August weather forecast
Montevallo, AL

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Weather in August

August, the last month of the summer in Montevallo, is another tropical month, with temperature in the range of an average low of 71.2°F (21.8°C) and an average high of 90.1°F (32.3°C).

Temperature

August's advent denotes a minor fluctuation in the average high-temperature to a still hot 90.1°F (32.3°C) from July's 90.3°F (32.4°C). In August, the average low-temperature records at a pleasant 71.2°F (21.8°C) during the nights.

Heat index

The heat index for August is computed to be a blistering 109.4°F (43°C). Guard: Heat exhaustion and heat cramps are foreseeable. Prolonged effort may bring about heatstroke.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a single figure representing how weather conditions feel when combining temperature and humidity. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
To offset high temperatures, the human body releases sweat which, upon evaporation, cools it down. An upsurge in relative humidity affects normal body cooling mechanisms by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.

Humidity

In Montevallo, the average relative humidity in August is 74%.

Rainfall

The month with the most rainfall is August, when the rain falls for 18.8 days and typically aggregates up to 2.52" (64mm) of precipitation.

Snowfall

March through November are months without snowfall.

Daylight

In Montevallo, the average length of the day in August is 13h and 20min.
On the first day of the month, sunrise is at 6:01 am and sunset at 7:46 pm. On the last day of August, in Montevallo, sunrise is at 6:21 am and sunset at 7:13 pm CDT.

Sunshine

In Montevallo, Alabama, the average sunshine in August is 10.3h.

UV index

In August, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.
Note: The daily high UV index of 6 during August translates into the following recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

Montevallo in August has an average high-temperature of 90.1°F (32.3°C) and an average low-temperature of 71.2°F (21.8°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is computed to be 109.4°F (43°C).

What is the average humidity in August?

The average relative humidity in August is 74%.

What is the rainiest month?

August is the month with the most rainfall. Rain falls for 18.8 days and accumulates 2.52" (64mm) of precipitation.

How much does it rain in August?

In Montevallo, during August, the rain falls for 18.8 days and regularly aggregates up to 2.52" (64mm) of precipitation.

When it does not snow in Montevallo?

March through November are months without snowfall.

What is the average length of the day in August?

In August, the average day length is 13h and 20min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 6:01 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 7:13 pm CDT.

How long on average sun shines in August in Montevallo?

In August, the average sunshine duration is 10.3h.

How high is the UV index in August?

The average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health risk 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
Montevallo, AL

Average temperature in August - Montevallo, AL
  • Average high temperature in August: 90.1°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (51.4°F).

  • Average low temperature in August: 71.2°F

The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is January (36.3°F).

Average pressure in August
Montevallo, AL

Average pressure in August - Montevallo, AL
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).

Average wind speed in August
Montevallo, AL

Average wind speed in August - Montevallo, AL
  • Average wind speed in August: 4.4mph

The windiest months (with the highest average wind speed) are January, February and March (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.4mph).

Average humidity in August
Montevallo, AL

Average humidity in August - Montevallo, 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
Montevallo, AL

Average rainfall in August - Montevallo, AL
  • Average rainfall in August: 2.52"

The wettest month (with the highest rainfall) is August (2.52").
The driest months (with the least rainfall) are September and October (1.26").

Average rainfall days in August
Montevallo, AL

Average rainfall days in August - Montevallo, AL
  • Average rainfall days in August: 18.8 days

The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is November (6.7 days).

Average snowfall in August
Montevallo, AL

Average snowfall in August - Montevallo, AL
  • Average snowfall in August: 0"

The month with the highest snowfall is December (0.47").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

Average snowfall days in August
Montevallo, AL

Average snowfall days in August - Montevallo, AL
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
Montevallo, AL

Average daylight in August / Average sunshine in August - Montevallo, AL
  • 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 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

Average sunshine days in August
Montevallo, AL

Average sunshine days in August - Montevallo, AL
  • Average sunshine days in August: 9.8 days

The month with the most sunshine days is November (21.9 days).
The month with the least sunshine days is July (9 days).

Average UV index in August
Montevallo, AL

Average UV index in August - Montevallo, AL
  • Average UV index in August: 6

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

Average cloud cover in August
Montevallo, AL

Average cloud cover in August - Montevallo, AL
  • Average cloud cover in August: 32

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is September (Cloud cover 29).

Average visibility in August
Montevallo, AL

Average visibility in August - Montevallo, AL
  • 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).

Montevallo, Alabama, USA

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