August weather forecast and climate
Birmingham, AL

The colorful evening sky in Birmingham City, Alabama
The colorful evening sky in Birmingham City, Alabama
The last month of the summer, August, is another hot month in Birmingham, Alabama, with temperature in the range of an average low of 70.9°F (21.6°C) and an average high of 90.1°F (32.3°C).

Temperature

In Birmingham, the average high-temperature is practically the same as in July - a still tropical 90.1°F (32.3°C). In Birmingham, the average low-temperature is 70.9°F (21.6°C).

Heat index

The average heat index in August is evaluated at a blistering 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. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'real feel', 'apparent temperature', or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This effect is individual, with diverse people perceiving weather differently for numerous reasons (clothing, wind, pregnancy), and activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. 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

The average relative humidity in August is 72%.

Rainfall

In Birmingham, it is raining for 15.7 days, with typically 1.89" (48mm) of accumulated precipitation. In Birmingham, during the entire year, the rain falls for 143.1 days and collects up to 18.58" (472mm) of precipitation.

Snowfall

In Birmingham snow does not fall in April through October.

Daylight

The average length of the day is 13.4h.

Sunshine

In August, the average sunshine is 10.3h.

UV index

July and August, with an average maximum UV index of 7, are months with the highest UV index in Birmingham. A UV Index estimate of 6 to 7 represents a high health risk from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 7 interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in August in Birmingham?

In Birmingham, in August, the average high-temperature is 90.1°F (32.3°C), and the average low-temperature is 70.9°F (21.6°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), that factores the actual air temperature with the relative humidity, is calculated to 107.8°F (42.1°C).

What is the average humidity in August in Birmingham?

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

How much does it rain in Birmingham in August?

In Birmingham, in August, during 15.7 rainfall days, 1.89" (48mm) of precipitation is typically accumulated.

When it does not snow in Birmingham?

In Birmingham, Alabama, snow does not fall in April through October.

What is the average length of the day in August in Birmingham?

In Birmingham, the average length of the day in August is 13.4h.

How many hours of sunshine does Birmingham have in August?

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

What is the month with the highest UV index in Birmingham?

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

How high is the UV index in August in Birmingham?

In Birmingham, the average daily maximum UV index in August is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to the UV radiation.
Average temperature in August - Birmingham, AL
  • Average high temperature in August: 32.3°C

The warmest month (with the highest average high temperature) is July (32.8°C).
The month with the lowest average high temperature is January (10.4°C).

  • Average low temperature in August: 21.6°C

The month with the highest average low temperature is July (21.7°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).

Average pressure in August - Birmingham, AL
  • Average pressure in August: 1015.5mbar

The month with the highest atmospheric pressure is January (1021.7mbar).
The month with the lowest atmospheric pressure is June (1015.1mbar).

Average wind speed in August - Birmingham, AL
  • Average wind speed in August: 7.2km/h

The windiest month (with the highest average wind speed) is February (11.9km/h).
The calmest months (with the lowest average wind speed) are July and August (7.2km/h).

Average humidity in August - Birmingham, AL
  • Average humidity in August: 72%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (71%).

Average rainfall in August - Birmingham, AL
  • Average rainfall in August: 48mm

The wettest month (with the highest rainfall) is June (50mm).
The driest month (with the least rainfall) is November (26mm).

Average rainfall days in August - Birmingham, AL
  • Average rainfall days in August: 15.7 days

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (7.9 days).

Average snowfall in August - Birmingham, AL
  • Average snowfall in August: 0mm

The month with the highest snowfall is January (3mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

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

Months with the highest number of snowfall days are January and February (0.8 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 - Birmingham, AL
  • Average daylight in August: 13.4h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in August: 10.3h

The month with the most sunshine is July (Average sunshine: 10.7h).
The month with the least sunshine is February (Average sunshine: 4.7h).

Average sunshine days in August - Birmingham, AL
  • Average sunshine days in August: 12.3 days

The month with the most sunshine days is October (20.9 days).
The month with the least sunshine days is July (11.1 days).

Average UV index in August - Birmingham, 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 - Birmingham, 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 September (Cloud cover 30).

Average visibility in August - Birmingham, AL
  • Average visibility in August: 9km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).