August weather forecast
Rolla, AR

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Weather in August

The last month of the summer, August, is also a hot month in Rolla, Arkansas, with an average temperature varying between 91.4°F (33°C) and 70.5°F (21.4°C).

Temperature

The arrival of August sees a recorded average high-temperature of a still tropical 91.4°F (33°C), showing little divergence from the previous month's conditions. In August, the average low-temperature records at a pleasant 70.5°F (21.4°C) during the nights.

Heat index

The average heat index in August is appraised at a life-threatening hot 113°F (45°C). Watchful: Heat cramps and heat exhaustion are predicted. Continued exertion could lead to heatstroke.
Understand that the heat index values take into account shaded locations and mild winds. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an estimation of the warmth sensation when considering humidity levels. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Sweat evaporation, driven by perspiration, is the method the human body uses to rid itself of excessive warmth. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.

Humidity

The average relative humidity in August in Rolla is 73%.

Rainfall

In Rolla, during August, the rain falls for 18.3 days and regularly aggregates up to 3.86" (98mm) of precipitation. In Rolla, during the entire year, the rain falls for 166 days and collects up to 39.21" (996mm) of precipitation.

Snowfall

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

Daylight

In August, the average length of the day is 13h and 23min.
On the first day of August in Rolla, sunrise is at 6:22 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 7:37 pm CDT.

Sunshine

June through August, with an average of 10.4h of sunshine, are months with the most sunshine in Rolla.

UV index

In August, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: In August, a daily maximum UV index of 6 leads to the following instructions:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
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Frequently asked questions

How hot does it get in Rolla in August?

The average high-temperature, in August, in Rolla, is 91.4°F (33°C), while the average low-temperature is 70.5°F (21.4°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 113°F (45°C).

What is the average humidity in August in Rolla?

In Rolla, the average relative humidity in August is 73%.

How much does it rain in Rolla in August?

In Rolla, Arkansas, during August, the rain falls for 18.3 days and regularly aggregates up to 3.86" (98mm) of precipitation.

When it does not snow in Rolla?

April through October are months without snowfall in Rolla.

What is the average length of the day in August in Rolla?

In Rolla, the average day length in August is 13h and 23min.

What time are sunrise and sunset in August in Rolla?

In August, on the first day of the month, sunrise is at 6:22 am and sunset at 8:11 pm. On the last day of the month, in Rolla, Arkansas, sunrise is at 6:44 am and sunset at 7:37 pm CDT.

What is the month with the most sunshine in Rolla?

June through August, with an average of 10.4h of sunshine, are months with the most sunshine in Rolla.

How long on average sun shines in August in Rolla?

In August, the average sunshine duration in Rolla is 10.4h.

How high is the UV index in August in Rolla?

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

Average temperature in August - Rolla, AR
  • Average high temperature in August: 91.4°F

The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is January (49.6°F).

  • Average low temperature in August: 70.5°F

The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (33.6°F).

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Average pressure in August
Rolla, AR

Average pressure in August - Rolla, 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 (29.94"Hg).

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Average wind speed in August
Rolla, AR

Average wind speed in August - Rolla, AR
  • Average wind speed in August: 4.7mph

The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in August
Rolla, AR

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

The month with the highest relative humidity is March (80%).
The months with the lowest relative humidity are July, September and October (72%).

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Average rainfall in August
Rolla, AR

Average rainfall in August - Rolla, AR
  • Average rainfall in August: 3.86"

The wettest month (with the highest rainfall) is April (4.53").
The driest month (with the least rainfall) is September (2.24").

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Average rainfall days in August
Rolla, AR

Average rainfall days in August - Rolla, AR
  • Average rainfall days in August: 18.3 days

The month with the highest number of rainy days is August (18.3 days).
The month with the least rainy days is November (10.2 days).

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Average snowfall in August
Rolla, AR

Average snowfall in August - Rolla, 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").

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Average snowfall days in August
Rolla, AR

Average snowfall days in August - Rolla, 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).

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

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

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in August: 10h and 2min

The months with the most sunshine are June, July and August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).

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Average sunshine days in August
Rolla, AR

Average sunshine days in August - Rolla, AR
  • Average sunshine days in August: 10 days

The month with the most sunshine days is January (18.6 days).
The month with the least sunshine days is August (10 days).

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Average UV index in August
Rolla, AR

Average UV index in August - Rolla, 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).

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Average cloud cover in August
Rolla, AR

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

The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June and September (Cloud cover 28).

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Average visibility in August
Rolla, AR

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

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

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Rolla, Arkansas, USA

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