August weather forecast
Dardanelle, AR

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Weather in August

The last month of the summer, August, is another hot month in Dardanelle, Arkansas, with an average temperature varying between 68.7°F (20.4°C) and 90.5°F (32.5°C).

Temperature

During August, Dardanelle records an average high-temperature of a still tropical 90.5°F (32.5°C), marking a slight divergence from July's 91.8°F (33.2°C). Despite substantial daily fluctuations, the average low-temperature is an agreeable 68.7°F (20.4°C) during August.

Heat index

The heat index for August is appraised at an extremely hot 109.4°F (43°C). Keep alert: Heat cramps and heat exhaustion are probable. Heatstroke is a potential danger with continued physical activity.
Heat index details are generally centered around shaded locations and a mild breeze. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', determines the feeling of heat when you account for the relative humidity. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

July, August and October, with an average relative humidity of 73%, are the least humid months.

Rainfall

In August, the rain falls for 14.7 days. Throughout August, 2.87" (73mm) of precipitation is accumulated. In Dardanelle, during the entire year, the rain falls for 155.6 days and collects up to 37.01" (940mm) of precipitation.

Snowfall

In Dardanelle, snow does not fall in April through November.

Daylight

In Dardanelle, the average length of the day in August is 13h and 26min.
On the first day of the month, sunrise is at 6:22 am and sunset at 8:15 pm. On the last day of August, sunrise is at 6:44 am and sunset at 7:40 pm CDT.

Sunshine

The average sunshine in August is 10.6h.

UV index

In August, the average daily maximum UV index in Dardanelle is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: A maximum high UV index of 6 in August translates into the following recommendations:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

In August, the average high-temperature and low-temperature are 90.5°F (32.5°C) and 68.7°F (20.4°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is appraised at 109.4°F (43°C).

What is the least humid month?

July, August and October, with an average relative humidity of 73%, are the least humid months.

What is the average humidity in August?

In August, the average relative humidity is 73%.

How much does it rain in August?

In Dardanelle, in August, during 14.7 rainfall days, 2.87" (73mm) of precipitation is typically accumulated.

When it does not snow in Dardanelle?

April through November are months without snowfall.

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?

On the first day of August in Dardanelle, sunrise is at 6:22 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 7:40 pm CDT.

How many hours of sunshine does Dardanelle have in August?

In August, the average sunshine duration is 10.6h.

What is the UV index intensity in August?

In August, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high hazard to health 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
Dardanelle, AR

Average temperature in August - Dardanelle, AR
  • Average high temperature in August: 90.5°F

The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (47.5°F).

  • Average low temperature in August: 68.7°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).

Average pressure in August
Dardanelle, AR

Average pressure in August - Dardanelle, 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
Dardanelle, AR

Average wind speed in August - Dardanelle, AR
  • Average wind speed in August: 4.2mph

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).

Average humidity in August
Dardanelle, AR

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

The months with the highest relative humidity are March and May (79%).
The months with the lowest relative humidity are July, August and October (73%).

Average rainfall in August
Dardanelle, AR

Average rainfall in August - Dardanelle, AR
  • Average rainfall in August: 2.87"

The wettest month (with the highest rainfall) is May (4.84").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in August
Dardanelle, AR

Average rainfall days in August - Dardanelle, AR
  • Average rainfall days in August: 14.7 days

The months with the highest number of rainy days are May and July (16.3 days).
The month with the least rainy days is January (9.7 days).

Average snowfall in August
Dardanelle, AR

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

The month with the highest snowfall is February (0.83").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in August
Dardanelle, AR

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

The month with the highest number of snowfall days is February (1.8 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
Dardanelle, AR

Average daylight in August / Average sunshine in August - Dardanelle, 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 42min).
The months with the least sunshine are January and February (Average sunshine: 5h and 24min).

Average sunshine days in August
Dardanelle, AR

Average sunshine days in August - Dardanelle, AR
  • Average sunshine days in August: 13.2 days

The month with the most sunshine days is December (19.2 days).
The month with the least sunshine days is July (12.7 days).

Average UV index in August
Dardanelle, AR

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

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

Average cloud cover in August
Dardanelle, AR

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

The months with the most cloud cover are February and March (Cloud cover 45).
The months with the least cloud cover are June, July and August (Cloud cover 27).

Average visibility in August
Dardanelle, AR

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

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

Dardanelle, Arkansas, USA

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