July weather forecast
Gretna Green, LA

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Weather in July

July, like June, is another hot summer month in Gretna Green, Louisiana, 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, with an average high of 91.2°F (32.9°C) and a low of 72.9°F (22.7°C), signifies the warmest month of the year.

Heat index

The average heat index in July is appraised at a life-threatening hot 114.8°F (46°C). Forewarned: Heat cramps and heat exhaustion are anticipated. Ongoing physical activity increases the likelihood of heatstroke.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', gives a temperature feeling by integrating air temperature and humidity. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.

Humidity

In July, the average relative humidity in Gretna Green is 76%.

Rainfall

In Gretna Green, during July, the rain falls for 15.2 days and regularly aggregates up to 3.23" (82mm) of precipitation. Throughout the year, in Gretna Green, there are 154.1 rainfall days, and 35.12" (892mm) of precipitation is accumulated.

Snowfall

April through December are months without snowfall in Gretna Green.

Daylight

The average length of the day in July 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 in Gretna Green 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 estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily high UV index of 7 in July translates into this advice:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
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Frequently asked questions

What time of the year is the hottest in Gretna Green?

Gretna Green's warmest weather arrives in July, when temperatures average a high of 91.2°F (32.9°C) and a low of 72.9°F (22.7°C).

How hot does it get in Gretna Green in July?

July temperatures vary between a high-temperature of 91.2°F (32.9°C) and a low-temperature of 72.9°F (22.7°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, in July is appraised at 114.8°F (46°C).

What is the average humidity in July in Gretna Green?

In Gretna Green, the average relative humidity in July is 76%.

How many days does it rain in July in Gretna Green?

In Gretna Green, during July, the rain falls for 15.2 days and regularly aggregates up to 3.23" (82mm) of precipitation.

When it does not snow in Gretna Green?

April through December are months without snowfall in Gretna Green.

What is the average length of the day in July in Gretna Green?

In Gretna Green, Louisiana, the average day length in July is 13h and 59min.

What time are sunrise and sunset in July in Gretna Green?

On the first day of July in Gretna Green, 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 Gretna Green?

In July, the average sunshine duration is 10.3h.

What are the months with the highest UV index in Gretna Green?

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

What is the UV index reading in July in Gretna Green?

The average daily maximum UV index in July in Gretna Green is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.
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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Gretna Green, Louisiana, USA

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