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Dayton August Weather

Averages and records for weather in Dayton, Tennessee in the month of August.

Typical Dayton August Weather 1991–2020
Average daily high	87.4 °F
Average daily low	66.8 °F
Average monthly precipitation	3.8 inches
Average monthly snow	none
Daily chance of precipitation	35.3%
Daily chance of snow	0%

Dayton August Weather Records 1956–2024
Highest temperature	104 °F	August 10, 1980
Lowest temperature	49 °F	August 31, 1968
Highest daily low	76 °F	August 3, 2010
Lowest daily high	66 °F	August 13, 2004
Hottest average high temperature	96.4 °F	1980
Coldest average high temperature	80.3 °F	1992
Most daily precipitation	4.4 inches	August 17, 1982
Most monthly precipitation	10.1 inches	1982
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	87.8	67.5	98	55
August 2	87.8	67.5	97	59
August 3	87.8	67.5	100	55
August 4	87.8	67.4	100	54
August 5	87.7	67.4	98	54
August 6	87.7	67.3	99	56
August 7	87.7	67.2	102	56
August 8	87.6	67.1	103	52
August 9	87.7	67.1	103	53
August 10	87.7	67.0	104	55
August 11	87.6	66.9	100	56
August 12	87.5	66.9	98	56
August 13	87.5	66.8	96	49
August 14	87.4	66.8	102	52
August 15	87.4	66.7	96	52
August 16	87.4	66.7	100	54
August 17	87.4	66.7	100	52
August 18	87.3	66.6	100	57
August 19	87.2	66.6	99	56
August 20	87.0	66.5	99	53
August 21	86.9	66.4	101	55
August 22	86.9	66.2	102	55
August 23	86.8	66.1	100	55
August 24	86.7	65.9	102	55
August 25	86.5	65.7	99	55
August 26	86.4	65.5	98	53
August 27	86.3	65.3	97	52
August 28	86.2	65.2	95	52
August 29	86.1	65.0	94	51
August 30	86.0	64.9	94	49
August 31	85.8	64.7	98	49

Weather Station Details

Years	Station	Coordinates
1956–2024	Dayton 2SE	location