April Weather in Grand Isle, Louisiana - 2025
Grand Isle is a town located on the narrow barrier island in the Gulf of Mexico. It is known primarily for its beaches and the recreational prerogatives it offers its residents. The town is celebrated for its world-class fishing, birding habitat, miles of beaches, and boundless wildlife. The city is prominently regarded due to its cozy weather in winter which is friendly to snowbirds. Apart from the beaches and wildlife, the town possesses great historical significance and provides a natural defense to the communities such as New Orleans. The city provides a luxurious experience to its visitors with a torrent of recreational amenities and activities.
Generally, April in Grand Isle will be on the colder side, with an average temperature of around 44°F / 7°C. But due to the moderate humidity it can still feel slightly uncomfortable for some. You can expect around 14 rainy days, with on average 3.3 inches / 84 mm of rain during the month of April.
Contents
- 1 April weather in Grand Isle Louisiana
- 2 April weather in Grand Isle Louisiana in more detail
- 3 What to do in Grand Isle Louisiana in April
- 4 Is it humid in Grand Isle Louisiana in April?
- 5 Is April a good time to go to Grand Isle Louisiana?
- 6 Does it rain all day in Grand Isle Louisiana in April?
- 7 Is April the rainiest month in Grand Isle Louisiana?
- 8 Is April the most sunniest month in Grand Isle Louisiana?
- 9 More information about Grand Isle Louisiana
- 10 Weather in Grand Isle Louisiana in other months
- 11 What to do in Grand Isle Louisiana for each month
April weather in Grand Isle Louisiana
To get a good overview of the type of weather you can expect in April in Grand Isle, we will look at the day and night temperature, minimum and maximum water temperature, and if April is comfortable or humidGenerally, April in Grand Isle will be on the colder side. Historical data shows that you can expect an average temperature of around 44°F / 7°C. But due to the moderate humidity it can still feel slightly uncomfortable for some. During the night, it will cool down to around 30°F / -1°C. Many will prefer a location with air conditioning due to the high humidity level.
Grand Isle has its share of rainy days in April. You can expect around 14 rainy days, with on average 3.3 inches / 84 mm of rain during the whole month.
April weather in Grand Isle Louisiana in more detail
To get a better feeling for the type of weather, you can expect in April in Grand Isle, we will look at the temperature, rain, wind, humidity, water temperature, and sun and clouds- What will the temperature be in Grand Isle in April
Generally, you can expect in April an average temperature of 44°F / 7°C during the day and an average of 30°F / -1°C during the night. In April, during the warmest part of the afternoon, the temperature can often get as high as 66°F / 19°C, and at the end of the night, it can get as low as 14°F / -10°C.
When looking at the whole year, January is the coldest month, with an average temperature of around 21°F / -6°C. July is the hottest month, with an average temperature of around 75°F / 24°C. When comparing April with the temperature in the month before and after, this is higher than March, which sees an average maximum temperature of around 30°F / -1°C. And less than May, which sees an average maximum temperature of around 60°F / 16°C.
But average temperatures only tell half of the story. It is also good to check the maximum and minimum temperatures. When looking at the whole year, July and August are the hottest months, with a temperature of around 86°F / 30°C. February is the coldest month, with a temperature of around 35°F / 2°C. When comparing April with the temperature in the month before and after, this is a lot higher than March, which sees an average maximum temperature of around 44°F / 7°C. And less than May, which sees an average maximum temperature of around 77°F / 25°C.
In the following graph, you can see how many cold and hot days you can expect in Grand Isle each month:
- Can you expect rain in April in Grand Isle?
Generally, you can expect about 14 rain days in April, with on average 3.3 inches / 84 mm of rain.
When looking at the whole year, February is the dryest month, with an average rainfall of around 2.4 inches / 62 mmmm. October is the wettest month, with an average rainfall of around 3.9 inches / 99 mmmm. When comparing April with the month before and after, this is almost equal to March, which sees around 3.3 inches / 83 mm of rain. And slightly less than May, which sees around 3.5 inches / 88 mm of rain
If we look at the number of days with rain, September is the month with the least amount of rain days with around 11 days. July is the month with the most rain days with around 16 days. When comparing April with the month before and after, this is almost equal to March, which sees around 14 days of rain. And almost equal to May, which sees an average of between 14 and 15 days of rain
- What will the water temperature be in Grand Isle for April
You can expect in April, the water temperature for Grand Isle to be between 77°F / 25°C and 68°F / 20°C.
To compare the water temperature we will use the maximum water temperature. You can expect this temperature on a more sunny day, close to the shore, when the wind does not mix the relatively warmer and colder water.
August has the highest water temperature, with an average of between 89°F / 32°C and 91°F / 33°C. January has the lowest water temperature, with an average of between 62°F / 17°C and 64°F / 18°C. When comparing the water temperature from April with the month before and after, April has a water temperature slightly higher than March, with a water temperature of an average of between 71°F / 22°C and 73°F / 23°C. And slightly less than the water temperature from May, that is around 84°F / 29°C.
- Can you expect in April a lot of sunny days in Grand Isle
Generally, you can expect around 4 sunny days in April and around 13 partly sunny days. The remaining days will be cloudy.
When looking at the whole year, September is the month with the highest number of sunny days, with an average of between 7 and 8 sunny days. January is the month with the lowest number of sunny days, with an average of between 1 and 2 sunny days. When comparing April with the number of sunny days in the month before and after, it is almost equal to March, with an average of between 2 and 3 sunny days. And almost equal to May, with an average of between 5 and 6 sunny days
We have looked at the sunny days in Grand Isle. Let's also look at the cloudy or overcast days. December is the month with the highest number of cloudy days, with around 15 cloudy days. August is the month with the lowest number of cloudy days, with an average of between 6 and 7 cloudy days. When comparing April with the number of cloudy days in the month before and after, it is slightly lower than March, with an average of between 14 and 15 cloudy days. And slightly more than May, with an average of between 10 and 11 cloudy days
- Will it be comfortable in April in Grand Isle?
Generally, April in Grand Isle will be moderately humid, and can feel slightly uncomfortable for some.
We use the humidity and temperature in Grand Isle to calculate the Wintersun Expert Comfort level for each month. The lower the Wintersun Expert Comfort level, the more comfortable it will be. Only for certain people, extremely dry air can feel slightly uncomfortable.
When looking at the whole year, November has the lowest humidity, with a Wintersun Expert comfort level of "comfortable" (very dry air). July has the highest humidity, with a Wintersun Expert comfort level of "very uncomfortable" (very high humidity). When comparing April with the month before and after, this is slightly more than March, which has a Wintersun Comfort level of "very comfortable" (low humidty). And slightly less than May, which has a Wintersun Comfort level of "very uncomfortable" (very high humidity)
What to do in Grand Isle Louisiana in April
Grand Isle is a popular tourist location. There are many places to visit in the area. Some of these include:
- Grand Isle State Park: It is the only inhabited barrier island in the state. You can go for a swim but always have a companion while swimming. The Park offers a nice beach, restrooms, picnic pavilions, fishing, bird watching and dolphin sighting along the beachside. There is a lookout tower in the park and a campground there as well.
- Fort Livingston: Named after Edward Livingston, former Mayor of New York City. This is the 19th Century coastal defense fort located on Grand Terre Island. You can rent a kayak to explore the fortress. The Fort has great historical importance dating back to the 19th century and you can also go fishing on your visit there.
- Caminada Bay: If you are a seafood lover and particularly prefer oysters, Caminada Bay is the answer. Caminada Bay houses some of the best oysters in the world. Large, earthy oysters with very plump meat will surely make your trip worthwhile.
- Elmer's Island Wildlife Refuge: Featuring coastal dunes, beaches, and saltwater marsh, the refuge offers various educational as well as recreational activities. It is basically an island where you can go hunting, boating, enjoy water activities as well as fishing to spend quality time.
- Bridge Side Marina: Known as Louisiana's favorite fishing destination, Bridge Side Marina offers private beaches, fishing piers, a campground as well as cabins. You can also visit the shop to get unique beachwear.
Is it humid in Grand Isle Louisiana in April?
A lot of people ask interested in the humidity or relative humidity for Grand Isle Louisiana in April. But the real question they want to ask is not about humidity but the amount of moisture in the air. Or better, about comfort. Will it be comfortable in April in Grand Isle, or will high humidity make it uncomfortable.To answer this question, we have to look at the dew point. Relative humidity can change a lot in Grand Isle during the day and night, as it changes when the amount of moisture changes and, but also when the temperature changes. It is a lot less reliable for comfort. Where the dew point only varies with the amount of moisture in the air.
Looking at the dew point, we can see that for the month of April, you can expect that Grand Isle will be moderately humid, and can feel slightly uncomfortable for some.
November is the month with the most comfort. It will have very dry air, and can feel somewhat uncomfortable for some people. But will be fine for most.. July is the most uncomfortable month. It will be extremely humid, and can feel extremely uncomfortable. In the graph, you can see that there is a significant difference between the most comfortable and most uncomfortable months
Is April a good time to go to Grand Isle Louisiana?
Trying to answer the question of whether April is a good time to go to Grand Isle is not as easy as it first seems. Some people like colder weather, and others prefer a warmer climate. Some are fine with some humidity, and others are not. If your location has air conditioning, the night temperature is less important.
These are some examples. I will try to answer the question with a more generic person in mind. The more detailed information in this article should be enough to check further if this applies to you as well.
If we look at the average temperature for Grand Isle in April, we can see that it will be too cold for most people. In April, you can expect it to be on the colder side, with an average temperature of around 44°F / 7°C. But due to the moderate humidity it can feel slightly uncomfortable for some. During the night, it will be around 30°F / -1°C.
The number of overcast days is more than 5, but you can still the sun with around 4 sunny days and 13 partly sunny days.
The last aspect we will look at is rain. You can expect around 14 rainy days, with on average 3.3 inches / 84 mm of rain during April. More then 5 days rain per month makes the chance higher you will see some rain during a shorter stay. But a day with rain does not mean a day you can not enjoy.
We have looked at the average day temperature, the night temperature, humidity, the number of overcast days, and the rain. We think that April in Grand Isle Louisiana is not the most optimal destination. But that doesn't mean it is not a good time for you to go. As said before, each visitor has their own preferences when it comes to the weather.
Does it rain all day in Grand Isle Louisiana in April?
In Grand Isle, it does not rain all day in April. You can expect around 14 rainy days, with on average 3.3 inches / 84 mm of rain during the month.
Another way of looking at the rain is the number of sunny days. For Grand Isle Louisiana, there are, on average 4 sunny days and 13 partly sunny days in April. That clearly shows that it is not raining all the time.
Is April the rainiest month in Grand Isle Louisiana?
April is not the month with the most rainy days, and not the month with the most rain.
To answer what the rainiest month is in Grand Isle, we will both look at the month with the most rain, and the month with the highest number of rainy days.
July is the month with the the highest number of rainiest days. On average, you can expect 16 days with rain. September is the month with the lowest number of rainy days, with aproximately 11 days.
July is the month with the most rain. This is not equal as the one with the most rainy days. On average, you can expect 3.9 inches / 99 mm of rain. September is the month with the least amount of rain. This is not the same month as the one with the lowest number of rainy days. You can expect approximately 2.4 inches / 62 mm of rain.
Is April the most sunniest month in Grand Isle Louisiana?
April is not the month with the most sunny days, not the month with the most partly sunny days, and it is not the month with the lowest number of overcast days.
To answer what the sunniest month is in Grand Isle, we will of course look at the month with the most sunniest days, but also look at the month with the biggest number of days that are sunny or partly sunny.
September is the month with the highest number of sunny days. On average, you can expect 4 sunny days, and 13 partly suny days. January is the month with the lowest number of sunny days.
August is the month with the highest number of sunny days and partly sunny days combined. While February is the month with the lowest number of sunny days and partly sunny days combined.
The last thing we will look at is the number of overcast days. August is the month with the lowest number of overcast days. While December is the month with the highest number of overcast days.
More information about Grand Isle Louisiana
Weather in Grand Isle Louisiana in other months
- Weather in Grand Isle Louisiana for January
- Weather in Grand Isle Louisiana for February
- Weather in Grand Isle Louisiana for March
- Weather in Grand Isle Louisiana for May
- Weather in Grand Isle Louisiana for June
- Weather in Grand Isle Louisiana for July
- Weather in Grand Isle Louisiana for August
- Weather in Grand Isle Louisiana for September
- Weather in Grand Isle Louisiana for October
- Weather in Grand Isle Louisiana for November
- Weather in Grand Isle Louisiana for December
What to do in Grand Isle Louisiana for each month
- What to do in January in Grand Isle Louisiana
- What to do in February in Grand Isle Louisiana
- What to do in March in Grand Isle Louisiana
- What to do in April in Grand Isle Louisiana
- What to do in May in Grand Isle Louisiana
- What to do in June in Grand Isle Louisiana
- What to do in July in Grand Isle Louisiana
- What to do in August in Grand Isle Louisiana
- What to do in September in Grand Isle Louisiana
- What to do in October in Grand Isle Louisiana
- What to do in November in Grand Isle Louisiana
- What to do in December in Grand Isle Louisiana