August weather forecast
Huntsville, AR

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Weather in August

The last month of the summer, August, is also a hot month in Huntsville, Arkansas, with an average temperature varying between 66°F (18.9°C) and 87.1°F (30.6°C).

Temperature

Huntsville's shift into August is marked by a subtle change to a still hot 87.1°F (30.6°C) from July's 88.3°F (31.3°C) in temperature. During August, the nighttime temperature averages to a refreshing 66°F (18.9°C).

Heat index

In August, the average heat index is evaluated at a fiery hot 100.4°F (38°C). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. As body temperatures escalate without effective heat release, one might face dehydration threats.

Humidity

The average relative humidity in August in Huntsville is 74%.

Rainfall

In August, the rain falls for 18.2 days. Throughout August, 3.62" (92mm) of precipitation is accumulated. In Huntsville, during the entire year, the rain falls for 160.8 days and collects up to 33.66" (855mm) of precipitation.

Snowfall

In Huntsville, snow does not fall in June through October.

Daylight

In August, the average length of the day in Huntsville, Arkansas, is 13h and 29min.
On the first day of August, sunrise is at 6:22 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 7:43 pm CDT.

Sunshine

In August, the average sunshine is 10.3h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: During August, 6 as the daily maximum UV index converts into the following advice:
Deter overexposure. Protecting against the sun's effects is essential. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
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Frequently asked questions

How hot is it in Huntsville in August?

The average high-temperature, in August, in Huntsville, is 87.1°F (30.6°C), while the average low-temperature is 66°F (18.9°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is evaluated at 100.4°F (38°C).

What is the average humidity in August in Huntsville?

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

How many days does it rain in August in Huntsville?

In August, in Huntsville, the rain falls for 18.2 days. Throughout August, 3.62" (92mm) of precipitation is accumulated.

When it does not snow in Huntsville?

June through October are months without snowfall in Huntsville.

How many hours of daylight does Huntsville have in August?

The average day length in August in Huntsville is 13h and 29min.

When are sunrise and sunset in August in Huntsville?

In August, on the first day of the month, sunrise is at 6:22 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 7:43 pm CDT.

How many hours of sunshine does Huntsville have in August?

The average sunshine duration in August in Huntsville, Arkansas, is 10.3h.

What is the month with the highest UV index in Huntsville?

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

What is the UV index reading in August in Huntsville?

The average daily maximum UV index in August in Huntsville, Arkansas, is 6. A UV Index value of 6 to 7 symbolizes a high health threat 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
Huntsville, AR

Average temperature in August - Huntsville, AR
  • Average high temperature in August: 87.1°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (43.9°F).

  • Average low temperature in August: 66°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

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Average pressure in August
Huntsville, AR

Average pressure in August - Huntsville, AR
  • Average pressure in August: 29.98"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).

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Average wind speed in August
Huntsville, AR

Average wind speed in August - Huntsville, AR
  • Average wind speed in August: 5.3mph

The windiest month (with the highest average wind speed) is April (8.7mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in August
Huntsville, AR

Average humidity in August - Huntsville, AR
  • Average humidity in August: 74%

The months with the highest relative humidity are March and May (78%).
The month with the lowest relative humidity is January (73%).

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Average rainfall in August
Huntsville, AR

Average rainfall in August - Huntsville, AR
  • Average rainfall in August: 3.62"

The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is February (1.89").

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Average rainfall days in August
Huntsville, AR

Average rainfall days in August - Huntsville, AR
  • Average rainfall days in August: 18.2 days

The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is January (8.1 days).

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Average snowfall in August
Huntsville, AR

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

The month with the highest snowfall is February (2.52").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in August
Huntsville, AR

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

The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Huntsville, AR
  • Average daylight in August: 13h and 3min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in August: 10h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

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Average sunshine days in August
Huntsville, AR

Average sunshine days in August - Huntsville, AR
  • Average sunshine days in August: 9.8 days

The month with the most sunshine days is January (20.4 days).
The month with the least sunshine days is August (9.8 days).

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Average UV index in August
Huntsville, AR

Average UV index in August - Huntsville, AR
  • 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 and December (UV index 2).

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Average cloud cover in August
Huntsville, AR

Average cloud cover in August - Huntsville, AR
  • Average cloud cover in August: 29

The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 28).

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Average visibility in August
Huntsville, AR

Average visibility in August - Huntsville, 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).

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Huntsville, Arkansas, USA

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