August weather forecastHarrisburg, AR
August
Weather in August
The last month of the summer, August, is also a hot month in Harrisburg, Arkansas, with an average temperature ranging between max 87.3°F (30.7°C) and min 70.2°F (21.2°C).Temperature
Harrisburg experiences a subtle adjustment in high-temperatures to a still tropical 87.3°F (30.7°C) with the onset of August, maintaining near parity with July's 89.1°F (31.7°C). During the nights in August, Harrisburg observes an average low-temperature of 70.2°F (21.2°C).Heat index
Throughout August, the heat index is calculated to be a torrid 102.2°F (39°C). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.Metrics for the heat index primarily focus on shaded spots and light wind conditions. 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 'felt air temperature', joins air temperature with relative humidity to produce a temperature perception for humans. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
To offset high temperatures, the human body releases sweat which, upon evaporation, cools it down. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.
Humidity
In August, the average relative humidity in Harrisburg is 77%.Rainfall
In Harrisburg, during August, the rain falls for 14.1 days and regularly aggregates up to 2.6" (66mm) of precipitation. In Harrisburg, during the entire year, the rain falls for 152.8 days and collects up to 37.28" (947mm) of precipitation.Snowfall
In Harrisburg, snow does not fall in April through October.Daylight
The average length of the day in August in Harrisburg is 13h and 28min.On the first day of August, sunrise is at 6:11 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 7:31 pm CDT.
Sunshine
The average sunshine in August is 10.6h.UV index
In Harrisburg, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 6 in August translates into this advice:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Harrisburg, AR
- Average high temperature in August: 87.3°F
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (45.5°F).
- Average low temperature in August: 70.2°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 (32.9°F).
Average pressure in August
Harrisburg, 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 (29.93"Hg).
Average wind speed in August
Harrisburg, AR
- Average wind speed in August: 5.7mph
The windiest month (with the highest average wind speed) is February (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in August
Harrisburg, AR
- Average humidity in August: 77%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (67%).
Average rainfall in August
Harrisburg, AR
- Average rainfall in August: 2.6"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is January (2.28").
Average rainfall days in August
Harrisburg, AR
- Average rainfall days in August: 14.1 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is December (10 days).
Average snowfall in August
Harrisburg, AR
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Harrisburg, AR
- Average snowfall days in August: 0 days
The months with the highest number of snowfall days are January and February (1.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Harrisburg, 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 36min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in August
Harrisburg, AR
- Average sunshine days in August: 14.7 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (12.9 days).
Average UV index in August
Harrisburg, 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
Harrisburg, AR
- Average cloud cover in August: 26
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 24).
Average visibility in August
Harrisburg, 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).
