Weather in Dayton, Ohio for July 2025
Heat Advisory - See hour by hour.
So far, July 2025 in Dayton is slightly warmer than the historical average by 1.4 °F.
Expect cooler weather in the next days in Dayton with the forecast suggesting a temperature of 27.6 °F, lower than the historical average.
In general, the average temperature in Dayton at the beginning of July is 29 °F. As the month progressed, temperatures tended to slightly increase, reaching an average of 29.4 °F by the end of July.
The climate of Dayton in July is notably wet, with an average of 14 rainy days, and a total of 101.8 mm of precipitation.
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Dayton Weather July
Temperatures trend during July in Dayton
July weather in Dayton day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jul. 1 |  Sunny | 25° /16° | 0 mm | 6 | |
| Jul. 2 |  Partly cloudy | 29° /14° | 0 mm | 7 | |
| Jul. 3 |  Patchy light rain | 30° /20° | 2 mm | 7 | |
| Jul. 4 |  Light rain shower | 31° /20° | 7.4 mm | 7 | |
| Jul. 5 | Light rain shower | 31° /20° | 1 mm | 7 | |
| Jul. 6 |  Fog | 28° /18° | 0.1 mm | 7 | |
| Jul. 7 | Sunny | 29° /19° | 2.5 mm | 7 | |
| Jul. 8 | Partly cloudy | 29° /19° | 0 mm | 7 | |
| Jul. 9 | Light rain shower | 28° /19° | 3 mm | 6 | |
| Jul. 10 | Light rain shower | 26° /19° | 3.9 mm | 6 | |
| Jul. 11 | Mist | 29° /17° | 0 mm | 7 | |
| Jul. 12 | Patchy rain possible | 29° /20° | 2.7 mm | 7 | |
| Jul. 13 | Sunny | 30° /20° | 1.4 mm | 7 | |
| Jul. 14 |  Patchy light rain with thunder | 28° /21° | 28.4 mm | 6 | |
| Jul. 15 | Sunny | 31° /22° | 0 mm | 8 | |
| Jul. 16 | Patchy light rain with thunder | 29° /22° | 33.7 mm | 6 | |
| Jul. 17 | Light rain shower | 28° /21° | 38.4 mm | 7 | |
| Jul. 18 | Partly cloudy | 26° /17° | 9.1 mm | 6 | |
| Jul. 19 | Sunny | 26° /17° | 5.3 mm | 6 | |
| Jul. 20 | Sunny | 27° /17° | 6.4 mm | 7 | |
| Jul. 21 | Partly cloudy | 26° /18° | 48.2 mm | 7 | |
| Jul. 22 | Patchy rain possible | 28° /16° | 1 mm | 7 | |
| Jul. 23 | Light rain shower | 29° /17° | 3.8 mm | 7 | |
| Jul. 24 | Patchy light drizzle | 31° /19° | 2.3 mm | 7 | |
| Jul. 25 | Mist | 29° /20° | 2.6 mm | 7 | |
| Jul. 26 | Sunny | 29° /18° | 0 mm | 7 | |
| Jul. 27 | Sunny | 31° /19° | 7.8 mm | 7 | |
| Jul. 28 | Partly cloudy | 31° /21° | 3 mm | 8 | |
| Jul. 29 | Light rain shower | 28° /20° | 8.4 mm | 6 | |
| Jul. 30 |  Cloudy | 33° /20° | 0 mm | 2.5 | |
| Jul. 31 |  Overcast | 25° /21° | 0 mm | 1.6 | |
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Dayton in July - FAQ
July rainfall patterns in Dayton
UV exposure in Dayton during July
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Where is Dayton?Get accurate weather forecasts for Dayton, located at latitude 39.759 and longitude -84.192. Stay updated with localized weather information tailored for Dayton.