< Previous Month Next Month >

Philadelphia August Weather

Averages and records for weather in Philadelphia, Pennsylvania in the month of August.

Typical Philadelphia August Weather 1991–2020
Average daily high	85.7 °F
Average daily low	68.8 °F
Average monthly precipitation	4.3 inches
Average monthly snow	none
Daily chance of precipitation	28.8%
Daily chance of snow	0%

Philadelphia August Weather Records 1894–2024
Highest temperature	101 °F	August 9, 2001
Lowest temperature	38 °F	August 21, 1895
Highest daily low	82 °F	August 13, 2016
Lowest daily high	54 °F	August 31, 1911
Hottest average high temperature	90.0 °F	2022
Coldest average high temperature	72.6 °F	1915
Most daily precipitation	4.8 inches	August 14, 2011
Most monthly precipitation	19.3 inches	2011
Most daily snow	none	-
Most monthly snow	none	-

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
August 1	87.1	70.3	101	43
August 2	87.0	70.2	99	45
August 3	86.9	70.2	98	47
August 4	86.8	70.1	98	48
August 5	86.7	70.0	98	44
August 6	86.6	69.9	100	51
August 7	86.5	69.8	99	52
August 8	86.4	69.6	100	55
August 9	86.3	69.5	101	46
August 10	86.2	69.4	98	54
August 11	86.1	69.3	97	48
August 12	86.0	69.1	97	45
August 13	86.0	69.0	99	40
August 14	85.9	69.0	99	45
August 15	85.8	68.8	98	42
August 16	85.7	68.7	98	44
August 17	85.5	68.6	96	46
August 18	85.3	68.4	97	40
August 19	85.1	68.2	94	44
August 20	85.0	68.1	99	46
August 21	85.0	68.1	96	38
August 22	84.9	68.0	95	39
August 23	84.7	67.8	95	42
August 24	84.6	67.6	93	50
August 25	84.4	67.5	98	45
August 26	84.3	67.3	100	40
August 27	84.1	67.2	98	42
August 28	83.9	66.9	99	43
August 29	83.7	66.7	98	41
August 30	83.6	66.4	100	41
August 31	83.4	66.2	101	40

Weather Station Details

Years	Station	Coordinates
1941–2024	Philadelphia International Airport	location
1916–1940	Philadelphia Naval Yard	location
1894–1915	Drexel University	location