July weather forecast
Gretna Green, LA

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Weather in July

July, the same as June, in Gretna Green, Louisiana, is another hot summer month, with temperature in the range of an average low of 72.9°F (22.7°C) and an average high of 91.2°F (32.9°C).

Temperature

July is the warmest month, with an average high-temperature of 91.2°F (32.9°C) and an average low-temperature of 72.9°F (22.7°C).

Heat index

July's average heat index is calculated to be a blazing hot 114.8°F (46°C). Be cautious: Heat exhaustion along with heat cramps are predicted. Heatstroke is a possible consequence of continuous physical effort.
The heat index's values are generally associated with conditions in shade and light breezes. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', measures the perceived warmth when incorporating the humidity present in the air. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. Elevated relative humidity diminishes evaporation, thereby reducing the body's ability to shed heat and creating a feeling of being too warm. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

The average relative humidity in July in Gretna Green, Louisiana, is 76%.

Rainfall

In Gretna Green, Louisiana, in July, it is raining for 15.2 days, with typically 3.23" (82mm) of accumulated precipitation. Throughout the year, in Gretna Green, there are 154.1 rainfall days, and 35.12" (892mm) of precipitation is accumulated.

Snowfall

In Gretna Green, snow does not fall in April through December.

Daylight

In July, the average length of the day is 13h and 59min.
On the first day of the month, sunrise is at 6:04 am and sunset at 8:15 pm. On the last day of July, sunrise is at 6:21 am and sunset at 8:03 pm CDT.

Sunshine

The average sunshine in July is 10.3h.

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 hazard from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 7 in July transforms into the following instructions:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month?

July tends to be the warmest month in Gretna Green, with temperatures averaging a daily high of 91.2°F (32.9°C) and a low of 72.9°F (22.7°C).

How hot is it in July?

The high-temperature during July is 91.2°F (32.9°C) and the low-temperature is 72.9°F (22.7°C). In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, is calculated to be 114.8°F (46°C).

What is the average humidity in July?

The average relative humidity in July in Gretna Green is 76%.

How much does it rain in July?

In Gretna Green, in July, it is raining for 15.2 days, with typically 3.23" (82mm) of accumulated precipitation.

When it does not snow?

In Gretna Green, snow does not fall in April through December.

What is the average length of the day in July?

In July, the average day length is 13h and 59min.

What time are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 6:04 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 8:03 pm CDT.

How long on average sun shines in July?

In July, the average sunshine duration is 10.3h.

What are the months with the highest UV index?

The months with the highest UV index are June through August, with an average maximum UV index of 7.

How high is the UV index in July?

In July, the average daily maximum UV index in Gretna Green is 7. A UV Index reading of 6 to 7 represents a high health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Gretna Green, LA

Average temperature in July - Gretna Green, LA
  • Average high temperature in July: 91.2°F

The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (55°F).

  • Average low temperature in July: 72.9°F

The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (40.3°F).

Average pressure in July
Gretna Green, LA

Average pressure in July - Gretna Green, LA
  • Average pressure in July: 29.99"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in July
Gretna Green, LA

Average wind speed in July - Gretna Green, LA
  • Average wind speed in July: 5.3mph

The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest months (with the lowest average wind speed) are July and September (5.3mph).

Average humidity in July
Gretna Green, LA

Average humidity in July - Gretna Green, LA
  • Average humidity in July: 76%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (69%).

Average rainfall in July
Gretna Green, LA

Average rainfall in July - Gretna Green, LA
  • Average rainfall in July: 3.23"

The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is November (2.13").

Average rainfall days in July
Gretna Green, LA

Average rainfall days in July - Gretna Green, LA
  • Average rainfall days in July: 15.2 days

The month with the highest number of rainy days is August (15.5 days).
The month with the least rainy days is October (8.5 days).

Average snowfall in July
Gretna Green, LA

Average snowfall in July - Gretna Green, LA
  • Average snowfall in July: 0"

The month with the highest snowfall is January (0.55").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").

Average snowfall days in July
Gretna Green, LA

Average snowfall days in July - Gretna Green, LA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).

Average daylight in July /
Average sunshine in July
Gretna Green, LA

Average daylight in July / Average sunshine in July - Gretna Green, LA
  • Average daylight in July: 14h and 0min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in July: 10h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

Average sunshine days in July
Gretna Green, LA

Average sunshine days in July - Gretna Green, LA
  • Average sunshine days in July: 14.2 days

The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is February (13.3 days).

Average UV index in July
Gretna Green, LA

Average UV index in July - Gretna Green, LA
  • Average UV index in July: 7

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in July
Gretna Green, LA

Average cloud cover in July - Gretna Green, LA
  • Average cloud cover in July: 32

The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June and October (Cloud cover 28).

Average visibility in July
Gretna Green, LA

Average visibility in July - Gretna Green, 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).

Gretna Green, Louisiana, USA

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