November weather forecastGrand Isle, LA
November
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
The arrival of November suggests a slight decrease in the average high-temperature, moving from a moderately hot 78.3°F (25.7°C) in October to an agreeable 69.8°F (21°C). The nights of November cool down to an average low of 61.7°F (16.5°C), subtly lower than daytime highs.Humidity
The average relative humidity in November is 73%.Rainfall
In Grand Isle, during November, the rain falls for 7.5 days and regularly aggregates up to 1.38" (35mm) of precipitation. In Grand Isle, during the entire year, the rain falls for 151.9 days and collects up to 22.01" (559mm) of precipitation.Snowfall
In Grand Isle, snow does not fall in February through December.Ocean temperature
In November, the average ocean temperature is 71.4°F (21.9°C).Note: A majority do not enjoy swimming in water at 71.4°F (21.9°C). The difficulty in controlling breathing increases progressively as the temperature dips below 69.8°F (21°C).
Daylight
In Grand Isle, Louisiana, 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, 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
In Grand Isle, the average sunshine in November is 6.3h.UV index
In November, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 5 in November converts into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Boost your sun resistance with garments that are densely woven yet spacious. Heads up! UV intensity is amplified by reflections from water and sand.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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).
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).
Average daylight in November /
Average sunshine in November
Grand Isle, LA
- Average daylight in November: 10h and 42min
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 18min
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).
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).
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).
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).
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).
