New Orleans averages 91.2 days a year above 90°F, with July the wettest month at 8.77 in of normal rain. The hottest day on record was 104°F on Jun 24, 2009; the coldest, 12°F on Dec 23, 1989. The single biggest 24-hour rain event recorded was 10.94 in on May 8, 1995.
Climate and Average Weather Year Round in New Orleans
Year-round temperature
In New Orleans, the warmest months are June through September, with average daily highs between 90°F and 94°F. The coldest stretch runs December through February, with highs between 64°F and 68°F and overnight lows reaching 47°F.
Rainfall through the year
Rainfall in New Orleans averages 5.4 in per month over the long run. July is the wettest at 8.8 in, while October is the driest at 3.6 in.
Days at 90 °F or hotter
New Orleans averages 91.2 days per year at 90 °F or hotter. The hottest year on record saw 130 such days (2006); the coolest just 69 (2021).
Precipitation this year
As of May 29, New Orleans has received 8.1 in of precipitation this year — 66% below the long-term normal for this point in the year (23.7 in).