August weather forecast
Perryville, AR

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Weather in August

The last month of the summer, August, is also a hot month in Perryville, Arkansas, with temperature in the range of an average high of 90.9°F (32.7°C) and an average low of 69.4°F (20.8°C).

Temperature

August reports an average high-temperature of a still tropical 90.9°F (32.7°C), slightly varied from July's 91.9°F (33.3°C). An average low-temperature of 69.4°F (20.8°C) is anticipated throughout the nights during August.

Heat index

August's heat index is calculated to be a blistering 111.2°F (44°C). Stay watchful: Heat exhaustion along with heat cramps are likely. Ongoing effort may cause heatstroke.
In the scope of the heat index, its values resonate with shade and light wind conditions. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is the outcome of merging air's temperature and its humidity metrics. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.

Humidity

The average relative humidity in August is 73%.

Rainfall

In Perryville, during August, the rain falls for 15.1 days and regularly aggregates up to 2.6" (66mm) of precipitation. Throughout the year, there are 153.8 rainfall days, and 36.18" (919mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In August, the average length of the day is 13h and 26min.
On the first day of August, sunrise is at 6:21 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 7:38 pm CDT.

Sunshine

The average sunshine in August is 10.7h.

UV index

In Perryville, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: An average maximum UV index of 6 in August leads to these recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Updated: Jun 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in August?

In August, in Perryville, the average high-temperature is 90.9°F (32.7°C), and the average low-temperature is 69.4°F (20.8°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is calculated to be 111.2°F (44°C).

What is the average humidity in August?

In August, the average relative humidity is 73%.

How many days does it rain in August in Perryville?

In August, in Perryville, the rain falls for 15.1 days. Throughout August, 2.6" (66mm) of precipitation is accumulated.

When it does not snow?

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

What is the average length of the day in August?

In Perryville, the average day length in August is 13h and 26min.

When is the sunrise / sunset in August?

On the first day of August, sunrise is at 6:21 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 7:38 pm CDT.

How many hours of sunshine does Perryville have in August?

In August, the average sunshine duration is 10.7h.

What is the UV index intensity in August?

The average daily maximum UV index in August in Perryville is 6. A UV Index reading of 6 to 7 represents a high health threat 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
Perryville, AR

Average temperature in August - Perryville, AR
  • Average high temperature in August: 90.9°F

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (47.7°F).

  • Average low temperature in August: 69.4°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°F).

Average pressure in August
Perryville, AR

Average pressure in August - Perryville, AR
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in August
Perryville, AR

Average wind speed in August - Perryville, AR
  • Average wind speed in August: 4.3mph

The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in August
Perryville, AR

Average humidity in August - Perryville, AR
  • Average humidity in August: 73%

The month with the highest relative humidity is March (79%).
The months with the lowest relative humidity are July and October (72%).

Average rainfall in August
Perryville, AR

Average rainfall in August - Perryville, AR
  • Average rainfall in August: 2.6"

The wettest month (with the highest rainfall) is April (4.49").
The driest month (with the least rainfall) is September (1.93").

Average rainfall days in August
Perryville, AR

Average rainfall days in August - Perryville, AR
  • Average rainfall days in August: 15.1 days

The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is January (9.7 days).

Average snowfall in August
Perryville, AR

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

The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in August
Perryville, AR

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

The month with the highest number of snowfall days is January (1.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in August / Average sunshine in August - Perryville, 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 4min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).

Average sunshine days in August
Perryville, AR

Average sunshine days in August - Perryville, AR
  • Average sunshine days in August: 13.6 days

The month with the most sunshine days is January (18.9 days).
The month with the least sunshine days is July (12.9 days).

Average UV index in August
Perryville, AR

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

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

Average cloud cover in August
Perryville, AR

Average cloud cover in August - Perryville, AR
  • Average cloud cover in August: 27

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 26).

Average visibility in August
Perryville, AR

Average visibility in August - Perryville, 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).

Perryville, Arkansas, USA

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