Weather in Dayton, Ohio for July 2026
Meteorological - Air Quality Alert - See hour by hour.
So far, July 2026 in Dayton is slightly warmer than the historical average by 1.6 °C.
The forecast for the next days in Dayton predicts temperatures to be around 28 °C, close to the historical average.
In general, the average temperature in Dayton at the beginning of July is 30.4 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 28 °C by the end of July.
Dayton experiences heavy rainfall in July, with over 20 rainy days and an average total precipitation 227.9 mm.
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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 | 28° /18° | 0 mm | 8 | |
| Jul. 2 |  Partly cloudy | 31° /17° | 0 mm | 9 | |
| Jul. 3 |  Patchy light rain | 32° /21° | 1.4 mm | 9 | |
| Jul. 4 |  Light rain shower | 32° /20° | 7.1 mm | 8 | |
| Jul. 5 | Light rain shower | 31° /20° | 1.7 mm | 8 | |
| Jul. 6 |  Fog | 29° /19° | 0.5 mm | 8 | |
| Jul. 7 | Sunny | 30° /19° | 2 mm | 9 | |
| Jul. 8 | Partly cloudy | 30° /19° | 0 mm | 8 | |
| Jul. 9 | Light rain shower | 29° /19° | 2 mm | 8 | |
| Jul. 10 | Light rain shower | 28° /20° | 4.8 mm | 7 | |
| Jul. 11 | Mist | 28° /18° | 9.4 mm | 8 | |
| Jul. 12 | Patchy rain possible | 29° /20° | 2.1 mm | 8 | |
| Jul. 13 | Sunny | 31° /19° | 1.1 mm | 9 | |
| Jul. 14 |  Patchy light rain with thunder | 30° /20° | 18.9 mm | 8 | |
| Jul. 15 | Sunny | 32° /21° | 0 mm | 9 | |
| Jul. 16 | Patchy light rain with thunder | 30° /21° | 22.7 mm | 8 | |
| Jul. 17 | Light rain shower | 29° /21° | 34.6 mm | 8 | |
| Jul. 18 | Partly cloudy | 28° /18° | 9.8 mm | 7 | |
| Jul. 19 | Sunny | 31° /20° | 0 mm | 6.2 | |
| Jul. 20 | Sunny | 27° /14° | 0 mm | 8.7 | |
| Jul. 21 | Sunny | 28° /18° | 18 mm | 3.9 | |
| Jul. 22 | Sunny | 23° /14° | 0 mm | 5.5 | |
| Jul. 23 | Sunny | 24° /12° | 0 mm | 6 | |
| Jul. 24 |  Overcast | 23° /14° | 0 mm | 6 | |
| Jul. 25 | Sunny | 24° /15° | 0.1 mm | 6 | |
| Jul. 26 | Sunny | 25° /12° | 0 mm | 6 | |
| Jul. 27 | Sunny | 27° /15° | 0 mm | 7 | |
| Jul. 28 | Sunny | 29° /18° | 0 mm | 7 | |
| Jul. 29 | Sunny | 29° /19° | 1 mm | 7 | |
| Jul. 30 | Light rain shower | 30° /21° | 9.5 mm | 7 | |
| Jul. 31 | Sunny | 32° /21° | 0 mm | 8 | |
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Dayton in July - FAQ
What are the expected maximum and minimum temperatures in Dayton during July?
How much rainfall should be expected in Dayton during July?
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July rainfall patterns in Dayton
UV exposure in Dayton during July
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