August weather forecastMarianna, AR
August
Weather in August
The last month of the summer, August, is another hot month in Marianna, Arkansas, with an average temperature ranging between min 70.5°F (21.4°C) and max 88°F (31.1°C).Temperature
The onset of August notes an average high-temperature of a still hot 88°F (31.1°C), subtly shifted from July's 89.2°F (31.8°C). Throughout August, Marianna registers a consistent average low-temperature of 70.5°F (21.4°C).Heat index
The heat index for August is computed to be a blisteringly hot 104°F (40°C). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.Heat index's context suggests values are appropriate for shady areas and slight breezes. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', takes into account both air temperature and humidity to illustrate what people actually feel. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.
Humidity
The average relative humidity in August in Marianna is 77%.Rainfall
In Marianna, Arkansas, in August, it is raining for 17.9 days, with typically 3.46" (88mm) of accumulated precipitation. Throughout the year, there are 164.8 rainfall days, and 41.73" (1060mm) of precipitation is accumulated.Snowfall
In Marianna, snow does not fall in April through September.Daylight
In August, the average length of the day in Marianna, Arkansas, is 13h and 25min.On the first day of the month, sunrise is at 6:13 am and sunset at 8:05 pm. On the last day of August, sunrise is at 6:35 am and sunset at 7:30 pm CDT.
Sunshine
The average sunshine in August in Marianna is 10.4h.UV index
The average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 6 in August converts into the following recommendations:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Marianna, AR
- Average high temperature in August: 88°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (47.8°F).
- Average low temperature in August: 70.5°F
The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (34.9°F).
Average pressure in August
Marianna, 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 (29.94"Hg).
Average wind speed in August
Marianna, AR
- Average wind speed in August: 5.4mph
The windiest month (with the highest average wind speed) is February (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in August
Marianna, AR
- Average humidity in August: 77%
The months with the highest relative humidity are March and December (78%).
The month with the lowest relative humidity is October (67%).
Average rainfall in August
Marianna, AR
- Average rainfall in August: 3.46"
The wettest month (with the highest rainfall) is April (4.76").
The driest month (with the least rainfall) is January (2.4").
Average rainfall days in August
Marianna, AR
- Average rainfall days in August: 17.9 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in August
Marianna, AR
- Average snowfall in August: 0"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in August
Marianna, AR
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (1.6 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
Marianna, AR
- Average daylight in August: 13h and 24min
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 54min).
- 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 48min).
Average sunshine days in August
Marianna, AR
- Average sunshine days in August: 10.3 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (9.6 days).
Average UV index in August
Marianna, 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, February, November and December (UV index 3).
Average cloud cover in August
Marianna, AR
- Average cloud cover in August: 27
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in August
Marianna, 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).
