Grand Isle Weather: April
 |
Average Day Temperature: | 75.1°F |
|
Average Night Temperature: | 72.0°F |
|
Sea Water Temperature: | 76.2°F |
|
Number of Sunny Days: | 12 days |
| Sunshine Hours: | 12.5 - 13.3 hours | |
|
Number of Rainy Days: | 2 days |
| Precipitation Totals: | 1.1 in | |
| detailed information | ||
forecast
| Grand Isle |
Temperature
| Grand Isle |
Air Temperature in April, °F
The highest day temperature in April 2026 was 80°F. The lowest night temperature was 68°F. The average values for day and night temperatures during April were 75.1°F и 74.5°F respectivly.
Grand Isle Water Sea Temperature in April, °F
The average sea surface temperature in April 2026 for Grand Isle was 77.2°F. The maximum and minimum values were 74.2°F and 81.4°F respectively.
You can expect various weather conditions during April. Be ready for sunny, cloudy or even gloomy days.
Precipitation Totals in April, in
Precipitation total in April for Grand Isle is 1.1 in.
The average wind speed in April is 13.2 mph. It makes April one of the most windy months of the year for Grand Isle.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Grand Isle in April is 7.8 hours.
Grand Isle on the Weather Map
| Boston |  |
+94 |
| Chicago | |
+88 |
| Hawaii |  |
+80 |
| Houston |  |
+90 |
| Las Vegas | |
+120 |
| Los Angeles | |
+106 |
| Maui |  |
+76 |
| Miami | |
+100 |
| Myrtle Beach | |
+96 |
| New York | |
+114 |
| San Diego | |
+96 |
| San Francisco | |
+76 |
| Santa Monica | |
+84 |
| Sarasota | |
+102 |
| Tampa | |
+100 |
| 1500 |  |
90°F | N 9 mph |
| 1800 | |
90°F | N 11 mph |
| 2100 |  |
90°F | S 14 mph |
| 0000 | |
90°F | W 4 mph |
| 0300 |  |
86°F | N 9 mph |
| 0600 | |
88°F | N 10 mph |
| 0900 |  |
88°F | N 5 mph |
| 1200 | |
88°F | NW 7 mph |