August weather forecast
Harriet, AR

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Weather in August

The last month of the summer, August, is also a hot month in Harriet, Arkansas, with temperature in the range of an average high of 89.8°F (32.1°C) and an average low of 66.9°F (19.4°C).

Temperature

Harriet's weather in August indicates an average high-temperature of a still hot 89.8°F (32.1°C), nearly consistent with the 90.5°F (32.5°C) of July. Harriet receives a consistent average low-temperature of 66.9°F (19.4°C) in August, a substantial dip from the day's heat.

Heat index

August's average heat index is computed to be a blistering 107.6°F (42°C). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.
Given the heat index, its values are aligned with shaded sites and gentle winds. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'real feel' or 'feels like', joins air temperature with relative humidity to produce a temperature perception for humans. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

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

Rainfall

In August, the rain falls for 15.8 days. Throughout August, 2.87" (73mm) of precipitation is accumulated. In Harriet, during the entire year, the rain falls for 150 days and collects up to 33.66" (855mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In August, the average length of the day is 13h and 29min.
On the first day of August in Harriet, sunrise is at 6:18 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 7:38 pm CDT.

Sunshine

The average sunshine in August in Harriet, Arkansas, is 10.2h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Harriet. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In August, a daily UV index of 6 turns into the following recommendations:
Ward off overexposure. Defence against solar harm is crucial. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
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Frequently asked questions

How hot is it in Harriet in August?

An average high-temperature, in August, in Harriet, is 89.8°F (32.1°C) and the average low-temperature is 66.9°F (19.4°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in August is computed to be 107.6°F (42°C).

What is the least humid month in Harriet?

The months with the lowest humidity are August and October, with an average relative humidity of 73%.

What is the average humidity in August in Harriet?

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

How much does it rain in Harriet in August?

In Harriet, in August, it is raining for 15.8 days, with typically 2.87" (73mm) of accumulated precipitation.

When it does not snow in Harriet?

In Harriet, Arkansas, snow does not fall in April through October.

How many hours of daylight does Harriet have in August?

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

When are sunrise and sunset in August in Harriet?

In August, on the first day of the month, sunrise is at 6:18 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 7:38 pm CDT.

How many hours of sunshine does Harriet have in August?

In Harriet, Arkansas, the average sunshine duration in August is 10.2h.

When is the highest UV index in Harriet?

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

What is the UV index reading in August in Harriet?

In August, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents 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
Harriet, AR

Average temperature in August - Harriet, AR
  • Average high temperature in August: 89.8°F

The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (44.2°F).

  • Average low temperature in August: 66.9°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).

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Average pressure in August
Harriet, AR

Average pressure in August - Harriet, 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
Harriet, AR

Average wind speed in August - Harriet, AR
  • Average wind speed in August: 4.5mph

The windiest months (with the highest average wind speed) are February, March and April (7mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

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Average humidity in August
Harriet, AR

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

The month with the highest relative humidity is March (79%).
The months with the lowest relative humidity are August and October (73%).

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Average rainfall in August
Harriet, AR

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

The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is September (2.01").

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Average rainfall days in August
Harriet, AR

Average rainfall days in August - Harriet, AR
  • Average rainfall days in August: 15.8 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (8.4 days).

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Average snowfall in August
Harriet, AR

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

The month with the highest snowfall is February (1.93").
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
Harriet, AR

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

The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in August / Average sunshine in August - Harriet, 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 1min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

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Average sunshine days in August
Harriet, AR

Average sunshine days in August - Harriet, AR
  • Average sunshine days in August: 12.5 days

The month with the most sunshine days is January (19.5 days).
The month with the least sunshine days is July (11.9 days).

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Average UV index in August
Harriet, AR

Average UV index in August - Harriet, 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 and December (UV index 2).

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Average cloud cover in August
Harriet, AR

Average cloud cover in August - Harriet, AR
  • Average cloud cover in August: 30

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 28).

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Average visibility in August
Harriet, AR

Average visibility in August - Harriet, AR
  • Average visibility in August: 5mi

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

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Harriet, Arkansas, USA

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