August weather forecast
Opelousas, LA

August in Opelousas, Louisiana, maintains the sizzling summertime conditions of July, keeping the air conditioners and fans running at a maximum. The city's weather is characterized by long, hot, and balmy days, which result in an increased need for light clothing and hydration. Cementing its summertime conditions, August receives equal rainfall as July, making it one of the months with the highest rainfall at 1.57" (40mm). As locals await the much-needed respite from the heat in the coming months, they savor the last few bouts of summer fun under the sultry August sun.

Temperature

The transition into August shows a subtle variation to a still hot 90.1°F (32.3°C) from July's 90.3°F (32.4°C) in the average high-temperature. Opelousas reports an average nighttime low-temperature of 73.8°F (23.2°C) in August.

Heat index

The heat index value for August is computed to be a life-threatening hot 113°F (45°C). Remain alert: Heat exhaustion and heat cramps are predicted. Extended effort can lead to heatstroke.
Heat index readings emphasize conditions of light breezes and shaded spots. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. With an abundance of moisture present in the air, the process of evaporation becomes less effective, and the body fails to cool down as it should, leading to the sensation of overheating. 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 80%.

Rainfall

The months with the most rainfall are July and August, with an average 1.57" (40mm) of precipitation.

Snowfall

In Opelousas, snow does not fall in February through November.

Daylight

In August, the average length of the day is 13h and 13min.
On the first day of the month, sunrise is at 6:26 am and sunset at 8:02 pm. On the last day of August, sunrise is at 6:44 am and sunset at 7:32 pm CDT.

Sunshine

The average sunshine in August is 9.7h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In August, an average UV index of 7 transforms into the following instructions:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat.