August weather forecast
Mount Vernon, AL

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Weather in August

The last month of the summer, August, is another tropical month in Mount Vernon, Alabama, with temperature in the range of an average low of 75°F (23.9°C) and an average high of 91.6°F (33.1°C).

Temperature

The commencement of August notes an average high-temperature of a still hot 91.6°F (33.1°C), exhibiting little difference from the previous month. August generally records an average low-temperature of 75°F (23.9°C).

Heat index

The heat index value for August is computed to be a blazing hot 114.8°F (46°C). Alert: Heat cramps and heat exhaustion are likely to occur. Prolonged exertion can lead to heatstroke.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Perspiration is essential for the human body; it facilitates cooling through the process of sweat evaporation. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

The average relative humidity in August is 74%.

Rainfall

The wettest months are July and August, with an average 4.57" (116mm) of rainfall.

Snowfall

March through December are months without snowfall.

Daylight

In August, the average length of the day in Mount Vernon is 13h and 14min.
On the first day of the month, sunrise is at 6:09 am and sunset at 7:47 pm. On the last day of August, sunrise is at 6:28 am and sunset at 7:16 pm CDT.

Sunshine

In Mount Vernon, the average sunshine in August is 10.5h.

UV index

The months with the highest UV index in Mount Vernon are May through August, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 7 in August transforms into the following instructions:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Updated: Jul 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

The average high-temperature, in August, in Mount Vernon, is 91.6°F (33.1°C), while the average low-temperature is 75°F (23.9°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in August is computed to be 114.8°F (46°C).

What is the average humidity in August?

In August, the average relative humidity is 74%.

What is the rainiest month?

The wettest months in Mount Vernon are July and August, with an average 4.57" (116mm) of rainfall.

How many days does it rain in August?

In Mount Vernon, in August, during 20.2 rainfall days, 4.57" (116mm) of precipitation is typically accumulated.

When it does not snow?

In Mount Vernon, snow does not fall in March through December.

What is the average length of the day in August?

In Mount Vernon, the average day length in August is 13h and 14min.

When are sunrise and sunset in August in Mount Vernon?

In August, on the first day of the month, sunrise is at 6:09 am and sunset at 7:47 pm. On the last day of the month, in Mount Vernon, sunrise is at 6:28 am and sunset at 7:16 pm CDT.

How many hours of sunshine does Mount Vernon have in August?

In August, the average sunshine duration is 10.5h.

What is the month with the highest UV index in Mount Vernon?

The months with the highest UV index are May through August, with an average maximum UV index of 7.

What is the UV index reading in August?

In Mount Vernon, the average daily maximum UV index in August is 7. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Mount Vernon, AL

Average temperature in August - Mount Vernon, AL
  • Average high temperature in August: 91.6°F

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (58.5°F).

  • Average low temperature in August: 75°F

The month with the highest average low temperature is August (75°F).
The coldest month (with the lowest average low temperature) is January (41.9°F).

Average pressure in August
Mount Vernon, AL

Average pressure in August - Mount Vernon, AL
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).

Average wind speed in August
Mount Vernon, AL

Average wind speed in August - Mount Vernon, AL
  • Average wind speed in August: 4.6mph

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).

Average humidity in August
Mount Vernon, AL

Average humidity in August - Mount Vernon, AL
  • Average humidity in August: 74%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (71%).

Average rainfall in August
Mount Vernon, AL

Average rainfall in August - Mount Vernon, AL
  • Average rainfall in August: 4.57"

The wettest months (with the highest rainfall) are July and August (4.57").
The driest month (with the least rainfall) is November (1.65").

Average rainfall days in August
Mount Vernon, AL

Average rainfall days in August - Mount Vernon, AL
  • Average rainfall days in August: 20.2 days

The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is November (6.6 days).

Average snowfall in August
Mount Vernon, AL

Average snowfall in August - Mount Vernon, AL
  • Average snowfall in August: 0"

The month with the highest snowfall is January (0.2").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in August
Mount Vernon, AL

Average snowfall days in August - Mount Vernon, AL
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in August /
Average sunshine in August
Mount Vernon, AL

Average daylight in August / Average sunshine in August - Mount Vernon, AL
  • Average daylight in August: 13h and 1min

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

  • Average sunshine in August: 10h and 3min

The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

Average sunshine days in August
Mount Vernon, AL

Average sunshine days in August - Mount Vernon, AL
  • Average sunshine days in August: 9.8 days

The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is July (6.1 days).

Average UV index in August
Mount Vernon, AL

Average UV index in August - Mount Vernon, AL
  • Average UV index in August: 7

The months with the highest UV index are May, 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
Mount Vernon, AL

Average cloud cover in August - Mount Vernon, AL
  • Average cloud cover in August: 30

The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is October (Cloud cover 25).

Average visibility in August
Mount Vernon, AL

Average visibility in August - Mount Vernon, AL
  • Average visibility in August: 6mi

The months with the highest visibility are January, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are February and December (5mi).

Mount Vernon, Alabama, USA

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