Grand Isle Weather in November

What's the weather like in Grand Isle (Louisiana) in November 2025?

The climate in Grand Isle during November can be summarized as mild and a little damp.

November is in the fall / autumn in Grand Isle and is typically the 5th coldest month of the year. Daytime maximum temperatures average around 22°C (72°F), whilst at night 12°C (54°F) is normal.

Grand Isle weather averages (imperial / metric)
Daytime temperature 22°C 71.6°F
Nightly temperature 12°C 53.6°F
Average temperature 17°C 62.6°F
Daily sunshine 7 hrs
Avg rainfall 97 mm 3.8 ins
Rainy days 7 days
Sea temperature 22.4°C 72.3°F
Humidity 77%
Windspeed 14kph 9 mph

On average November is the 2nd driest month of the year in Grand Isle with around 97mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.

On the flip side this corresponds to an average of 7 hours of sunshine per day.

November temperatures in Grand Isle

Grand Isle average temperature in November

November rainfall

Grand Isle average rain in November

November hourly sunshine

Grand Isle average rain in November

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Grand Isle in November 2025.

Other monthly averages

Best places to visit in November

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Grand Isle weather stats

Grand Isle weather statistics
Hottest month: July 32.1°C 89.8°F
Driest month: October 82mm 3.2ins
Sunniest month: April 9.7hrs
Coldest month: January 16.3°C 61.3°F
Wettest month: August 169mm 6.7ins
Map showing location of Grand Isle (29.23662, -89.98729) Grand Isle map pin © Google

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