August weather forecast
Harrisburg, AL

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Weather in August

The last month of the summer, August, is another tropical month in Harrisburg, Alabama, with temperature in the range of an average low of 69.4°F (20.8°C) and an average high of 89.2°F (31.8°C).

Temperature

During August, Harrisburg records an average high-temperature of a still hot 89.2°F (31.8°C), marking a slight divergence from July's 90.1°F (32.3°C). Harrisburg experiences an average low-temperature of 69.4°F (20.8°C) in month of August.

Heat index

In August, the average heat index is appraised at a scorching 107.6°F (42°C). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', joins air temperature with relative humidity to produce a temperature perception for humans. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

In August, the average relative humidity is 75%.

Rainfall

The month with the most rainfall is August, when the rain falls for 21.1 days and typically aggregates up to 4.06" (103mm) of precipitation.

Snowfall

In Harrisburg, snow does not fall in March through November.

Daylight

In Harrisburg, the average length of the day in August is 13h and 22min.
On the first day of August, sunrise is at 5:57 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 7:11 pm CDT.

Sunshine

In August, the average sunshine is 10h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 6 during August translates into these guidelines:
Shield from overexposure. Defense against sun-related harm is required. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Frequently asked questions

Is it hot in Harrisburg during August?

The high-temperature during August is 89.2°F (31.8°C) and the low-temperature is 69.4°F (20.8°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, is appraised at 107.6°F (42°C).

What is the average humidity in August?

In Harrisburg, Alabama, the average relative humidity in August is 75%.

What is the wettest month in Harrisburg?

The month with the most rainfall is August, when the rain falls for 21.1 days and typically aggregates up to 4.06" (103mm) of precipitation.

How much does it rain in August?

In Harrisburg, during August, the rain falls for 21.1 days and regularly aggregates up to 4.06" (103mm) of precipitation.

When it does not snow in Harrisburg?

In Harrisburg, snow does not fall in March through November.

How many hours of daylight does Harrisburg have in August?

In Harrisburg, the average day length in August is 13h and 22min.

When is the sunrise / sunset in August?

On the first day of August in Harrisburg, Alabama, sunrise is at 5:57 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 7:11 pm CDT.

How long on average sun shines in August?

In Harrisburg, the average sunshine duration in August is 10h.

What is the month with the highest UV index?

May through August, with an average maximum UV index of 6, are months with the highest UV index.

How high is the UV index in August?

The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health risk 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
Harrisburg, AL

Average temperature in August - Harrisburg, AL
  • Average high temperature in August: 89.2°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (50.9°F).

  • Average low temperature in August: 69.4°F

The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (35.1°F).

Average pressure in August
Harrisburg, AL

Average pressure in August - Harrisburg, AL
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in August
Harrisburg, AL

Average wind speed in August - Harrisburg, AL
  • Average wind speed in August: 4.2mph

The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).

Average humidity in August
Harrisburg, AL

Average humidity in August - Harrisburg, AL
  • Average humidity in August: 75%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (72%).

Average rainfall in August
Harrisburg, AL

Average rainfall in August - Harrisburg, AL
  • Average rainfall in August: 4.06"

The wettest month (with the highest rainfall) is August (4.06").
The driest month (with the least rainfall) is October (2.32").

Average rainfall days in August
Harrisburg, AL

Average rainfall days in August - Harrisburg, AL
  • Average rainfall days in August: 21.1 days

The month with the highest number of rainy days is July (22.4 days).
The month with the least rainy days is November (9.2 days).

Average snowfall in August
Harrisburg, AL

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

The month with the highest snowfall is January (0.91").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

Average snowfall days in August
Harrisburg, AL

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

The month with the highest number of snowfall days is February (1.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in August / Average sunshine in August - Harrisburg, 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 0min

The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in August
Harrisburg, AL

Average sunshine days in August - Harrisburg, AL
  • Average sunshine days in August: 7.5 days

The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (6.2 days).

Average UV index in August
Harrisburg, AL

Average UV index in August - Harrisburg, AL
  • Average UV index in August: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in August
Harrisburg, AL

Average cloud cover in August - Harrisburg, AL
  • Average cloud cover in August: 33

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is September (Cloud cover 30).

Average visibility in August
Harrisburg, AL

Average visibility in August - Harrisburg, 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).

Harrisburg, Alabama, USA

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