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Plymouth August Weather

Averages and records for weather in Plymouth, Indiana in the month of August.

Typical Plymouth August Weather 1991–2020
Average daily high	81.8 °F
Average daily low	60.3 °F
Average monthly precipitation	4.1 inches
Average monthly snow	none
Daily chance of precipitation	31.5%
Daily chance of snow	0%

Plymouth August Weather Records 1894–2024
Highest temperature	103 °F	August 13, 1936
Lowest temperature	36 °F	August 29, 1965
Highest daily low	79 °F	August 2, 1987
Lowest daily high	62 °F	August 21, 2004
Hottest average high temperature	92.5 °F	1947
Coldest average high temperature	74.0 °F	1915
Most daily precipitation	5.3 inches	August 18, 1990
Most monthly precipitation	9.0 inches	2007
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	82.9	61.5	98	42
August 2	82.8	61.3	99	44
August 3	82.7	61.2	99	42
August 4	82.6	61.1	100	45
August 5	82.4	61.0	101	42
August 6	82.3	60.8	101	43
August 7	82.2	60.6	99	47
August 8	82.1	60.5	98	48
August 9	82.1	60.5	102	42
August 10	82.0	60.4	99	43
August 11	82.0	60.4	98	40
August 12	82.0	60.3	100	40
August 13	81.9	60.3	103	42
August 14	82.0	60.4	99	37
August 15	81.9	60.4	96	40
August 16	81.8	60.3	98	42
August 17	81.7	60.2	98	46
August 18	81.5	60.0	97	38
August 19	81.4	59.9	100	44
August 20	81.4	59.9	99	41
August 21	81.4	59.8	98	39
August 22	81.3	59.7	98	42
August 23	81.2	59.5	98	39
August 24	81.1	59.3	99	41
August 25	81.0	59.2	96	40
August 26	80.8	59.1	98	42
August 27	80.7	58.9	97	44
August 28	80.6	58.7	97	41
August 29	80.4	58.5	99	36
August 30	80.3	58.4	96	36
August 31	80.2	58.2	99	38

Weather Station Details

Years	Station	Coordinates
1989–2024	Plymouth	location
1894–1989	Plymouth Power Substation	location