August weather forecast
Graysville, AL

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Weather in August

August, the last month of the summer in Graysville, is another hot month, with an average temperature ranging between max 90.1°F (32.3°C) and min 71.1°F (21.7°C).

Temperature

As July transitions into August, Graysville records an average high-temperature of a still tropical 90.1°F (32.3°C), showing a gentle shift from the preceding month. Graysville records an average nighttime low-temperature of 71.1°F (21.7°C) throughout August.

Heat index

For August, the heat index is estimated at a blistering 107.6°F (42°C). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.
Heat index's context suggests values are appropriate for shady areas and slight breezes. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', provides an understanding of perceived warmth by combining temperature and relative humidity. 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. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.

Humidity

The average relative humidity in August is 72%.

Rainfall

In Graysville, in August, during 20.2 rainfall days, 3.74" (95mm) of precipitation is typically accumulated. In Graysville, during the entire year, the rain falls for 173.7 days and collects up to 40" (1016mm) of precipitation.

Snowfall

April through October are months without snowfall.

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 7:47 pm. On the last day of August, in Graysville, sunrise is at 6:21 am and sunset at 7:14 pm CDT.

Sunshine

The average sunshine in August in Graysville is 10.2h.

UV index

The month with the highest UV index is August, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: In August, a daily UV index of 7 turns into the following recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Boost your sun resistance with garments that are densely woven yet spacious.
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Frequently asked questions

How hot is it in Graysville in August?

In August, in Graysville, the average high-temperature is 90.1°F (32.3°C), and the average low-temperature is 71.1°F (21.7°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is estimated at 107.6°F (42°C).

What is the average humidity in August in Graysville?

The average relative humidity in August in Graysville is 72%.

How many days does it rain in August in Graysville?

In Graysville, Alabama, during August, the rain falls for 20.2 days and regularly aggregates up to 3.74" (95mm) of precipitation.

When it does not snow in Graysville?

April through October are months without snowfall.

How many hours of daylight does Graysville have in August?

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

When are sunrise and sunset in August in Graysville?

On the first day of August in Graysville, sunrise is at 6:00 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 7:14 pm CDT.

How long on average sun shines in August in Graysville?

In Graysville, Alabama, the average sunshine duration in August is 10.2h.

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

The month with the highest UV index in Graysville, Alabama, is August, with an average maximum UV index of 7.

What is the UV index intensity in August in Graysville?

In August, the average daily maximum UV index in Graysville is 7. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to Sun's UV rays.
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
Graysville, AL

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

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (50.9°F).

  • Average low temperature in August: 71.1°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).

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Average pressure in August
Graysville, AL

Average pressure in August - Graysville, 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).

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Average wind speed in August
Graysville, AL

Average wind speed in August - Graysville, 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
Graysville, AL

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

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

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Average rainfall in August
Graysville, AL

Average rainfall in August - Graysville, AL
  • Average rainfall in August: 3.74"

The wettest month (with the highest rainfall) is December (4.17").
The driest month (with the least rainfall) is October (2.24").

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Average rainfall days in August
Graysville, AL

Average rainfall days in August - Graysville, AL
  • Average rainfall days in August: 20.2 days

The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is November (9.6 days).

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Average snowfall in August
Graysville, AL

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

The month with the highest snowfall is January (0.79").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in August
Graysville, AL

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

The month with the highest number of snowfall days is February (1.4 days).
The 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
Graysville, AL

Average daylight in August / Average sunshine in August - Graysville, 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 1min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in August
Graysville, AL

Average sunshine days in August - Graysville, AL
  • Average sunshine days in August: 8.8 days

The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is July (7.5 days).

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Average UV index in August
Graysville, AL

Average UV index in August - Graysville, AL
  • Average UV index in August: 7

The month with the highest UV index is 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
Graysville, AL

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

The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June and September (Cloud cover 30).

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Average visibility in August
Graysville, AL

Average visibility in August - Graysville, 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).

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Graysville, Alabama, USA

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