Last updated: June 24, 2025
In Dayton, United States, the average temperature in August is a pleasant 23°C (73°F). However, don't be surprised if temperatures swing between a cool 10°C (50°F) and a scorching 37°C (100°F). Expect 95 mm (3.8 in) of precipitation spread over about 11 days, and prepare for a relatively high average humidity of 77%.
In August in Dayton, the average temperature is 23°C (73°F). Maximum can reach 37°C (100°F), and the minimum can be as low as 10°C (50°F). This makes Dayton an ideal destination for travelers seeking warm weather during the day but cool evenings for relaxation.
In Dayton in August, the precipitation amount is 95 mm (3.8 in) spread over 11 days.
In Dayton in August, humidity is 77%. With an average temperature of 23°C (73°F), this humidity feels like a warm, sticky embrace, making travel somewhat uncomfortable but bearable. It's essential to stay hydrated and take frequent breaks to enjoy the sights while avoiding overheating.
In Dayton in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Dayton.
UV Risk Categories
Weather in Dayton varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Dayton, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -6°C (21°F) | 32 mm (1.3 inches) | 82% | moderate |
February Weather | -6°C (21°F) | 42 mm (1.7 inches) | 84% | moderate |
March Weather | 3°C (38°F) | 72 mm (2.8 inches) | 80% | moderate |
April Weather | 9°C (48°F) | 72 mm (2.8 inches) | 81% | very high |
May Weather | 16°C (62°F) | 166 mm (6.5 inches) | 74% | very high |
June Weather | 23°C (74°F) | 109 mm (4.3 inches) | 80% | extreme |
July Weather | 24°C (76°F) | 89 mm (3.5 inches) | 80% | very high |
August Weather | 23°C (73°F) | 95 mm (3.8 inches) | 77% | very high |
September Weather | 20°C (68°F) | 127 mm (5.0 inches) | 75% | very high |
October Weather | 11°C (51°F) | 123 mm (4.8 inches) | 80% | high |
November Weather | 3°C (37°F) | 41 mm (1.6 inches) | 87% | moderate |
December Weather | -2°C (29°F) | 37 mm (1.5 inches) | 83% | moderate |