Last updated: June 24, 2025
In Grand Isle, United States, the average temperature in November hovers around -1°C (31°F). However, temperatures can vary significantly, with minimums dipping to -19°C (-1°F) and maximums reaching up to 21°C (69°F). Expect a fair amount of rain, with 119 mm (4.7 in) of precipitation spread over 12 days. The air remains quite moist, with an average humidity of 87%, making it a chilly yet fascinating month to explore the area.
In November in Grand Isle, the average temperature is -1°C (31°F). Maximum temperatures can reach 21°C (69°F) while minimums can drop to as low as -19°C (-1°F). Be prepared for a wide range of temperatures during your travels, so pack accordingly!
In Grand Isle in November, the total precipitation amount is 119 mm (4.7 in), falling over a span of 12 days.
In Grand Isle in November humidity is 87%. With an average temperature of -1°C (31°F), this humidity feels like a biting chill that seeps through your clothes, making traveling incredibly uncomfortable as it adds a layer of dampness to the already cold air, leaving you shivering and wishing for warmth.
In Grand Isle in November, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Grand Isle, you can check the information here.
UV Risk Categories
Weather in Grand Isle varies notably across the year, with each month offering distinct climate conditions. This page compares November’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 |