August weather forecast and climate
Holly Grove, AR

Weather in August

The last month of the summer, August, is another hot month in Holly Grove, Arkansas, with temperature in the range of an average low of 70.5°F (21.4°C) and an average high of 88.3°F (31.3°C).

Temperature

In Holly Grove, the average high-temperature in August is almost the same as in July - a still tropical 88.3°F (31.3°C). The average low-temperature, in Holly Grove, Arkansas, is 70.5°F (21.4°C).

Heat index

The average heat index in August is estimated at a blistering 104.7°F (40.4°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'real feel', 'apparent temperature', or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (metabolic differences, pregnancy, clothing). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

In Holly Grove, Arkansas, the average relative humidity is 76%.

Rainfall

In August, the rain falls for 16.3 days. Throughout August, 3.27" (83mm) of precipitation is accumulated. In Holly Grove, Arkansas, during the entire year, the rain falls for 162.4 days and collects up to 40.67" (1033mm) of precipitation.

Snowfall

In Holly Grove snow does not fall in April through September.

Daylight

In Holly Grove, the average length of the day in August is 13.4h.

Sunshine

The average sunshine in Holly Grove is 10.6h.

UV index

In August, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 6 in August interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in August in Holly Grove?

The average high-temperature, in August, in Holly Grove, Arkansas, is 88.3°F (31.3°C), while the average low-temperature is 70.5°F (21.4°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that combines both air temperature and relative humidity, in August is estimated at 104.7°F (40.4°C).

What is the average humidity in August in Holly Grove?

The average relative humidity in August in Holly Grove, Arkansas, is 76%.

How much does it rain in Holly Grove in August?

In Holly Grove, in August, it is raining for 16.3 days, with typically 3.27" (83mm) of accumulated precipitation.

When it does not snow in Holly Grove?

In Holly Grove snow does not fall in April through September.

What is the average length of the day in August in Holly Grove?

The average length of the day in August in Holly Grove, Arkansas, is 13.4h.

How long on average sun shines in August in Holly Grove?

In Holly Grove, the average sunshine in August is 10.6h.

How high is the UV index in August in Holly Grove?

In Holly Grove, Arkansas, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to the Sun's UV rays.

Average temperature in August
Holly Grove, AR

Average temperature in August - Holly Grove, AR
  • Average high temperature in August: 88.3°F

The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (48.2°F).

  • Average low temperature in August: 70.5°F

The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (34.9°F).

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Average pressure in August
Holly Grove, AR

Average pressure in August - Holly Grove, AR
  • Average pressure in August: 29.96"

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

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Average wind speed in August
Holly Grove, AR

Average wind speed in August - Holly Grove, AR
  • Average wind speed in August: 5.5mph

The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

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Average humidity in August
Holly Grove, AR

Average humidity in August - Holly Grove, AR
  • Average humidity in August: 76%

The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (67%).

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Average rainfall in August
Holly Grove, AR

Average rainfall in August - Holly Grove, AR
  • Average rainfall in August: 3.27"

The wettest month (with the highest rainfall) is April (4.69").
The driest month (with the least rainfall) is September (2.05").

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Average rainfall days in August
Holly Grove, AR

Average rainfall days in August - Holly Grove, AR
  • Average rainfall days in August: 16.3 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is October (9.6 days).

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Average snowfall in August
Holly Grove, AR

Average snowfall in August - Holly Grove, AR
  • Average snowfall in August: 0"

The month with the highest snowfall is January (0.79").
Months with the least snowfall are April, May, June, July, August and September (0").

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Average snowfall days in August
Holly Grove, AR

Average snowfall days in August - Holly Grove, AR
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (1.8 days).
Months with the least snowfall days are April, May, June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Holly Grove, AR

Average daylight in August / Average sunshine in August - Holly Grove, AR
  • Average daylight in August: 13.4h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in August: 10.6h

The month with the most sunshine is June (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 4.9h).

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Average sunshine days in August
Holly Grove, AR

Average sunshine days in August - Holly Grove, AR
  • Average sunshine days in August: 12.2 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (10.5 days).

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Average UV index in August
Holly Grove, AR

Average UV index in August - Holly Grove, AR
  • Average UV index in August: 6

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in August
Holly Grove, AR

Average cloud cover in August - Holly Grove, AR
  • Average cloud cover in August: 26

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 24).

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Average visibility in August
Holly Grove, AR

Average visibility in August - Holly Grove, AR
  • Average visibility in August: 6mi

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

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