August weather forecast
Lafayette, LA

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A monument and trees in the tranquil Lafayette Square, Louisiana
A monument and trees in the tranquil Lafayette Square, Louisiana

Weather in August

August amplifies the summer conditions as it might turn out to be the hottest month, despite temperatures being between 74.8°F (23.8°C) and 90°F (32.2°C), similar to July. Combining the peak heat with the highest levels of rainfall and humidity, it is the epitome of a typical Louisiana summer. Subsequently, August also witnesses the year's most abundant rainy days evidencing Louisiana's infamous summer showers. If one plans to experience the intense yet exhilarating summers of Lafayette, August is the month to choose.

Temperature

Lafayette registers the highest average temperatures during the month of August, with peaks of 90°F (32.2°C) and lows of 74.8°F (23.8°C).

Heat index

For most parts of August, the heat index is computed to be a blazing hot 113°F (45°C). Watchful: Heat cramps and heat exhaustion are predicted. Continued exertion could lead to heatstroke.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', arises from combining readings of air temperature and relative moisture content. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.

Humidity

In August, the average relative humidity in Lafayette is 80%.

Rainfall

August is the month with the most rainfall. Rain falls for 20 days and accumulates 2.8" (71mm) of precipitation.

Snowfall

February through December are months without snowfall in Lafayette.

Daylight

The average length of the day in August is 13h and 12min.
On the first day of August, sunrise is at 6:27 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 7:31 pm CDT.

Sunshine

The average sunshine in August is 10.1h.

UV index

The months with the highest UV index in Lafayette, Louisiana, are May through August, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: During August, 7 as the daily maximum UV index converts into the following advice:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
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Frequently asked questions

What are the warmest months in Lafayette?

August, having an average high-temperature of 90°F (32.2°C) and an average low-temperature of 74.8°F (23.8°C), is the warmest month in Lafayette.

How hot is it in Lafayette in August?

The average high-temperature and low-temperature in Lafayette during August are 90°F (32.2°C) and 74.8°F (23.8°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is computed to be 113°F (45°C).

What is the average humidity in August in Lafayette?

In Lafayette, the average relative humidity in August is 80%.

What is the wettest month in Lafayette?

The month with the most rainfall is August, when the rain falls for 20 days and typically aggregates up to 2.8" (71mm) of precipitation.

How much does it rain in Lafayette in August?

In Lafayette, in August, it is raining for 20 days, with typically 2.8" (71mm) of accumulated precipitation.

When it does not snow in Lafayette?

February through December are months without snowfall in Lafayette.

How many hours of daylight does Lafayette have in August?

In Lafayette, the average day length in August is 13h and 12min.

When is the sunrise / sunset in August in Lafayette?

In August, on the first day of the month, sunrise is at 6:27 am and sunset at 8:01 pm. On the last day of the month, in Lafayette, Louisiana, sunrise is at 6:44 am and sunset at 7:31 pm CDT.

How long on average sun shines in August in Lafayette?

In August, the average sunshine duration is 10.1h.

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

The months with the highest UV index are May through August, with an average maximum UV index of 7.

What is the UV index reading in August in Lafayette?

In August, the average daily maximum UV index in Lafayette is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Lafayette, LA

Average temperature in August - Lafayette, LA
  • Average high temperature in August: 90°F

The warmest month (with the highest average high temperature) is August (90°F).
The month with the lowest average high temperature is January (58.8°F).

  • Average low temperature in August: 74.8°F

The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).

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Average pressure in August
Lafayette, LA

Average pressure in August - Lafayette, LA
  • Average pressure in August: 29.96"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in August
Lafayette, LA

Average wind speed in August - Lafayette, LA
  • Average wind speed in August: 5.3mph

The windiest month (with the highest average wind speed) is February (8.2mph).
The calmest months (with the lowest average wind speed) are July, August and September (5.3mph).

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Average humidity in August
Lafayette, LA

Average humidity in August - Lafayette, LA
  • Average humidity in August: 80%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in August
Lafayette, LA

Average rainfall in August - Lafayette, LA
  • Average rainfall in August: 2.8"

The wettest month (with the highest rainfall) is August (2.8").
The driest month (with the least rainfall) is March (0.83").

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Average rainfall days in August
Lafayette, LA

Average rainfall days in August - Lafayette, LA
  • Average rainfall days in August: 20 days

The month with the highest number of rainy days is August (20 days).
The months with the least rainy days are January and November (7.8 days).

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Average snowfall days in August
Lafayette, LA

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

The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

  • 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 December (Average sunshine: 5h and 0min).

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Average sunshine days in August
Lafayette, LA

Average sunshine days in August - Lafayette, LA
  • Average sunshine days in August: 8 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is August (8 days).

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Average UV index in August
Lafayette, LA

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

The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in August
Lafayette, LA

Average cloud cover in August - Lafayette, LA
  • Average cloud cover in August: 30

The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 25).

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Average visibility in August
Lafayette, LA

Average visibility in August - Lafayette, 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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Lafayette, Louisiana, USA

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