New Orleans, Louisiana weather in May

Averages from 2021–2025 (155 days of record).

Average high: 84°F
Average low: 71°F
Rainy days: ~16 per month
Total precipitation: 6.6 in
Warmest recorded: 92°F
Coldest recorded: 61°F

Expect May days in New Orleans, Louisiana to top out around 84°F and cool to about 71°F overnight, with roughly 16 days of measurable rain across the month. In recent years May has ranged from 61°F to 92°F.

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Current New Orleans, Louisiana forecast → · Historical data by Open-Meteo (ERA5).