July weather forecastMount Vernon, AR
July
Weather in July
July, the same as June, in Mount Vernon, Arkansas, is another tropical summer month, with an average temperature varying between 70.3°F (21.3°C) and 91°F (32.8°C).Temperature
Mount Vernon reaches its highest average temperatures in July, measuring 91°F (32.8°C) at the peak and 70.3°F (21.3°C) at the lowest.Heat index
During July, the heat index is evaluated at a scorching 111.2°F (44°C). Mind: Heat cramps along with heat exhaustion are anticipated. Heatstroke can develop with continued physical activity.Be advised, the heat index considers values for conditions in shade and with a light breeze. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. With an abundance of moisture present in the air, the process of evaporation becomes less effective, and the body fails to cool down as it should, leading to the sensation of overheating. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.
Humidity
The average relative humidity in July in Mount Vernon is 73%.Rainfall
July is the month with the most rainfall. Rain falls for 13.3 days and accumulates 1.61" (41mm) of precipitation.Snowfall
In Mount Vernon, snow does not fall in April through October.Daylight
In July, the average length of the day in Mount Vernon, Arkansas, is 14h and 16min.On the first day of the month, sunrise is at 5:57 am and sunset at 8:27 pm. On the last day of July, sunrise is at 6:17 am and sunset at 8:12 pm CDT.
Sunshine
The month with the most sunshine is July, with an average of 10.8h of sunshine.UV index
In Mount Vernon, the average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 6 in July translates into these instructions:
Resist extreme sun exposure. Guarding against solar damage is essential. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Mount Vernon, AR
- Average high temperature in July: 91°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in July: 70.3°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (32.2°F).
Average pressure in July
Mount Vernon, 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 (29.94"Hg).
Average wind speed in July
Mount Vernon, AR
- Average wind speed in July: 4.8mph
The windiest months (with the highest average wind speed) are March and April (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in July
Mount Vernon, AR
- Average humidity in July: 73%
The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in July
Mount Vernon, AR
- Average rainfall in July: 1.61"
The wettest month (with the highest rainfall) is July (1.61").
The driest month (with the least rainfall) is September (0.67").
Average rainfall days in July
Mount Vernon, AR
- Average rainfall days in July: 13.3 days
The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is October (7.2 days).
Average snowfall in July
Mount Vernon, AR
- Average snowfall in July: 0"
The month with the highest snowfall is March (0.24").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in July
Mount Vernon, AR
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (1.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in July /
Average sunshine in July
Mount Vernon, AR
- Average daylight in July: 14h and 18min
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 July: 10h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in July
Mount Vernon, AR
- Average sunshine days in July: 14 days
The month with the most sunshine days is October (21.6 days).
The month with the least sunshine days is July (14 days).
Average UV index in July
Mount Vernon, AR
- Average UV index in July: 6
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in July
Mount Vernon, AR
- Average cloud cover in July: 27
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in July
Mount Vernon, AR
- Average visibility in July: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
