July weather forecastPortland, AR
July
Weather in July
July, the same as June, in Portland, Arkansas, is a hot summer month, with an average temperature varying between 90.7°F (32.6°C) and 73.6°F (23.1°C).Temperature
July is the month when Portland sees the highest average temperatures, with a high of 90.7°F (32.6°C) and a low of 73.6°F (23.1°C).Heat index
July's average heat index is computed to be a blisteringly hot 111.2°F (44°C). Forewarned: Heat cramps and heat exhaustion are anticipated. Ongoing physical activity increases the likelihood of heatstroke.For clarity, heat index numbers account for light winds and areas under shade. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.
Humidity
In July, the average relative humidity is 74%.Rainfall
In Portland, Arkansas, during July, the rain falls for 16.7 days and regularly aggregates up to 3.31" (84mm) of precipitation. In Portland, during the entire year, the rain falls for 158.8 days and collects up to 40.67" (1033mm) of precipitation.Snowfall
April through October and December are months without snowfall.Daylight
In Portland, the average length of the day in July is 14h and 6min.On the first day of July, sunrise is at 6:00 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 8:05 pm CDT.
Sunshine
In Portland, the average sunshine in July is 10.5h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index, 7 in July, converts into the following recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Portland, AR
- Average high temperature in July: 90.7°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 July: 73.6°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 July
Portland, AR
- Average pressure in July: 29.98"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 July
Portland, AR
- Average wind speed in July: 5.7mph
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 July
Portland, AR
- Average humidity in July: 74%
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 July
Portland, AR
- Average rainfall in July: 3.31"
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 July
Portland, AR
- Average rainfall days in July: 16.7 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 July
Portland, AR
- Average snowfall in July: 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 July
Portland, AR
- Average snowfall days in July: 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 July /
Average sunshine in July
Portland, AR
- Average daylight in July: 14h and 6min
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 July: 10h and 30min
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 July
Portland, AR
- Average sunshine days in July: 12 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 July
Portland, AR
- Average UV index in July: 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 July
Portland, AR
- Average cloud cover in July: 28
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 July
Portland, AR
- Average visibility in July: 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).
