August weather forecastZachary, LA
August
Weather in August
Remaining in the grip of summer, August continues the trend of high temperatures in Zachary, Louisiana. Cloud coverage starts to recede compared to the previous month, slightly reducing the humidity levels. Concurrently, rainfall occurs more frequently cooling the environment. September ushers in a downward trend in temperatures, marking the end of the summer heat. Yet, August competes closely with July, registering high temperatures peaking at 91.8°F (33.2°C).Temperature
Zachary commences August with an average high-temperature of a still hot 91.8°F (33.2°C), maintaining a close resemblance to the previous month. An average nighttime temperature of 73.4°F (23°C) is recorded during August.Heat index
In August, the heat index is estimated at a blazing hot 118.4°F (48°C). Careful: Heat exhaustion and heat cramps are anticipated. With ongoing exertion, heatstroke becomes a possibility.Note that heat index values are valued for light wind and location in the shade. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. In high relative humidity, the body's ability to evaporate heat is diminished, resulting in a heightened feeling of warmth. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
In Zachary, the average relative humidity in August is 78%.Rainfall
The month with the most rainfall is August, when the rain falls for 22.3 days and typically aggregates up to 3.66" (93mm) of precipitation.Snowfall
February through November are months without snowfall.Daylight
In August, the average length of the day is 13h and 13min.On the first day of August in Zachary, sunrise is at 6:22 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 7:28 pm CDT.
Sunshine
The average sunshine in August is 9.9h.UV index
The average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A daily high UV index of 6 in August leads to these guidelines:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Zachary, LA
- Average high temperature in August: 91.8°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (58.3°F).
- Average low temperature in August: 73.4°F
The month with the highest average low temperature is August (73.4°F).
The coldest month (with the lowest average low temperature) is January (41.9°F).
Average pressure in August
Zachary, LA
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.96"Hg).
Average wind speed in August
Zachary, LA
- Average wind speed in August: 4.4mph
The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is July (4.3mph).
Average humidity in August
Zachary, LA
- Average humidity in August: 78%
The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in August
Zachary, LA
- Average rainfall in August: 3.66"
The wettest month (with the highest rainfall) is August (3.66").
The driest month (with the least rainfall) is November (1.5").
Average rainfall days in August
Zachary, LA
- Average rainfall days in August: 22.3 days
The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in August
Zachary, LA
- Average snowfall in August: 0"
The months with the highest snowfall are January and December (0.2").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in August
Zachary, LA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in August /
Average sunshine in August
Zachary, LA
- Average daylight in August: 13h and 12min
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: 9h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in August
Zachary, LA
- Average sunshine days in August: 7.1 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (6.8 days).
Average UV index in August
Zachary, LA
- Average UV index in August: 6
The months with the highest UV index are May, June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in August
Zachary, LA
- Average cloud cover in August: 34
The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in August
Zachary, LA
- Average visibility in August: 5mi
The months with the highest visibility are October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September and December (5mi).
