LA · climate averages

New Orleans Weather by Month

These are climate averages, not a forecast. Station New Orleans Audubon (USW00012930), 12.2 miles from downtown, elevation 20 ft.

New Orleans's warmest month is August (avg high 94.0°F), coldest is January (avg low 46.5°F) and wettest is July (8.77 in), per NOAA 1991–2020 climate normals.

  • Warmest high August 94.0°F
  • Coldest low January 46.5°F
  • Wettest month July 8.77 in
  • Year of rain 12 months 64.60 in

Monthly Averages

New Orleans's 12 monthly precipitation normals add up to 64.60 inches a year.

October is the driest month, with a precipitation normal of 3.58 inches.

New Orleans averages 114.5 days a year with at least 0.01 inch of precipitation.

Monthly climate normals for New Orleans, NOAA 1991–2020, station USW00012930
Month Avg high Avg low Precipitation Days ≥ 0.01 in
January 64.3°F 46.5°F 4.95 in 9.8
February 68.4°F 50.5°F 4.14 in 8.9
March 74.5°F 55.8°F 4.60 in 7.5
April 80.9°F 62.0°F 4.99 in 7.0
May 87.9°F 69.3°F 5.39 in 7.4
June 92.5°F 74.9°F 7.37 in 12.6
July 93.9°F 76.6°F 8.77 in 15.1
August 94.0°F 76.9°F 6.80 in 13.3
September 90.1°F 73.6°F 5.72 in 10.0
October 82.6°F 64.7°F 3.58 in 6.8
November 72.9°F 54.6°F 3.78 in 7.3
December 66.4°F 49.0°F 4.51 in 8.8

Warmest, Coldest and Wettest Months

The warmest month is August, with an average high of 94.0°F.

The coldest month is January, with an average low of 46.5°F.

The wettest month is July, at 8.77 inches of precipitation over about 15.1 days.

In New Orleans, four months (June, July, August and September) have an average high of at least 90°F.

The range from the lowest average low to the highest average high in New Orleans is 47.5°F.

In August, the average high in New Orleans is 17.1°F above the average low.

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Best Months to Visit New Orleans for Weather

February, March, April, October, November and December meet the weather rule on this page: an average high from 65 to 85°F and precipitation below 5.38 inches.

The rule keeps a month when the average high is from 65 to 85°F and precipitation is below 5.38 inches, the mean of the twelve monthly precipitation normals.

  • February · 68.4°F
  • March · 74.5°F
  • April · 80.9°F
  • October · 82.6°F
  • November · 72.9°F
  • December · 66.4°F

About This Data

Source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991–2020. Station: NEW ORLEANS AUDUBON (USW00012930), 12.2 mi from downtown, elevation 20 ft. Climate normals are 30-year averages, not forecasts. MonthSky is not affiliated with NOAA.

These pages are built automatically from public NOAA data.

U.S. Monthly Climate Normals (1991-2020) dataset

NCEI dataset landing page for the monthly normals

NCEI U.S. Climate Normals product page

How these numbers are computed

FAQ

What is the hottest month in New Orleans?

August is the warmest, with an average high of 94.0°F.

What is the wettest month in New Orleans?

July is the wettest, at 8.77 inches over about 15.1 days.

How many rainy days does New Orleans get a year?

The monthly counts of days with at least 0.01 inch of precipitation add up to 114.5 days.

When is the best time to visit New Orleans for weather?

February, March, April, October, November and December meet the rule used on this page: average high from 65 to 85°F and precipitation below the monthly mean of 5.38 inches.

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