Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
July proves to be the warmest month, recording an average peak temperature of 89.6°F (32°C) and a minimum temperature of 77°F (25°C).Heat index
During July, the heat index is evaluated at an extremely hot 109.4°F (43°C). Keep wary: Heat cramps along with heat exhaustion are expected. Heatstroke is a possible outcome of ongoing activity.It is crucial to understand that heat index figures are for shade and gentle wind conditions. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Normally, the human body cools itself through perspiration, which removes excessive heat by evaporating sweat. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.
Humidity
The average relative humidity in July is 77%.Rainfall
July is the month with the most rainfall. Rain falls for 22.9 days and accumulates 5.39" (137mm) of precipitation.Snowfall
February through November are months without snowfall.Daylight
In Destrehan, the average length of the day in July is 13h and 51min.On the first day of July, sunrise is at 6:04 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 7:55 pm CDT.
Sunshine
In Destrehan, the average sunshine in July is 10.6h.UV index
May through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.Note: In July, the maximum UV index of 7 translates into these guidelines:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. 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. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the warmest month?
How hot does it get in July?
What is the average humidity in July?
What is the rainiest month?
How many days does it rain in July?
When it does not snow?
What is the average length of the day in July?
When are sunrise and sunset in July?
How long on average sun shines in July?
What is the month with the highest UV index?
How high is the UV index in July?
Average temperature in July
Destrehan, LA
- Average high temperature in July: 89.6°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (60.4°F).
- Average low temperature in July: 77°F
The month with the highest average low temperature is August (77.5°F).
The coldest month (with the lowest average low temperature) is January (47.3°F).
Average pressure in July
Destrehan, LA
- Average pressure in July: 30.01"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 July
Destrehan, LA
- Average wind speed in July: 5.8mph
The windiest months (with the highest average wind speed) are February and April (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in July
Destrehan, LA
- Average humidity in July: 77%
The months with the highest relative humidity are February and December (78%).
The month with the lowest relative humidity is October (72%).
Average rainfall in July
Destrehan, LA
- Average rainfall in July: 5.39"
The wettest month (with the highest rainfall) is July (5.39").
The driest month (with the least rainfall) is November (1.5").
Average rainfall days in July
Destrehan, LA
- Average rainfall days in July: 22.9 days
The month with the highest number of rainy days is August (23.7 days).
The month with the least rainy days is November (8.4 days).
Average snowfall days in July
Destrehan, LA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (0.2 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 July /
Average sunshine in July
Destrehan, LA
- Average daylight in July: 13h and 5min
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 July: 10h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in July
Destrehan, LA
- Average sunshine days in July: 5.5 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is August (4.8 days).
Average UV index in July
Destrehan, LA
- Average UV index in July: 7
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in July
Destrehan, LA
- Average cloud cover in July: 29
The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is October (Cloud cover 24).
Average visibility in July
Destrehan, LA
- Average visibility in July: 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).
Destrehan, Louisiana, USA
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