Dayton July Weather

Averages and records for weather in Dayton, Ohio in the month of July.
Typical Dayton July Weather
1991–2020
Average daily high 84.5 °F
Average daily low 65.0 °F
Average monthly precipitation 3.9 inches
Average monthly snow none
Daily chance of precipitation 34.2%
Daily chance of snow 0%
Dayton July Weather Records
1893–2024
Highest temperature 108 °F July 22, 1901
Lowest temperature 44 °F July 6, 1972
Highest daily low 82 °F July 21, 1934
Lowest daily high 65 °F July 27, 2004
Hottest average high temperature 94.6 °F 1921
Coldest average high temperature 78.4 °F 2009
Most daily precipitation 3.2 inches July 9, 1955
Most monthly precipitation 8.6 inches 1990
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)
High Low High Low
July 1 83.8 64.1 100 46
July 2 83.9 64.2 99 46
July 3 84.0 64.3 102 50
July 4 84.1 64.4 104 49
July 5 84.2 64.5 107 47
July 6 84.3 64.6 102 44
July 7 84.3 64.7 102 47
July 8 84.4 64.8 103 49
July 9 84.4 64.9 103 48
July 10 84.4 64.9 103 48
July 11 84.4 64.9 102 45
July 12 84.4 64.9 104 49
July 13 84.5 65.0 103 49
July 14 84.5 65.0 104 48
July 15 84.5 65.1 102 49
July 16 84.5 65.1 100 52
July 17 84.5 65.1 100 51
July 18 84.5 65.1 99 51
July 19 84.6 65.1 99 49
July 20 84.6 65.1 101 51
July 21 84.6 65.1 105 49
July 22 84.5 65.1 108 49
July 23 84.4 65.0 98 52
July 24 84.3 64.9 103 50
July 25 84.3 64.9 104 50
July 26 84.3 64.9 101 48
July 27 84.3 64.9 104 47
July 28 84.2 64.9 102 50
July 29 84.1 64.8 100 51
July 30 84.1 64.8 103 50
July 31 83.9 64.7 101 51
Weather Station Details
Years Station Coordinates
1948–2024 Dayton International Airport location
1893–1947 Dayton location