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Lancaster August Weather

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

Typical Lancaster August Weather 1991–2020
Average daily high	84.1 °F
Average daily low	63.4 °F
Average monthly precipitation	3.6 inches
Average monthly snow	none
Daily chance of precipitation	31.3%
Daily chance of snow	0%

Lancaster August Weather Records 1894–2024
Highest temperature	107 °F	August 7, 1918
Lowest temperature	37 °F	August 30, 1986
Highest daily low	80 °F	August 1, 1915
Lowest daily high	61 °F	August 26, 1940
Hottest average high temperature	89.7 °F	1918
Coldest average high temperature	79.1 °F	1992
Most daily precipitation	4.6 inches	August 28, 1978
Most monthly precipitation	13.9 inches	1933
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	85.5	65.2	100	50
August 2	85.4	65.1	101	49
August 3	85.3	65.1	99	49
August 4	85.2	65.0	100	46
August 5	85.1	64.9	102	45
August 6	84.9	64.7	105	45
August 7	84.9	64.5	107	49
August 8	84.8	64.4	104	48
August 9	84.7	64.2	101	50
August 10	84.6	64.1	100	46
August 11	84.5	63.9	98	45
August 12	84.4	63.8	99	40
August 13	84.4	63.7	99	39
August 14	84.3	63.6	100	41
August 15	84.2	63.5	98	45
August 16	84.0	63.4	99	45
August 17	83.9	63.2	95	46
August 18	83.7	63.0	97	45
August 19	83.4	62.8	96	45
August 20	83.3	62.6	101	43
August 21	83.3	62.6	98	43
August 22	83.2	62.5	100	42
August 23	83.1	62.3	97	41
August 24	83.0	62.1	95	44
August 25	82.8	61.9	96	43
August 26	82.7	61.8	95	44
August 27	82.5	61.6	96	44
August 28	82.3	61.4	98	42
August 29	82.0	61.1	99	39
August 30	81.9	60.8	97	37
August 31	81.7	60.6	100	40

Weather Station Details

Years	Station	Coordinates
1974–2024	Lancaster 2 NE Filtration Plant	location
1894–1973	Lancaster 2 NE Pump Station	location