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Dayton August Weather

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

Typical Dayton August Weather 1991–2020
Average daily high	83.2 °F
Average daily low	63.2 °F
Average monthly precipitation	3.0 inches
Average monthly snow	none
Daily chance of precipitation	26.2%
Daily chance of snow	0%

Dayton August Weather Records 1893–2024
Highest temperature	105 °F	August 5, 1918
Lowest temperature	37 °F	August 31, 1915
Highest daily low	78 °F	August 22, 1936
Lowest daily high	62 °F	August 30, 1915
Hottest average high temperature	92.9 °F	1900
Coldest average high temperature	78.0 °F	1915
Most daily precipitation	3.4 inches	August 5, 1995
Most monthly precipitation	8.9 inches	1905
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	83.8	64.5	96	49
August 2	83.7	64.4	98	46
August 3	83.6	64.2	100	40
August 4	83.5	64.1	97	43
August 5	83.5	64.0	105	43
August 6	83.4	63.9	104	49
August 7	83.4	63.7	99	52
August 8	83.3	63.7	99	49
August 9	83.3	63.6	99	49
August 10	83.3	63.5	101	47
August 11	83.3	63.4	98	49
August 12	83.3	63.4	101	48
August 13	83.3	63.4	96	44
August 14	83.3	63.4	96	44
August 15	83.3	63.3	98	45
August 16	83.1	63.2	98	47
August 17	83.0	63.1	102	43
August 18	82.9	62.9	99	49
August 19	82.8	62.8	100	47
August 20	82.9	62.7	100	49
August 21	82.9	62.6	98	46
August 22	82.7	62.4	100	47
August 23	82.7	62.3	99	41
August 24	82.6	62.2	99	44
August 25	82.4	62.0	99	46
August 26	82.3	61.8	96	48
August 27	82.2	61.7	97	43
August 28	82.0	61.5	98	40
August 29	81.9	61.3	96	41
August 30	81.8	61.1	96	43
August 31	81.7	60.9	100	37

Weather Station Details

Years	Station	Coordinates
1948–2024	Dayton International Airport	location
1893–1947	Dayton	location