Last updated: June 24, 2025
In June, the average temperature in Grand Isle, United States hovers around 15°C (60°F), with extremes ranging from a chilly 0°C (33°F) to a warm 33°C (92°F). Expect around 92 mm (3.6 in) of precipitation spread over 13 days, contributing to an average humidity level of 77%. Prepare for a mix of refreshing breezes and occasional showers this season!
In June in Grand Isle, the average temperature is 15°C (60°F). The maximum can reach 33°C (92°F), while the minimum can drop as low as 0°C (33°F). It's a great time for travelers to experience a range of temperatures, so be sure to pack accordingly!
In Grand Isle in June, the precipitation amount is 92 mm (3.6 in) spread over 13 days.
In Grand Isle in June, humidity is 77%. With an average temperature of 15°C (60°F), this humidity feels like you're wading through a warm, heavy blanket, making travel feel more exhausting and sticky than usual.
In Grand Isle in June, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Grand Isle.
UV Risk Categories
Weather in Grand Isle varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Grand Isle, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -11°C (13°F) | 89 mm (3.5 inches) | 93% | low |
| February Weather | -9°C (15°F) | 74 mm (2.9 inches) | 92% | moderate |
| March Weather | -5°C (24°F) | 77 mm (3.0 inches) | 90% | moderate |
| April Weather | 3°C (37°F) | 119 mm (4.7 inches) | 87% | high |
| May Weather | 10°C (51°F) | 97 mm (3.8 inches) | 82% | very high |
| June Weather | 15°C (60°F) | 92 mm (3.6 inches) | 77% | very high |
| July Weather | 19°C (66°F) | 93 mm (3.7 inches) | 81% | very high |
| August Weather | 18°C (65°F) | 84 mm (3.3 inches) | 83% | very high |
| September Weather | 13°C (56°F) | 100 mm (3.9 inches) | 85% | high |
| October Weather | 7°C (45°F) | 121 mm (4.7 inches) | 87% | moderate |
| November Weather | -1°C (31°F) | 119 mm (4.7 inches) | 87% | moderate |
| December Weather | -8°C (18°F) | 102 mm (4.0 inches) | 90% | low |