August weather forecastMarcella, AR
August
Weather in August
August, the last month of the summer in Marcella, is also a hot month, with an average temperature varying between 69.1°F (20.6°C) and 88.7°F (31.5°C).Temperature
The advent of August brings an average high-temperature of a still hot 88.7°F (31.5°C), almost identical to the preceding month. Marcella experiences a consistent average temperature of 69.1°F (20.6°C) throughout the nights in August.Heat index
August's average heat index is estimated at a blisteringly hot 105.8°F (41°C). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly 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.
The physiological way the human body responds to excessive heat is by inducing perspiration, using sweat evaporation as a cooling mechanism. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.
Humidity
In Marcella, the average relative humidity in August is 75%.Rainfall
In Marcella, during August, the rain falls for 16.8 days and regularly aggregates up to 3.39" (86mm) of precipitation. Throughout the year, there are 158 rainfall days, and 38.9" (988mm) of precipitation is accumulated.Snowfall
In Marcella, snow does not fall in April through October.Daylight
In August, the average length of the day is 13h and 28min.On the first day of the month, sunrise is at 6:15 am and sunset at 8:11 pm. On the last day of August, sunrise is at 6:39 am and sunset at 7:35 pm CDT.
Sunshine
In Marcella, the average sunshine in August is 10.5h.UV index
In Marcella, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability 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 protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Marcella, AR
- Average high temperature in August: 88.7°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in August: 69.1°F
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in August
Marcella, 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 (29.93"Hg).
Average wind speed in August
Marcella, AR
- Average wind speed in August: 5.1mph
The windiest month (with the highest average wind speed) is February (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in August
Marcella, AR
- Average humidity in August: 75%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in August
Marcella, AR
- Average rainfall in August: 3.39"
The wettest month (with the highest rainfall) is April (4.8").
The driest month (with the least rainfall) is September (2.28").
Average rainfall days in August
Marcella, AR
- Average rainfall days in August: 16.8 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is January (9 days).
Average snowfall in August
Marcella, 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
Marcella, AR
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (2.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Marcella, 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 30min
The months with the most sunshine are June and July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in August
Marcella, AR
- Average sunshine days in August: 11.5 days
The months with the most sunshine days are November and December (19.1 days).
The month with the least sunshine days is July (11.1 days).
Average UV index in August
Marcella, AR
- Average UV index in August: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in August
Marcella, AR
- Average cloud cover in August: 27
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in August
Marcella, 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).
