August weather forecastDyess, AR
August
Weather in August
August, the last month of the summer in Dyess, is another hot month, with an average temperature fluctuating between 69.8°F (21°C) and 87.3°F (30.7°C).Temperature
The arrival of August sees an average high-temperature of a still hot 87.3°F (30.7°C), hardly diverging from July's 88.7°F (31.5°C). Throughout August, Dyess witnesses a nighttime temperature average of 69.8°F (21°C).Heat index
The heat index value for August is calculated to be a very hot 102.2°F (39°C). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.Take note of the fact that heat index values are based on shaded circumstances with light airflows. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Perspiration is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.
Humidity
In August, the average relative humidity is 77%.Rainfall
In August, the rain falls for 15.6 days. Throughout August, 2.64" (67mm) of precipitation is accumulated. In Dyess, during the entire year, the rain falls for 158.2 days and collects up to 39.37" (1000mm) of precipitation.Snowfall
April through September are months without snowfall in Dyess, Arkansas.Daylight
In August, the average length of the day in Dyess is 13h and 28min.On the first day of August, sunrise is at 6:09 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:29 pm CDT.
Sunshine
In Dyess, the average sunshine in August is 10.4h.UV index
In August, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 6 during August translates into the following directions:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Dyess, AR
- Average high temperature in August: 87.3°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (46.2°F).
- Average low temperature in August: 69.8°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).
Average pressure in August
Dyess, AR
- Average pressure in August: 29.97"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).
Average wind speed in August
Dyess, AR
- Average wind speed in August: 5.7mph
The windiest month (with the highest average wind speed) is February (9.7mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in August
Dyess, AR
- Average humidity in August: 77%
The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (68%).
Average rainfall in August
Dyess, AR
- Average rainfall in August: 2.64"
The wettest month (with the highest rainfall) is April (4.21").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in August
Dyess, AR
- Average rainfall days in August: 15.6 days
The month with the highest number of rainy days is May (16.4 days).
The months with the least rainy days are October and November (9.5 days).
Average snowfall in August
Dyess, AR
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.3").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in August
Dyess, AR
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Dyess, AR
- Average daylight in August: 13h and 30min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in August: 10h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in August
Dyess, AR
- Average sunshine days in August: 12.8 days
The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is May (12.2 days).
Average UV index in August
Dyess, AR
- Average UV index in August: 6
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in August
Dyess, AR
- Average cloud cover in August: 27
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in August
Dyess, 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).





