August weather forecastChalmette, LA
August
Weather in August
August, the last month of the summer in Chalmette, is another hot month, with an average temperature fluctuating between 79.7°F (26.5°C) and 89.2°F (31.8°C).Temperature
Chalmette witnesses its highest temperatures in July and August, reaching an average of 89.2°F (31.8°C).Heat index
Throughout August, the heat index is evaluated at a blisteringly hot 105.8°F (41°C). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.Heat index guidelines indicate values are for light wind scenarios and shaded regions. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', integrates the air's temperature and its humidity to showcase the felt temperature by people. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.
Humidity
In August, the average relative humidity is 72%.Rainfall
The month with the most rainfall is August, when the rain falls for 20.9 days and typically aggregates up to 2.87" (73mm) of precipitation.Snowfall
In Chalmette, snow does not fall in February through November.Daylight
In Chalmette, the average length of the day in August is 13h and 11min.On the first day of August, sunrise is at 6:19 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 7:23 pm CDT.
Sunshine
In August, the average sunshine is 10.7h.UV index
May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The daily maximum UV index of 7 in August interprets into the following advice:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Chalmette, LA
- Average high temperature in August: 89.2°F
The warmest months (with the highest average high temperature) are July and August (89.2°F).
The month with the lowest average high temperature is January (60.3°F).
- Average low temperature in August: 79.7°F
The month with the highest average low temperature is August (79.7°F).
The coldest month (with the lowest average low temperature) is January (48.9°F).
Average pressure in August
Chalmette, 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).
Average wind speed in August
Chalmette, LA
- Average wind speed in August: 7mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in August
Chalmette, LA
- Average humidity in August: 72%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is October (70%).
Average rainfall in August
Chalmette, LA
- Average rainfall in August: 2.87"
The wettest month (with the highest rainfall) is August (2.87").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in August
Chalmette, LA
- Average rainfall days in August: 20.9 days
The month with the highest number of rainy days is August (20.9 days).
The month with the least rainy days is November (5.6 days).
Average snowfall days in August
Chalmette, LA
- Average snowfall days in August: 0 days
The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in August /
Average sunshine in August
Chalmette, LA
- Average daylight in August: 13h and 12min
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 42min
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 6min).
Average sunshine days in August
Chalmette, LA
- Average sunshine days in August: 7 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is August (7 days).
Average UV index in August
Chalmette, 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 month with the lowest UV index is December (UV index 3).
Average cloud cover in August
Chalmette, LA
- Average cloud cover in August: 28
The month with the most cloud cover is December (Cloud cover 44).
The month with the least cloud cover is October (Cloud cover 24).
Average visibility in August
Chalmette, 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).





