Weather

Weather Forecast by Seaon in South Louisiana

Spring (March - May)

  • Temperatures: Highs rise from the 70s°F into the upper 80s°F.
  • Conditions: Spring is a transitional season marked by warming days, increasing humidity, and frequent afternoon thunderstorms as the Gulf’s moisture builds.

Summer (June - September)

  • Temperatures: Hot and humid, with daytime highs often in the low 90s°F and nighttime lows in the mid-70s°F. In New Orleans, highs reach 90–93°F and lows hover near 76°F.
  • Heat Index: Be mindful of heat advisories, the heat index in South Louisiana can hit 110°F due to humidity.
  • Rain & Storms: Frequent thunderstorms bring intense but brief tropical downpours and daily precipitation. The wettest months span spring through early fall, with summer among the rainiest.
    • Hurricane Season: Active from June through November.

Fall (October - November)

  • Temperatures: Average highs sit in the 60s °F and lows in the 40s–50s °F.
  • Rain & Storms: Rain is less frequent through late fall, though early fall may still bring tropical remnants. Be mindful of storm warnings.

Winter (December - February)

  • Temperatures: The average temperature highs sit in the 60s°F and lows range in the 40s–50s°F.
 

Check here for current weather conditions at all six sites of Jean Lafitte National Historical Park and Preserve.

 
 

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Alligator with Mouth open.
Plan Your Visit

Plan ahead to visit the six different sites in Jean Lafitte National Historical Park and Preserve.

A wooden boardwalk trail with an alligator safety sign and trail sign.
Safety

Stay safe when visiting our park. Learn these safety tips before you head out on your next park trip.

Nutria on bayou bank
Nature

Gather some foundational information for your planning process.

Last updated: August 30, 2025

Contact Info

Mailing Address:

419 Decatur St
New Orleans, LA 70130

Phone:

504-589-3882

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