New Orleans, LA

Climate overview — based on NOAA 1991-2020 normals from NEW ORLEANS LAKEFRONT AP, LA US.

Cfa Humid subtropical climate 10a USDA hardiness Zone 10a

Year-round temperatures (°F)

40° 60° 80° 100° J F M A M J J A S O N D
Avg high Avg low

Climate summary

New Orleans has an annual average temperature of 70.9°F with about 60.1 inches of precipitation per year. The warmest month is August (average high 90.8°F), and the coldest is January (average low 46.9°F). August is typically the wettest month (6.46 in) and October the driest (3.64 in).

Pleasant months
5 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
30.7°F
warmest to coldest month
Heating need
879
Cooling need
2,988

Best time to visit New Orleans

Full guide →

Climate change signal

All-time records →

99 of 366 (27%) of New Orleans's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1990s
95
2000s
138
2010s
70
2020s
63

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month Avg High Avg Low Avg Temp Precipitation Snow Rainy days
January 61.0°F 46.9°F 54.0°F 5.26 in 10
February 65.3°F 50.8°F 58.1°F 4.08 in 9
March 71.4°F 56.8°F 64.1°F 4.63 in 8
April 77.7°F 63.4°F 70.6°F 5.87 in 7
May 84.6°F 70.9°F 77.7°F 4.94 in 7
June 89.3°F 76.4°F 82.9°F 6.04 in 12
July 90.6°F 78.2°F 84.4°F 6.29 in 13
August 90.8°F 78.6°F 84.7°F 6.46 in 12
September 87.2°F 75.6°F 81.4°F 4.64 in 9
October 79.2°F 66.6°F 72.9°F 3.64 in 7
November 69.8°F 56.3°F 63.1°F 3.64 in 7
December 63.4°F 49.5°F 56.4°F 4.63 in 0.1 in 10

Climate twins of New Orleans

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

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