August weather forecast and climate
Sumiton, AL

Weather in August

August, the last month of the summer, in Sumiton, is another hot month, with average temperature fluctuating between 70.3°F (21.3°C) and 90.1°F (32.3°C).

Temperature

In August, the average high-temperature is practically the same as in July - a still hot 90.1°F (32.3°C). In Sumiton, Alabama, the average low-temperature is 70.3°F (21.3°C).

Heat index

In August, the average heat index is evaluated at a scorching 108.5°F (42.5°C). Be wary - heat exhaustion and heat cramps are highly anticipated. With continued activity, heatstroke is very likely.
Note that heat index values are valued for light wind and location in the shade. 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', 'felt air temperature', 'feels like', or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like activity, differences in body mass, height, and shape, metabolic differences, and pregnancy affect individual temperature impact. 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 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.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. 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 August, the average relative humidity is 73%.

Rainfall

Months with the most rainfall in Sumiton are July and August, with an average 1.46" (37mm) of precipitation.

Snowfall

March through October are months without snowfall.

Daylight

The average length of the day in August is 13.4h.

Sunshine

In August, the average sunshine is 10.4h.

UV index

Months with the highest UV index in Sumiton are July and August, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: In August, the average maximum UV index of 7 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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.
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FAQ

What is the temperature in August in Sumiton?

In August, in Sumiton, Alabama, the average high-temperature is 90.1°F (32.3°C), and the average low-temperature is 70.3°F (21.3°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), that combines relative humidity and air temperature, is calculated to 108.5°F (42.5°C).

What is the average humidity in August in Sumiton?

The average relative humidity in August in Sumiton is 73%.

How many days does it rain in August in Sumiton?

In August, in Sumiton, the rain falls for 14.3 days. Throughout August, 1.46" (37mm) of precipitation is accumulated.

What is the wettest month in Sumiton?

The wettest months in Sumiton, Alabama, are July and August, with an average 1.46" (37mm) of rainfall.

When it does not snow in Sumiton?

March through October are months without snowfall in Sumiton, Alabama.

How many hours of daylight does Sumiton have in August?

The average length of the day in August in Sumiton is 13.4h.

How long on average sun shines in August in Sumiton?

In Sumiton, the average sunshine in August is 10.4h.

When is the highest UV index in Sumiton?

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

What is the UV index reading in August in Sumiton?

The average daily maximum UV index in August in Sumiton, Alabama, is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV radiation.

Average temperature in August
Sumiton, AL

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

The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (50.5°F).

  • Average low temperature in August: 70.3°F

Months with the highest average low temperature are July and August (70.3°F).
The coldest month (with the lowest average low temperature) is January (35.1°F).

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Average pressure in August
Sumiton, AL

Average pressure in August - Sumiton, 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").

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Average wind speed in August
Sumiton, AL

Average wind speed in August - Sumiton, 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).

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Average humidity in August
Sumiton, AL

Average humidity in August - Sumiton, AL
  • Average humidity in August: 73%

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

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Average rainfall in August
Sumiton, AL

Average rainfall in August - Sumiton, AL
  • Average rainfall in August: 1.46"

The wettest months (with the highest rainfall) are July and August (1.46").
The driest month (with the least rainfall) is September (0.75").

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Average rainfall days in August
Sumiton, AL

Average rainfall days in August - Sumiton, AL
  • Average rainfall days in August: 14.3 days

The month with the highest number of rainy days is July (15.8 days).
Months with the least rainy days are October and November (7.1 days).

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Average snowfall in August
Sumiton, AL

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

The month with the highest snowfall is January (0.28").
Months with the least snowfall are March, April, May, June, July, August, September and October (0").

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Average snowfall days in August
Sumiton, AL

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

The month with the highest number of snowfall days is January (1.3 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in August / Average sunshine in August - Sumiton, 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: 9.9h).

  • Average sunshine in August: 10.4h

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).

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Average sunshine days in August
Sumiton, AL

Average sunshine days in August - Sumiton, AL
  • Average sunshine days in August: 13.7 days

The month with the most sunshine days is October (22.6 days).
The month with the least sunshine days is July (11.5 days).

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Average UV index in August
Sumiton, AL

Average UV index in August - Sumiton, 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).

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Average cloud cover in August
Sumiton, AL

Average cloud cover in August - Sumiton, AL
  • Average cloud cover in August: 31

Months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is September (Cloud cover 29).

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Average visibility in August
Sumiton, AL

Average visibility in August - Sumiton, 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).

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