August weather forecast and climate
Cahaba Heights, AL

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

Temperature

In Cahaba Heights, the average high-temperature is practically the same as in July - a still hot 90.1°F (32.3°C). In Cahaba Heights, in August, the average low-temperature is 71.2°F (21.8°C).

Heat index

The average heat index is appraised at an extremely hot 107.8°F (42.1°C). Beware - heat cramps and heat exhaustion are very likely. Heatstroke is imminent with prolonged activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'apparent temperature', 'felt air temperature', or 'feels like', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (differences in body mass, height, and shape, metabolic differences, wind). Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

In Cahaba Heights, the average relative humidity in August is 72%.

Rainfall

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.

Snowfall

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

Daylight

The average length of the day in Cahaba Heights is 13.3h.

Sunshine

The average sunshine in Cahaba Heights is 10.3h.

UV index

July and August, with an average maximum UV index of 7, are months with the highest UV index in Cahaba Heights. A UV Index estimate of 6 to 7 represents a high threat to health from the exposure to the Sun's UV radiation for ordinary individuals.
Note: In August, the average maximum UV index of 7 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in August in Cahaba Heights?

In Cahaba Heights, Alabama, in August, the average high-temperature is 90.1°F (32.3°C), and the average low-temperature is 71.2°F (21.8°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), that combines relative humidity and air temperature, in August is estimated at 107.8°F (42.1°C).

What is the average humidity in August in Cahaba Heights?

In Cahaba Heights, Alabama, the average relative humidity in August is 72%.

How much does it rain in Cahaba Heights in August?

In Cahaba Heights, in August, during 18 rainfall days, 2.24" (57mm) of precipitation is typically accumulated.

What is the rainiest month in Cahaba Heights?

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

When it does not snow in Cahaba Heights?

April through November are months without snowfall in Cahaba Heights.

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

In Cahaba Heights, the average length of the day in August is 13.3h.

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

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

What are the months with the highest UV index in Cahaba Heights?

Months with the highest UV index in Cahaba Heights are July and August, with an average maximum UV index of 7.

How high is the UV index in August in Cahaba Heights?

The average daily maximum UV index in August in Cahaba Heights is 7. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to the UV radiation.
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: 29.98"

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

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: 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: 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: 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: 0"

The month with the highest snowfall is January (0.24").
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: 0 days

The month with the highest number of snowfall days is February (1 days).
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: 13.3h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in August: 10.3h

Months with the most sunshine are June and July (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.8h).

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: 7

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: 31

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

Average visibility in August - Cahaba Heights, AL
  • Average visibility in August: 6mi

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