7	27	62.1	45	3.75	60	0
2011	72.2	50	82.5	52	61.9	49	13.47	1	0
2010	73.3	31	83.9	35	62.6	38	1.70	100	0
2009	73	36	82.4	54	63.6	26	4.88	38	0
2008	69.5	94	81.4	74	57.6	101	1.33	106	0
2007	73	36	83.2	40	62.7	35	3.47	63	0
2006	72.7	43	83.2	40	62.3	43	2.41	85	0
2005	75.5	7	85.7	12	65.4	8	2.14	93	0
2004	71.5	63	81.2	81	61.8	51	4.53	45	0
2003	74.9	17	84.5	30	65.4	8	5.07	35	0
2002	75	13	87.5	4	62.4	41	2.25	90	0
2001	73.6	28	84.6	29	62.7	35	2.51	84	0
2000	70.2	88	79.2	98	61.2	60	5.22	30	0
1999	72.1	52	84	34	60.3	72	3.81	58	0
1998	72.9	39	84.1	33	61.7	55	3.12	68	0
1997	69.2	98	80.4	91	58	97	5.12	32	0
1996	70.8	76	81.7	66	60	78	0.91	109	0
1995	75	13	87	7	62.9	34	0.76	111	0
1994	70.9	75	81	85	60.8	64	6.18	22	0
1993	74.4	19	84.8	25	64	19	5.39	28	0
1992	69.3	97	79.5	96	59.2	87	4.08	55	0
1991	74.1	23	85	21	63.2	30	2.54	83	0
1990	71.8	58	81.3	76	62.3	43	6.47	20	0
1989	71.5	63	80.9	86	62	47	3.05	70	0
1988	75	13	85.1	18	64.8	12	2.72	75	0
1987	70.5	83	80.3	94	60.6	67	7.09	16	0
1986	69.6	92	79.2	98	60	78	3.77	59	0
1985	71.8	58	81.2	81	62.5	39	3.46	64	0
1984	74	24	82.8	48	65.3	11	4.17	50	0
1983	75.5	7	86.3	8	64.7	13	2.38	87	0
1982	68.3	101	78.7	100	57.9	98	8.43	13	0
1981	70.5	83	81.3	76	59.8	81	1.60	102	0
1980	78.2	1	88.4	1	68	2	0.93	108	0
1979	72.7	43	81.5	72	64	19	2.07	95	0
1978	73.3	31	82.2	57	64.4	16	8.95	10	0
1977	73	36	82	58	63.9	24	5.79	25	0
1976	71	73	81.7	66	60.3	72	5.09	34	0
1975	72.5	46	81.7	66	63.2	30	4.23	48	0
1974	72.4	48	81.3	76	63.5	27	9.42	8	0
1973	75.3	10	84.9	22	65.7	4	2.36	88	0
1972	71.1	69	82.3	56	59.9	80	2.26	89	0
1971	70.7	80	81.2	81	60.3	72	9.25	9	0
1970	72.9	39	84.4	31	61.3	59	1.69	101	0
1969	72	56	83.1	43	60.8	64	3.33	65	0
1968	73.8	26	85.1	18	62.4	41	2.74	74	0
1967	69.1	100	78.6	103	59.5	83	5.00	37	0
1966	74	24	86.2	9	61.8	51	2.68	77	0
1965	71.1	69	82	58	60.2	75	5.92	23	0
1964	69.5	94	81.4	74	57.7	100	1.26	107	0
1963	69.6	92	80.9	86	58.4	92	3.17	66	0
1962	70.5	83	80.6	89	60.4	71	6.50	19	0
1961	72	56	81.3	76	62.7	35	2.70	76	0
1960	72.7	43	81.8	65	63.5	27	6.31	21	0
1959	73.6	28	83.1	43	64.1	18	5.68	26	0
1958	71.8	58	82.5	52	61.2	60	2.15	92	0
1957	69.9	90	82.6	50	57.2	102	1.39	105	0
1956	70.8	76	81.1	84	60.5	70	3.56	62	0
1955	75.7	6	85.6	13	65.9	3	12.10	3	0
1954	69.4	96	80.4	91	58.4	92	7.01	17	0
1953	71.1	69	83.2	40	59	88	1.91	98	0
1952	71	73	80.4	91	61.6	56	5.21	31	0
1951	70.5	83	81.6	70	59.4	86	2.65	79	0
1950	71.4	65	82.6	50	60.1	76	2.14	93	0
1949	74.4	19	85.5	15	63.2	30	5.28	29	0
1948	72.5	46	83.5	38	61.5	57	4.33	46	0
1947	74.3	21	84.9	22	63.7	25	2.63	80	0
1946	68.2	103	79.3	97	57.1	103	4.79	40	0
1945	70.5	83	81.9	63	59	88	5.06	36	0
1944	73.8	26	87.1	6	60.6	67	1.52	104	0
1943	73.2	34	85.1	18	61.4	58	4.80	39	0
1942	71.2	67	80.6	89	61.8	51	8.74	11	0
1941	70.6	81	83	46	58.3	94	3.11	69	0
1940	69.2	98	78.7	100	59.6	82			0
1939	75.4	9	85.2	17	65.5	7	2.62	81	0
1938	75.2	11	87.3	5	63.3	29	2.25	90	1
1937	76	5	85.9	10	65.7	4	6.58	18	1
1936	74.8	18	85.9	10	64	19	3.96	57	3
1935	72.1	52	81.6	70	62.1	45	4.15	52	1
1934	68.3	101	78.7	100	58.1	96	4.17	50	3
1933	71.6	61	81.3	76	62	47	11.00	4	1
1932	72.4	48	84.8	25	60.1	76	3.17	66	0
1931	72.2	50	82	58	62.5	39	3.00	71	1
1930	71.1	69	83.3	39	59	88	1.71	99	0
1929	69.8	91	81.9	63	57.8	99	4.10	53	0
1928	73.3	31	82.8	48	64	19	9.95	7	2
1927	66.8	104	76.8	104	56.8	104	7.49	15	0
1926	72.9	39	82	58	64	19	5.85	24	1
1925	71.6	61	83.7	36	59.5	83	4.54	44	1
1924	72.1	52	83.7	36	60.6	67	3.73	61	1
1923	70.8	76	83.1	43	58.8	91	2.40	86	3
1922							4.24	47	31
1919							2.67	78	31
1918							4.20	49	31
1917							4.08	55	31
1916							0.81	110	31
1914							2.92	72	31
1913							4.10	53	31
1912							5.10	33	31

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1980	78.2
2018	76.8
2016	76.5
2022	76.1
1937	76
1955	75.7
2005	75.5
1983	75.5
1939	75.4
1973	75.3

Coldest
Year	Mean, °F
1927	66.8
1946	68.2
1982	68.3
1934	68.3
1967	69.1
1997	69.2
1940	69.2
1992	69.3
1954	69.4
2008	69.5
More years share the last value

Wettest
Year	Precipitation, in
2011	13.47
2018	12.21
1955	12.10
1933	11.00
2020	10.33
2013	10.29
1928	9.95
1974	9.42
1971	9.25
1978	8.95

Driest
Year	Precipitation, in
1995	0.76
1916	0.81
1996	0.91
1980	0.93
1964	1.26
2008	1.33
1957	1.39
1944	1.52
2025	1.60
1981	1.60

The hottest, coldest and wettest days

Hottest day: 92°F; 7 August 2026
Coldest night: 53°F; 29 August 2026
Wettest day: 1.22 in; 20 August 2026

Every month, season and year

Months

Seasons

Years

Allentown, PA the day's answers

All-time records

Every answer in words

August 2026 brought 4.75 in of precipitation in Allentown, PA, the wettest August since 2024, 43rd wettest of 111.
The hottest day of August 2026 in Allentown, PA: 92°F on Friday 7 August 2026.
The coldest night of August 2026 in Allentown, PA: a low of 53°F on Saturday 29 August 2026.
The wettest day of August 2026 in Allentown, PA: 1.22 in on Thursday 20 August 2026.