Grand Isle Weather in January

What's the weather like in Grand Isle (Louisiana) in January 2023?

The climate in Grand Isle during January can be summarized as mild and wet.

January is in the winter in Grand Isle and is typically the coldest month of the year. Daytime maximum temperatures average around a cool 17°C (62°F), whilst at night 7°C (44°F) is normal.

Grand Isle weather averages (imperial / metric)
Daytime temperature 16.6°C 61.8°F
Nightly temperature 6.9°C 44.4°F
Average temperature 11.7°C 53.1°F
Daily sunshine 6.2 hrs
Avg rainfall 127 mm 5 ins
Rainy days 10 days
Sea temperature 18.4°C 65.1°F
Humidity 76%
Windspeed 15.5kph 10 mph

On average January is the 5th wettest month of the year in Grand Isle with around 127mm 5 inches of rain making it a wet time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.2 hours of sunshine per day.

January temperatures in Grand Isle

Grand Isle average temperature in January

January rainfall

Grand Isle average rain in January

January hourly sunshine

Grand Isle average rain in January

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 January 2022.

Other monthly averages

Best places to visit in January

UV index Best time to go?

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)

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