When to go · Grand Isle
Grand Isle in August
Avoid month. Listed as a month to avoid: Jun–Aug (heat, humidity, mosquitoes), hurricane season Jun–Nov.
Key facts
- Verdict
- Avoid
- Temperature
- 34°C (93°F)93°F (34°C) / 25°C (77°F)77°F (25°C)
- average high / low
- Rain days
- 13
- Crowds
- High
- United States overall
- Prices
- High
- United States overall
Verdict
Listed as a month to avoid: Jun–Aug (heat, humidity, mosquitoes), hurricane season Jun–Nov.
Is another month better than August?
August is rated avoid. These months rate higher:
Weather in August
- Grand IsleHighs around 34 °C (93 °F), lows around 25 °C (77 °F), rain on about 13 daysHighs around 93 °F (34 °C), lows around 77 °F (25 °C), rain on about 13 days
Crowds and prices
- Crowds · United States overall
- High
- Prices · United States overall
- High
United States overall: Hot and busy; wildfire smoke in the West, hurricane peak begins in the Southeast.
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in Grand Isle, side by side.
Verdict
Aug: Avoid
Mar: Great (better)
Daytime high
Aug: 34 °C (93 °F)93 °F (34 °C)
Mar: 22 °C (72 °F)72 °F (22 °C)
Night low
Aug: 25 °C (77 °F)77 °F (25 °C)
Mar: 12 °C (54 °F)54 °F (12 °C)
Rain days
Aug: 13
Mar: 8 (better)
Crowds
Aug: High
Mar: Medium
Prices
Aug: High
Mar: Medium
Festivals listed
Aug: 0
Mar: 2
August: Listed as a month to avoid: Jun–Aug (heat, humidity, mosquitoes), hurricane season Jun–Nov.
March: Inside Grand Isle's best window: Mar–May, Oct–Nov.
Grand Isle: figures are long-term averages from this guide, not a forecast.
What to pack
- Light, breathable clothes, a sun hat and sunscreen
- A rain jacket or umbrella and shoes that dry fast