Dayton Weather in August

August in Dayton averages 30°C (86°F) during the day and 18°C (64°F) at night. Quite a bit of rainfall is typical this month, with around 78 mm (3.1 in) on average. An umbrella is a good idea.

Rainfall in Dayton in August

Past climate data indicates that roughly 8 days will see rain, totalling around 78 mm (3.1 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Dayton in August

If you're visiting Dayton in August, expect highs of 30°C (86°F) and overnight lows around 18°C (64°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 18°C (64°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep. This is typically the warmest month of the year, so light summer clothing is a good idea.

Sunshine in Dayton in August

Enjoy a sunny month with about 275 hours of sunshine, the clear skies make Dayton even more beautiful.

If your ideal day consists of dry skies and pleasant temperatures, May and September typically offer the best circumstances for Dayton.

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• January
• February
• March
• April

• May
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• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Dayton's climate page.

Dayton Temperature in August

Min Temperature 18°C (64°F)  

Max Temperature 30°C (86°F)  

Chance of Rain 27%  

Precipitation 78 mm (3.1 in)  

Rainy days 8 days  

Humidity 70%  

Sunshine 275 hours  

Percentage Sunshine 65%  

What to Wear in Dayton in August

Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Rain gear is recommended, you can expect wet weather on multiple days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Dayton in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

8/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Dayton's climate page.

More climate data for Dayton

Temperature Rainfall Sunshine Humidity

See the full Dayton climate overview or explore weather in the United States of America.