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.