August weather forecast
Decatur, AR

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Weather in August

August, the last month of the summer in Decatur, is another hot month, with temperature in the range of an average high of 88.9°F (31.6°C) and an average low of 68.2°F (20.1°C).

Temperature

Decatur experiences an average high-temperature of a still tropical 88.9°F (31.6°C) in August, subtly different from July's 90.5°F (32.5°C). In Decatur, in August, the average low-temperature is a pleasant 68.2°F (20.1°C).

Heat index

The heat index value during August is appraised at an extremely hot 104°F (40°C). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.
One should consider that heat index numbers are for shaded settings and light wind. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

The average relative humidity in August in Decatur, Arkansas, is 71%.

Rainfall

In Decatur, in August, during 12.3 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. Throughout the year, there are 139.7 rainfall days, and 31.02" (788mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in August is 13h and 30min.
On the first day of the month, sunrise is at 6:25 am and sunset at 8:23 pm. On the last day of August, in Decatur, sunrise is at 6:49 am and sunset at 7:46 pm CDT.

Sunshine

In August, the average sunshine is 10.7h.

UV index

In August, the average daily maximum UV index in Decatur is 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 6 in August converts into the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
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Frequently asked questions

How hot is August in Decatur?

Decatur in August has an average high-temperature of 88.9°F (31.6°C) and an average low-temperature of 68.2°F (20.1°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, in August is appraised at 104°F (40°C).

What is the average humidity in August in Decatur?

In Decatur, Arkansas, the average relative humidity in August is 71%.

How many days does it rain in August in Decatur?

In Decatur, Arkansas, in August, during 12.3 rainfall days, 2.48" (63mm) of precipitation is typically accumulated.

When it does not snow in Decatur?

In Decatur, Arkansas, snow does not fall in June through October.

How many hours of daylight does Decatur have in August?

In Decatur, Arkansas, the average day length in August is 13h and 30min.

When are sunrise and sunset in August in Decatur?

On the first day of August in Decatur, sunrise is at 6:25 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 7:46 pm CDT.

How long on average sun shines in August in Decatur?

The average sunshine duration in August in Decatur, Arkansas, is 10.7h.

What is the UV index reading in August in Decatur?

In Decatur, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes 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
Decatur, AR

Average temperature in August - Decatur, AR
  • Average high temperature in August: 88.9°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 (44.4°F).

  • Average low temperature in August: 68.2°F

The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

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Average pressure in August
Decatur, AR

Average pressure in August - Decatur, AR
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are April and June (29.93"Hg).

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Average wind speed in August
Decatur, AR

Average wind speed in August - Decatur, AR
  • Average wind speed in August: 6.8mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

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Average humidity in August
Decatur, AR

Average humidity in August - Decatur, AR
  • Average humidity in August: 71%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in August
Decatur, AR

Average rainfall in August - Decatur, AR
  • Average rainfall in August: 2.48"

The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is February (1.89").

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Average rainfall days in August
Decatur, AR

Average rainfall days in August - Decatur, AR
  • Average rainfall days in August: 12.3 days

The month with the highest number of rainy days is May (15.5 days).
The months with the least rainy days are January and November (8.5 days).

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Average snowfall in August
Decatur, AR

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

The month with the highest snowfall is February (1.46").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in August
Decatur, AR

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

The month with the highest number of snowfall days is February (4.7 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
Decatur, AR

Average daylight in August / Average sunshine in August - Decatur, 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 42min).

  • Average sunshine in August: 10h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).

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Average sunshine days in August
Decatur, AR

Average sunshine days in August - Decatur, AR
  • Average sunshine days in August: 17.2 days

The month with the most sunshine days is December (19.2 days).
The months with the least sunshine days are March and April (13.3 days).

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Average UV index in August
Decatur, AR

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

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

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Average cloud cover in August
Decatur, AR

Average cloud cover in August - Decatur, AR
  • Average cloud cover in August: 24

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 24).

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Average visibility in August
Decatur, AR

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

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

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Decatur, Arkansas, USA

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