November weather forecast
Grand Isle, LA

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The scenic Grand Isle, Louisiana, with a view of the numerous houses and the extended piers onto the calm seawater
The scenic Grand Isle, Louisiana, with a view of the numerous houses and the extended piers onto the calm seawater

Weather in November

The weather in Grand Isle in November mirrors the larger weather trends of Louisiana in late autumn. The sun takes a backseat with temperatures cooling down to a high of 69.8°F (21°C), bolstered by comparably less humidity. Rainfall further cuts down, making days drier and cooler, more synonymous with the rest of Louisiana's weather pattern. Against a backdrop of relatively lower temperatures, outdoor activities indeed become more enjoyable. Experiencing Grand Isle's weather in November could be likened to enjoying a quiet and crisp autumn evening in any picturesque American town.

Temperature

Grand Isle's progression into November involves a gentle drop in the average high-temperature, from a warm 78.3°F (25.7°C) in October to an agreeable 69.8°F (21°C). Grand Isle in November experiences a minor decline in temperature, with an average low of 61.7°F (16.5°C) at night.

Humidity

In November, the average relative humidity is 73%.

Rainfall

In November, the rain falls for 7.5 days. Throughout November, 1.38" (35mm) of precipitation is accumulated. Throughout the year, there are 151.9 rainfall days, and 22.01" (559mm) of precipitation is accumulated.

Snowfall

In Grand Isle, snow does not fall in February through December.

Ocean temperature

In Grand Isle, the average seawater temperature in November is 71.4°F (21.9°C).
Note: Swimming in water at 71.4°F (21.9°C) is not a pleasing experience for the majority. As the temperature descends from 69.8°F (21°C) to 59°F (15°C), controlling breathing becomes increasingly hard.

Daylight

The average length of the day in November is 10h and 42min.
On the first day of the month, sunrise is at 7:13 am and sunset at 6:13 pm CDT. On the last day of November, in Grand Isle, Louisiana, sunrise is at 6:36 am and sunset at 5:01 pm CST.
Note: On Sunday, November 3. 2024, at 2:00 am, Daylight Saving Time ends, and the time zone changes from CDT to CST. Daylight Saving Time starts again on Sunday, March 9. 2025, at 2:00 am; consequently, the time zone reverts from CST to CDT.

Sunshine

The average sunshine in November in Grand Isle is 6.3h.

UV index

In November, the average daily maximum UV index in Grand Isle is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index of 5 during November leads to these instructions:
Be vigilant - Preventing sunburn is recommended. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Take note! The UV strength of the Sun elevates when reflected off water and sand.
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Frequently asked questions

What are the temperatures in Grand Isle in November?

In Grand Isle, 69.8°F (21°C) is the average high-temperature and 61.7°F (16.5°C) is the average low-temperature during November. In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 93.2°F (34°C).

What is the average humidity in November in Grand Isle?

In November, the average relative humidity is 73%.

How many days does it rain in November in Grand Isle?

In Grand Isle, in November, it is raining for 7.5 days, with typically 1.38" (35mm) of accumulated precipitation.

When it does not snow in Grand Isle?

February through December are months without snowfall in Grand Isle.

What is the ocean temperature in November in Grand Isle?

In Grand Isle, Louisiana, in November, the average water temperature is 71.4°F (21.9°C). For swimming, a surface water temperature of 71.4°F (21.9°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

How many hours of daylight does Grand Isle have in November?

In November, the average day length is 10h and 42min.

When is the sunrise / sunset in November in Grand Isle?

In November, on the first day of the month, sunrise is at 7:13 am and sunset at 6:13 pm CDT. On the last day of the month, in Grand Isle, Louisiana, sunrise is at 6:36 am and sunset at 5:01 pm CST.

When does Daylight Saving Time (DST) end in November in Grand Isle?

On Sunday, November 3. 2024, at 2:00 am, Daylight Saving Time ends in Grand Isle, and the time zone changes from CDT to CST. The next DST starts Sunday, March 9. 2025, at 2:00 am.

How many hours of sunshine does Grand Isle have in November?

The average sunshine duration in November in Grand Isle, Louisiana, is 6.3h.

What is the UV index reading in November in Grand Isle?

In Grand Isle, Louisiana, the average daily maximum UV index in November is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in November
Grand Isle, LA

Average temperature in November - Grand Isle, LA
  • Average high temperature in November: 69.8°F

The warmest months (with the highest average high temperature) are July and August (86.9°F).
The month with the lowest average high temperature is January (61.7°F).

  • Average low temperature in November: 61.7°F

The month with the highest average low temperature is August (81.3°F).
The coldest month (with the lowest average low temperature) is January (53.1°F).

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Average pressure in November
Grand Isle, LA

Average pressure in November - Grand Isle, LA
  • Average pressure in November: 30.11"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).

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Average wind speed in November
Grand Isle, LA

Average wind speed in November - Grand Isle, LA
  • Average wind speed in November: 11.8mph

The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (8mph).

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Average humidity in November
Grand Isle, LA

Average humidity in November - Grand Isle, LA
  • Average humidity in November: 73%

The months with the highest relative humidity are February and December (78%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in November
Grand Isle, LA

Average rainfall in November - Grand Isle, LA
  • Average rainfall in November: 1.38"

The wettest month (with the highest rainfall) is August (4.72").
The driest months (with the least rainfall) are February and April (0.87").

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Average rainfall days in November
Grand Isle, LA

Average rainfall days in November - Grand Isle, LA
  • Average rainfall days in November: 7.5 days

The month with the highest number of rainy days is August (20.7 days).
The month with the least rainy days is November (7.5 days).

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Average snowfall days in November
Grand Isle, LA

Average snowfall days in November - Grand Isle, LA
  • Average snowfall days in November: 0 days

The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

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Average sea temperature in November
Grand Isle, LA

Average sea temperature in November - Grand Isle, LA
  • Average sea temperature in November: 71.4°F

The best month for swimming (with the highest average sea temperature) is August (87.5°F).
The coldest month (with the lowest average sea temperature) is January (61.4°F).

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Average daylight in November /
Average sunshine in November
Grand Isle, LA

Average daylight in November / Average sunshine in November - Grand Isle, LA
  • Average daylight in November: 10h and 4min

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 November: 6h and 2min

The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

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Average sunshine days in November
Grand Isle, LA

Average sunshine days in November - Grand Isle, LA
  • Average sunshine days in November: 19.5 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is August (6.5 days).

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Average UV index in November
Grand Isle, LA

Average UV index in November - Grand Isle, LA
  • Average UV index in November: 5

The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 4).

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Average cloud cover in November
Grand Isle, LA

Average cloud cover in November - Grand Isle, LA
  • Average cloud cover in November: 31

The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is May (Cloud cover 23).

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Average visibility in November
Grand Isle, LA

Average visibility in November - Grand Isle, LA
  • Average visibility in November: 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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Grand Isle, Louisiana, USA

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