August weather forecast
Cahaba Heights, AL

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Weather in August

The last month of the summer, August, is another hot month in Cahaba Heights, Alabama, with an average temperature ranging between min 71.2°F (21.8°C) and max 90.1°F (32.3°C).

Temperature

During August, Cahaba Heights records an average high-temperature of a still hot 90.1°F (32.3°C), marking a slight divergence from July's 90.9°F (32.7°C). The nights of August anticipate an average low-temperature of 71.2°F (21.8°C).

Heat index

August's heat index is evaluated at a blisteringly hot 107.6°F (42°C). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.
Records show heat index calculations are tailored for shaded regions and mild winds. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. 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 primarily vital for children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

The average relative humidity in August in Cahaba Heights is 72%.

Rainfall

August is the month with the most rainfall. Rain falls for 18 days and accumulates 2.24" (57mm) of precipitation.

Snowfall

In Cahaba Heights, snow does not fall in April through November.

Daylight

The average length of the day in August is 13h and 22min.
On the first day of the month, sunrise is at 6:00 am and sunset at 7:46 pm. On the last day of August, sunrise is at 6:20 am and sunset at 7:13 pm CDT.

Sunshine

In August, the average sunshine is 10.3h.

UV index

The months with the highest UV index are July and August, with an average maximum UV index of 7. 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 maximum UV index of 7 during August leads to these instructions:
Shun overexposure. Protection from sun ravages is indispensable. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

In Cahaba Heights, 90.1°F (32.3°C) is the average high-temperature and 71.2°F (21.8°C) is the average low-temperature during August. In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 107.6°F (42°C).

What is the average humidity in August?

The average relative humidity in August is 72%.

What is the rainiest month?

The month with the most rainfall is August, when the rain falls for 18 days and typically aggregates up to 2.24" (57mm) of precipitation.

How much does it rain in August?

In August, in Cahaba Heights, the rain falls for 18 days. Throughout August, 2.24" (57mm) of precipitation is accumulated.

When it does not snow?

In Cahaba Heights, snow does not fall in April through November.

How many hours of daylight does Cahaba Heights have in August?

The average day length in August is 13h and 22min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:00 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 7:13 pm CDT.

How long on average sun shines in August?

In August, the average sunshine duration in Cahaba Heights is 10.3h.

What are the months with the highest UV index?

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

What is the UV index intensity in August?

In Cahaba Heights, the average daily maximum UV index in August is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health 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
Cahaba Heights, AL

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

The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (51.3°F).

  • Average low temperature in August: 71.2°F

The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (36°F).

Average pressure in August
Cahaba Heights, AL

Average pressure in August - Cahaba Heights, 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
Cahaba Heights, AL

Average wind speed in August - Cahaba Heights, AL
  • Average wind speed in August: 4.5mph

The windiest months (with the highest average wind speed) are February and March (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in August
Cahaba Heights, AL

Average humidity in August - Cahaba Heights, AL
  • Average humidity in August: 72%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (70%).

Average rainfall in August
Cahaba Heights, AL

Average rainfall in August - Cahaba Heights, AL
  • Average rainfall in August: 2.24"

The wettest month (with the highest rainfall) is August (2.24").
The driest month (with the least rainfall) is October (1.02").

Average rainfall days in August
Cahaba Heights, AL

Average rainfall days in August - Cahaba Heights, AL
  • Average rainfall days in August: 18 days

The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (7.3 days).

Average snowfall in August
Cahaba Heights, AL

Average snowfall in August - Cahaba Heights, AL
  • Average snowfall in August: 0"

The month with the highest snowfall is January (0.24").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in August
Cahaba Heights, AL

Average snowfall days in August - Cahaba Heights, AL
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (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
Cahaba Heights, AL

Average daylight in August / Average sunshine in August - Cahaba Heights, 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 month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in August
Cahaba Heights, AL

Average sunshine days in August - Cahaba Heights, AL
  • Average sunshine days in August: 10 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (9.4 days).

Average UV index in August
Cahaba Heights, AL

Average UV index in August - Cahaba Heights, AL
  • Average UV index in August: 7

The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in August
Cahaba Heights, AL

Average cloud cover in August - Cahaba Heights, AL
  • Average cloud cover in August: 31

The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June and October (Cloud cover 30).

Average visibility in August
Cahaba Heights, AL

Average visibility in August - Cahaba Heights, 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).

Cahaba Heights, Alabama, USA

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