Climate averages 1991–2020

Metairie weather
in July.

A hot, wet month: the warmest and the 11th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 31.0°C Daytime mean, July
Average low 25.3°C Night-time mean, July
Rainfall 136 mm 18 days with ≥1 mm
Daylight 14 h Sunrise to sunset, per day
Every month in Metairie · average highYear overview

July is a hot month in Metairie: daytime highs average 31.0°C and nights cool to about 25.3°C. By daytime temperature it is the warmest month of the year.

Expect about 136 mm of rain on roughly 18 days, which makes July a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 52 min on an average July day.

The nearest other city in this atlas is New Orleans (8 km away). In July its highs average 30.8°C, about as warm as Metairie, with 143 mm of rain.

Among the 498 cities listed in the United States, Metairie ranks joint 194th of 498 for the warmest July highs and joint 476th of 498 for the driest July (rainfall, lowest first). The mean July high of those 498 cities is 30.3°C; Metairie is 0.7°C warmer than that mean.

From July to August, average highs fall by 0.1°C to 30.9°C, and monthly rainfall rises from 136 mm to 148 mm.

The annual picture

July in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 5101520253035 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 1500

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Metairie climate table

1991–2020
Monthly climate averages for Metairie, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 16.0°C9.1°C9.1°C1199.810.410 h
February 17.9°C10.7°C10.7°C1129.411.111 h
March 20.8°C13.6°C13.6°C1159.612.012 h
April 24.2°C17.2°C17.2°C1008.812.913 h
May 28.0°C21.2°C21.2°C939.113.614 h
June 30.4°C24.3°C24.3°C12414.614.014 h
July, selected 31.0°C25.3°C25.3°C13618.013.914 h
August 30.9°C25.3°C25.3°C14817.113.213 h
September 29.1°C23.5°C23.5°C11812.412.412 h
October 25.3°C18.9°C18.9°C898.111.511 h
November 20.5°C13.6°C13.6°C877.610.711 h
December 17.2°C10.4°C10.4°C989.610.310 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

July in nearby cities

Distance from Metairie

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Metairie) is explained once on the Metairie year overview and on the Sources, method and limits page.