August weather forecast
Big Island, LA

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Weather in August

The last month of the summer, August, is another tropical month in Big Island, Louisiana, with an average temperature varying between 73°F (22.8°C) and 92.5°F (33.6°C).

Temperature

The advent of August presents an average high-temperature of a still hot 92.5°F (33.6°C), maintaining a close correlation with the preceding month. Throughout August nights, Big Island registers an average low-temperature of 73°F (22.8°C).

Heat index

The heat index for August is computed to be a life-threatening hot 118.4°F (48°C). Prudent: Heat cramps and heat exhaustion are likely. Heatstroke becomes imminent with sustained exertion.
Given the heat index, its values are aligned with shaded sites and gentle winds. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. An upsurge in relative humidity affects normal body cooling mechanisms by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

In Big Island, the average relative humidity in August is 76%.

Rainfall

The month with the most rainfall is August, when the rain falls for 17.7 days and typically aggregates up to 2.95" (75mm) of precipitation.

Snowfall

April through November are months without snowfall.

Daylight

In Big Island, the average length of the day in August is 13h and 16min.
On the first day of August, sunrise is at 6:25 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 7:33 pm CDT.

Sunshine

In August, the average sunshine is 9.9h.

UV index

June through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 7 during August, leads to the following recommendations:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.

Frequently asked questions

How hot does it get in August?

In August, in Big Island, the average high-temperature is 92.5°F (33.6°C), and the average low-temperature is 73°F (22.8°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 118.4°F (48°C).

What is the average humidity in August?

The average relative humidity in August in Big Island is 76%.

What is the wettest month?

The month with the most rainfall is August, when the rain falls for 17.7 days and typically aggregates up to 2.95" (75mm) of precipitation.

How much does it rain in August?

In August, the rain falls for 17.7 days. Throughout August, 2.95" (75mm) of precipitation is accumulated.

When it does not snow?

April through November are months without snowfall.

What is the average length of the day in August?

In August, the average day length is 13h and 16min.

When are sunrise and sunset in August in Big Island?

On the first day of August in Big Island, sunrise is at 6:25 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 7:33 pm CDT.

How long on average sun shines in August in Big Island?

The average sunshine duration in August is 9.9h.

When is the highest UV index?

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

What is the UV index intensity in August?

In August, the average daily maximum UV index 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
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Big Island, LA

Average temperature in August - Big Island, LA
  • Average high temperature in August: 92.5°F

The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is January (56.1°F).

  • Average low temperature in August: 73°F

The months with the highest average low temperature are July and August (73°F).
The coldest month (with the lowest average low temperature) is January (40.5°F).

Average pressure in August
Big Island, LA

Average pressure in August - Big Island, LA
  • Average pressure in August: 29.95"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.95"Hg).

Average wind speed in August
Big Island, LA

Average wind speed in August - Big Island, LA
  • Average wind speed in August: 4.9mph

The windiest month (with the highest average wind speed) is February (7.1mph).
The calmest month (with the lowest average wind speed) is July (4.8mph).

Average humidity in August
Big Island, LA

Average humidity in August - Big Island, LA
  • Average humidity in August: 76%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (71%).

Average rainfall in August
Big Island, LA

Average rainfall in August - Big Island, LA
  • Average rainfall in August: 2.95"

The wettest month (with the highest rainfall) is August (2.95").
The driest month (with the least rainfall) is November (1.22").

Average rainfall days in August
Big Island, LA

Average rainfall days in August - Big Island, LA
  • Average rainfall days in August: 17.7 days

The month with the highest number of rainy days is August (17.7 days).
The month with the least rainy days is November (8.5 days).

Average snowfall in August
Big Island, LA

Average snowfall in August - Big Island, LA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (0.55").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in August
Big Island, LA

Average snowfall days in August - Big Island, LA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
Big Island, LA

Average daylight in August / Average sunshine in August - Big Island, LA
  • Average daylight in August: 13h and 2min

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

  • Average sunshine in August: 9h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

Average sunshine days in August
Big Island, LA

Average sunshine days in August - Big Island, LA
  • Average sunshine days in August: 10.1 days

The month with the most sunshine days is October (20.9 days).
The month with the least sunshine days is August (10.1 days).

Average UV index in August
Big Island, LA

Average UV index in August - Big Island, LA
  • Average UV index in August: 7

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

Average cloud cover in August
Big Island, LA

Average cloud cover in August - Big Island, LA
  • Average cloud cover in August: 33

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 29).

Average visibility in August
Big Island, LA

Average visibility in August - Big Island, LA
  • Average visibility in August: 5mi

The months with the highest visibility are January, February, March, June, October, November and December (6mi).
The months with the lowest visibility are April, May, July, August and September (5mi).

Big Island, Louisiana, USA

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