Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
As Portland welcomes August, the average high-temperature stabilizes at a still tropical 89.6°F (32°C), showing little deviation from July's 90.7°F (32.6°C). Portland throughout August, records an average low-temperature of 72.3°F (22.4°C).Heat index
August's average heat index is computed to be a blisteringly hot 107.6°F (42°C). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.Heat index readings emphasize conditions of light breezes and shaded spots. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.
Humidity
In Portland, the average relative humidity in August is 75%.Rainfall
In August, the rain falls for 15.8 days. Throughout August, 2.83" (72mm) of precipitation is accumulated. In Portland, during the entire year, the rain falls for 158.8 days and collects up to 40.67" (1033mm) of precipitation.Snowfall
In Portland, snow does not fall in April through October and December.Daylight
In August, the average length of the day is 13h and 20min.On the first day of the month, sunrise is at 6:19 am and sunset at 8:05 pm. On the last day of August, sunrise is at 6:40 am and sunset at 7:32 pm CDT.
Sunshine
In Portland, the average sunshine in August is 10.5h.UV index
The months with the highest UV index in Portland are June through August, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 7 in August converts into the following recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. 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. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in August?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
How many hours of daylight does Portland have in August?
When is the sunrise / sunset in August?
How long on average sun shines in August?
What is the month with the highest UV index?
What is the UV index intensity in August?
Average temperature in August
Portland, AR
- Average high temperature in August: 89.6°F
The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (51.6°F).
- Average low temperature in August: 72.3°F
The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (38.1°F).
Average pressure in August
Portland, 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 (29.95"Hg).
Average wind speed in August
Portland, AR
- Average wind speed in August: 5.5mph
The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in August
Portland, AR
- Average humidity in August: 75%
The months with the highest relative humidity are February and March (79%).
The month with the lowest relative humidity is October (67%).
Average rainfall in August
Portland, AR
- Average rainfall in August: 2.83"
The wettest month (with the highest rainfall) is April (4.49").
The driest month (with the least rainfall) is November (2.44").
Average rainfall days in August
Portland, AR
- Average rainfall days in August: 15.8 days
The month with the highest number of rainy days is July (16.7 days).
The month with the least rainy days is October (9.3 days).
Average snowfall in August
Portland, AR
- Average snowfall in August: 0"
The month with the highest snowfall is February (0.43").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").
Average snowfall days in August
Portland, AR
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September, October and December (0 days).
Average daylight in August /
Average sunshine in August
Portland, AR
- Average daylight in August: 13h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in August: 10h and 3min
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
Portland, AR
- Average sunshine days in August: 13 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is July (12 days).
Average UV index in August
Portland, AR
- Average UV index in August: 7
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in August
Portland, 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
Portland, 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).
Portland, Arkansas, USA
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