August weather forecast
Dayton, KY

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Weather in August

The last month of the summer, August, is also a moderately hot month in Dayton, Kentucky, with an average temperature fluctuating between 64.2°F (17.9°C) and 83.8°F (28.8°C).

Temperature

August's commencement is accompanied by an average high-temperature of a still warm 83.8°F (28.8°C), diverging marginally from July's 84.7°F (29.3°C). Dayton in August experiences a low-temperature average of 64.2°F (17.9°C).

Heat index

The heat index in August is appraised at a tropical 91.4°F (33°C). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.
Heat index readings emphasize conditions of light breezes and shaded spots. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', evaluates the perceived heat by adding the effect of moisture in the air. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.

Humidity

The months with the lowest humidity are August through October, with an average relative humidity of 74%.

Rainfall

In Dayton, in August, it is raining for 13.6 days, with typically 1.97" (50mm) of accumulated precipitation. Throughout the year, there are 150.9 rainfall days, and 27.64" (702mm) of precipitation is accumulated.

Snowfall

In Dayton, snow does not fall in May through October.

Daylight

The average length of the day in August is 13h and 39min.
On the first day of August, sunrise is at 6:39 am and sunset at 8:49 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 8:09 pm EDT.

Sunshine

The average sunshine in August is 10.2h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Dayton. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 6 during August translates into the following guidance:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during August?

In Dayton, in August, the average high-temperature is 83.8°F (28.8°C), and the average low-temperature is 64.2°F (17.9°C). The average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, in August is appraised at 91.4°F (33°C).

What is the least humid month?

August through October, with an average relative humidity of 74%, are the least humid months.

What is the average humidity in August in Dayton?

In Dayton, the average relative humidity in August is 74%.

How much does it rain in August?

In August, the rain falls for 13.6 days. Throughout August, 1.97" (50mm) of precipitation is accumulated.

When it does not snow?

May through October are months without snowfall.

What is the average length of the day in August?

In August, the average day length is 13h and 39min.

What time are sunrise and sunset in August in Dayton?

On the first day of August, sunrise is at 6:39 am and sunset at 8:49 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 8:09 pm EDT.

How many hours of sunshine does Dayton have in August?

The average sunshine duration in August is 10.2h.

When is the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 6.

What is the UV index reading in August?

The average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Dayton, KY

Average temperature in August - Dayton, KY
  • Average high temperature in August: 83.8°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in August: 64.2°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).

Average pressure in August
Dayton, KY

Average pressure in August - Dayton, KY
  • Average pressure in August: 29.99"Hg

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in August
Dayton, KY

Average wind speed in August - Dayton, KY
  • Average wind speed in August: 5mph

The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in August
Dayton, KY

Average humidity in August - Dayton, KY
  • Average humidity in August: 74%

The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are August, September and October (74%).

Average rainfall in August
Dayton, KY

Average rainfall in August - Dayton, KY
  • Average rainfall in August: 1.97"

The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is September (1.54").

Average rainfall days in August
Dayton, KY

Average rainfall days in August - Dayton, KY
  • Average rainfall days in August: 13.6 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (8.2 days).

Average snowfall in August
Dayton, KY

Average snowfall in August - Dayton, KY
  • Average snowfall in August: 0"

The month with the highest snowfall is February (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Dayton, KY

Average snowfall days in August - Dayton, KY
  • Average snowfall days in August: 0 days

The months with the highest number of snowfall days are January and February (5.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Dayton, KY

Average daylight in August / Average sunshine in August - Dayton, KY
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in August
Dayton, KY

Average sunshine days in August - Dayton, KY
  • Average sunshine days in August: 15 days

The months with the most sunshine days are October and November (19.2 days).
The month with the least sunshine days is May (10.9 days).

Average UV index in August
Dayton, KY

Average UV index in August - Dayton, KY
  • Average UV index in August: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in August
Dayton, KY

Average cloud cover in August - Dayton, KY
  • Average cloud cover in August: 27

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in August
Dayton, KY

Average visibility in August - Dayton, KY
  • Average visibility in August: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Dayton, Kentucky, USA

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