July weather forecastZachary, LA
July
Weather in July
Zachary, Louisiana enters its hottest month in July. The summer sun shines predominately, casting long daylight hours. Coupled with the increase in humidity, the heat could be perceived as exceptionally intense. The high temperatures and humid conditions continue well into August. However, this period marks the peak of the summer heat, with average high temperatures reaching up to 91.9°F (33.3°C).Temperature
July is the warmest month, with an average high-temperature of 91.9°F (33.3°C) and an average low-temperature of 73.2°F (22.9°C).Heat index
In July, the average heat index is estimated at a burning hot 118.4°F (48°C). Warning: Heat cramps and heat exhaustion are anticipated. Heatstroke is a risk with ongoing activity.Heat index data is primarily for areas with shade and subjected to light winds. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', provides an understanding of perceived warmth by combining temperature and relative humidity. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. When there is abundant moisture in the air, the body's cooling through the evaporation process becomes less effective, leading to the sensation of overheating. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.
Humidity
In July, the average relative humidity is 78%.Rainfall
In July, the rain falls for 21.5 days. Throughout July, 3.58" (91mm) of precipitation is accumulated. Throughout the year, in Zachary, there are 175 rainfall days, and 28.74" (730mm) of precipitation is accumulated.Snowfall
February through November are months without snowfall.Daylight
In Zachary, the average length of the day in July is 13h and 54min.On the first day of July, sunrise is at 6:05 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 7:59 pm CDT.
Sunshine
In July, the average sunshine is 10h.UV index
The months with the highest UV index are May through July, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 7 during July translates into the following directions:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Zachary, LA
- Average high temperature in July: 91.9°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 July: 73.2°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 July
Zachary, LA
- Average pressure in July: 30"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 July
Zachary, LA
- Average wind speed in July: 4.3mph
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 July
Zachary, LA
- Average humidity in July: 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 July
Zachary, LA
- Average rainfall in July: 3.58"
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 July
Zachary, LA
- Average rainfall days in July: 21.5 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 July
Zachary, LA
- Average snowfall in July: 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 July
Zachary, LA
- Average snowfall days in July: 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 July /
Average sunshine in July
Zachary, LA
- Average daylight in July: 13h and 54min
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 July: 10h and 0min
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 July
Zachary, LA
- Average sunshine days in July: 6.8 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 July
Zachary, LA
- Average UV index in July: 7
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 July
Zachary, LA
- Average cloud cover in July: 36
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 July
Zachary, LA
- Average visibility in July: 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).
