August weather forecast
Dayton, AR

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Weather in August

The last month of the summer, August, is another tropical month in Dayton, Arkansas, with an average temperature fluctuating between 91.6°F (33.1°C) and 69.3°F (20.7°C).

Temperature

The advent of August denotes an average high-temperature of a still hot 91.6°F (33.1°C), subtly different from July's 92.8°F (33.8°C). In Dayton, the nighttime chill during August is a clear shift from the day's highs, with an average of 69.3°F (20.7°C).

Heat index

In August, the heat index is appraised at a blistering 111.2°F (44°C). Forewarned: Heat cramps and heat exhaustion are anticipated. Ongoing physical activity increases the likelihood of heatstroke.
When referencing the heat index, its values are suitable for shady environments and light breezes. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. Increased relative humidity slows down evaporation, thereby decreasing the rate of heat removal from the body, culminating in a sensation of overheating. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

The least humid month is August, with an average relative humidity of 70%.

Rainfall

In Dayton, in August, during 15.5 rainfall days, 3.54" (90mm) of precipitation is typically accumulated. In Dayton, during the entire year, the rain falls for 148.5 days and collects up to 35.75" (908mm) of precipitation.

Snowfall

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

Daylight

In August, the average length of the day is 13h and 26min.
On the first day of the month, sunrise is at 6:26 am and sunset at 8:19 pm. On the last day of August, sunrise is at 6:49 am and sunset at 7:44 pm CDT.

Sunshine

The average sunshine in August is 10.5h.

UV index

The average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index of 6 during August translates into these guidelines:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in August?

An average high-temperature, in August, in Dayton, is 91.6°F (33.1°C) and the average low-temperature is 69.3°F (20.7°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in August is appraised at 111.2°F (44°C).

What is the least humid month?

With an average relative humidity of 70%, August is the least humid month.

What is the average humidity in August?

The average relative humidity in August is 70%.

How many days does it rain in August?

In Dayton, in August, it is raining for 15.5 days, with typically 3.54" (90mm) of accumulated precipitation.

When it does not snow?

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

What is the average length of the day in August?

The average day length in August is 13h and 26min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 6:26 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 7:44 pm CDT.

How many hours of sunshine does Dayton have in August?

In Dayton, the average sunshine duration in August is 10.5h.

What is the UV index intensity in August in Dayton?

The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.
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, AR

Average temperature in August - Dayton, AR
  • Average high temperature in August: 91.6°F

The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is January (48.7°F).

  • Average low temperature in August: 69.3°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (32.2°F).

Average pressure in August
Dayton, AR

Average pressure in August - Dayton, AR
  • Average pressure in August: 29.96"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in August
Dayton, AR

Average wind speed in August - Dayton, AR
  • Average wind speed in August: 4.6mph

The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

Average humidity in August
Dayton, AR

Average humidity in August - Dayton, AR
  • Average humidity in August: 70%

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is August (70%).

Average rainfall in August
Dayton, AR

Average rainfall in August - Dayton, AR
  • Average rainfall in August: 3.54"

The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is January (1.97").

Average rainfall days in August
Dayton, AR

Average rainfall days in August - Dayton, AR
  • Average rainfall days in August: 15.5 days

The month with the highest number of rainy days is August (15.5 days).
The month with the least rainy days is January (8.9 days).

Average snowfall in August
Dayton, AR

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

The month with the highest snowfall is February (1.14").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in August
Dayton, AR

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

The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in August / Average sunshine in August - Dayton, AR
  • Average daylight in August: 13h and 2min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in August: 10h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 5h and 18min).

Average sunshine days in August
Dayton, AR

Average sunshine days in August - Dayton, AR
  • Average sunshine days in August: 12.7 days

The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is August (12.7 days).

Average UV index in August
Dayton, AR

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

The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in August
Dayton, AR

Average cloud cover in August - Dayton, AR
  • Average cloud cover in August: 26

The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are June and August (Cloud cover 26).

Average visibility in August
Dayton, AR

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

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

Dayton, Arkansas, USA

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