August weather forecast
Harahan, LA

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Weather in August

The last month of the summer, August, is also a hot month in Harahan, Louisiana, with an average temperature fluctuating between 77.9°F (25.5°C) and 88.7°F (31.5°C).

Temperature

Harahan's weather in August displays an average high-temperature of a still tropical 88.7°F (31.5°C), showing minor disparity from July's 89.2°F (31.8°C). Harahan in August anticipates an average nighttime temperature of 77.9°F (25.5°C).

Heat index

The heat index value for August is estimated at a blistering 105.8°F (41°C). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.
Research indicates the heat index considers values in shaded locales and with light winds. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.

Humidity

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

Rainfall

In Harahan, in August, during 24.2 rainfall days, 5.35" (136mm) of precipitation is typically accumulated. In Harahan, during the entire year, the rain falls for 179.5 days and collects up to 37.4" (950mm) of precipitation.

Snowfall

February through December are months without snowfall in Harahan, Louisiana.

Daylight

In Harahan, the average length of the day in August is 13h and 11min.
On the first day of the month, sunrise is at 6:20 am and sunset at 7:53 pm. On the last day of August, in Harahan, sunrise is at 6:37 am and sunset at 7:24 pm CDT.

Sunshine

In August, the average sunshine is 10.6h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In August, the UV index of 7 transforms into the following advice:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Stay sun-safe with clothing that is both closely woven and worn loosely.
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Frequently asked questions

How hot does it get in Harahan in August?

In Harahan, in August, the average high-temperature is 88.7°F (31.5°C), and the average low-temperature is 77.9°F (25.5°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 105.8°F (41°C).

What is the average humidity in August in Harahan?

The average relative humidity in August in Harahan, Louisiana, is 75%.

How many days does it rain in August in Harahan?

In Harahan, during August, the rain falls for 24.2 days and regularly aggregates up to 5.35" (136mm) of precipitation.

When it does not snow in Harahan?

February through December are months without snowfall in Harahan, Louisiana.

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

The average day length in August in Harahan is 13h and 11min.

When are sunrise and sunset in August in Harahan?

In August, on the first day of the month, sunrise is at 6:20 am and sunset at 7:53 pm. On the last day of the month, in Harahan, sunrise is at 6:37 am and sunset at 7:24 pm CDT.

How long on average sun shines in August in Harahan?

In Harahan, the average sunshine duration in August is 10.6h.

When is the highest UV index in Harahan?

May through September, with an average maximum UV index of 7, are months with the highest UV index in Harahan.

What is the UV index intensity in August in Harahan?

In August, the average daily maximum UV index in Harahan, Louisiana, is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from 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
Harahan, LA

Average temperature in August - Harahan, LA
  • Average high temperature in August: 88.7°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (60.3°F).

  • Average low temperature in August: 77.9°F

The month with the highest average low temperature is August (77.9°F).
The coldest month (with the lowest average low temperature) is January (47.7°F).

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Average pressure in August
Harahan, LA

Average pressure in August - Harahan, LA
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.97"Hg).

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Average wind speed in August
Harahan, LA

Average wind speed in August - Harahan, LA
  • Average wind speed in August: 6.3mph

The windiest months (with the highest average wind speed) are February and April (9.2mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).

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Average humidity in August
Harahan, LA

Average humidity in August - Harahan, LA
  • Average humidity in August: 75%

The months with the highest relative humidity are February and December (78%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in August
Harahan, LA

Average rainfall in August - Harahan, LA
  • Average rainfall in August: 5.35"

The wettest month (with the highest rainfall) is July (5.94").
The driest month (with the least rainfall) is November (1.65").

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Average rainfall days in August
Harahan, LA

Average rainfall days in August - Harahan, LA
  • Average rainfall days in August: 24.2 days

The month with the highest number of rainy days is August (24.2 days).
The month with the least rainy days is November (8.3 days).

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Average snowfall in August
Harahan, LA

Average snowfall in August - Harahan, LA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in August
Harahan, LA

Average snowfall days in August - Harahan, LA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in August /
Average sunshine in August
Harahan, LA

Average daylight in August / Average sunshine in August - Harahan, LA
  • Average daylight in August: 13h and 1min

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

  • Average sunshine in August: 10h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

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Average sunshine days in August
Harahan, LA

Average sunshine days in August - Harahan, LA
  • Average sunshine days in August: 5.3 days

The month with the most sunshine days is November (20.5 days).
The months with the least sunshine days are July and August (5.3 days).

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Average UV index in August
Harahan, LA

Average UV index in August - Harahan, LA
  • Average UV index in August: 7

The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, November and December (UV index 4).

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Average cloud cover in August
Harahan, LA

Average cloud cover in August - Harahan, LA
  • Average cloud cover in August: 28

The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is October (Cloud cover 25).

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Average visibility in August
Harahan, LA

Average visibility in August - Harahan, LA
  • 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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Harahan, Louisiana, USA

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