August weather forecast
Bayou Vista, LA

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Weather in August

The last month of the summer, August, is another tropical month in Bayou Vista, Louisiana, with an average temperature varying between 88.9°F (31.6°C) and 77.2°F (25.1°C).

Temperature

As August takes hold, the average high-temperature is a still tropical 88.9°F (31.6°C), nearly mirroring that of the previous month. Throughout August, Bayou Vista witnesses a consistent average low-temperature of 77.2°F (25.1°C).

Heat index

August's heat index is computed to be a blisteringly hot 107.6°F (42°C). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.
Realize that the values for the heat index are set for shaded places and light winds. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is the outcome of merging air's temperature and its humidity metrics. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. Accumulating more heat than the body can dissipate leads to an uptick in body temperature, with potential heat stress consequences.

Humidity

The average relative humidity in August is 78%.

Rainfall

The month with the most rainfall in Bayou Vista is August, when the rain falls for 20 days and typically aggregates up to 2.48" (63mm) of precipitation.

Snowfall

In Bayou Vista, snow does not fall in February through December.

Daylight

In Bayou Vista, the average length of the day in August is 13h and 11min.
On the first day of the month, sunrise is at 6:25 am and sunset at 7:57 pm. On the last day of August, sunrise is at 6:42 am and sunset at 7:28 pm CDT.

Sunshine

In Bayou Vista, the average sunshine in August is 10.8h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index, 7 in August, converts into the following recommendations:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Updated: Jul 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is August?

During August, Bayou Vista experiences an average high-temperature of 88.9°F (31.6°C) and a low-temperature of 77.2°F (25.1°C). The average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, in August is computed to be 107.6°F (42°C).

What is the average humidity in August?

In August, the average relative humidity in Bayou Vista is 78%.

What is the wettest month?

August is the month with the most rainfall. Rain falls for 20 days and accumulates 2.48" (63mm) of precipitation.

How much does it rain in August?

In Bayou Vista, in August, during 20 rainfall days, 2.48" (63mm) of precipitation is typically accumulated.

When it does not snow?

In Bayou Vista, snow does not fall in February through December.

How many hours of daylight does Bayou Vista have in August?

In August, the average day length is 13h and 11min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:25 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 7:28 pm CDT.

How long on average sun shines in August?

In Bayou Vista, the average sunshine duration in August is 10.8h.

What are the months with the highest UV index?

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

What is the UV index intensity in August?

The average daily maximum UV index in August in Bayou Vista is 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.
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
Bayou Vista, LA

Average temperature in August - Bayou Vista, LA
  • Average high temperature in August: 88.9°F

The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (60.1°F).

  • Average low temperature in August: 77.2°F

The month with the highest average low temperature is August (77.2°F).
The coldest month (with the lowest average low temperature) is January (47.1°F).

Average pressure in August
Bayou Vista, LA

Average pressure in August - Bayou Vista, LA
  • Average pressure in August: 29.96"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 (29.96"Hg).

Average wind speed in August
Bayou Vista, LA

Average wind speed in August - Bayou Vista, LA
  • Average wind speed in August: 5.6mph

The windiest months (with the highest average wind speed) are February and April (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in August
Bayou Vista, LA

Average humidity in August - Bayou Vista, LA
  • Average humidity in August: 78%

The months with the highest relative humidity are February and December (79%).
The month with the lowest relative humidity is October (74%).

Average rainfall in August
Bayou Vista, LA

Average rainfall in August - Bayou Vista, LA
  • Average rainfall in August: 2.48"

The wettest month (with the highest rainfall) is August (2.48").
The driest month (with the least rainfall) is March (0.43").

Average rainfall days in August
Bayou Vista, LA

Average rainfall days in August - Bayou Vista, LA
  • Average rainfall days in August: 20 days

The month with the highest number of rainy days is August (20 days).
The month with the least rainy days is November (6 days).

Average snowfall days in August
Bayou Vista, LA

Average snowfall days in August - Bayou Vista, 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).

Average daylight in August /
Average sunshine in August
Bayou Vista, LA

Average daylight in August / Average sunshine in August - Bayou Vista, 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 5min

The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

Average sunshine days in August
Bayou Vista, LA

Average sunshine days in August - Bayou Vista, LA
  • Average sunshine days in August: 6.9 days

The month with the most sunshine days is November (23 days).
The month with the least sunshine days is August (6.9 days).

Average UV index in August
Bayou Vista, LA

Average UV index in August - Bayou Vista, 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).

Average cloud cover in August
Bayou Vista, LA

Average cloud cover in August - Bayou Vista, LA
  • Average cloud cover in August: 27

The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is October (Cloud cover 23).

Average visibility in August
Bayou Vista, LA

Average visibility in August - Bayou Vista, 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).

Bayou Vista, Louisiana, USA

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