Climate averages 1991–2020
Metairie weather
in May.
A hot, wet month: the 5th warmest and the 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Metairie: daytime highs average 28.0°C and nights cool to about 21.2°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 93 mm of rain on roughly 9 days, which makes May a wet month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 39 min on an average May day.
The nearest other city in this atlas is New Orleans (8 km away). In May its highs average 27.7°C, about as warm as Metairie, with 91 mm of rain.
Among the 498 cities listed in the United States, Metairie ranks joint 96th of 498 for the warmest May highs and joint 317th of 498 for the driest May (rainfall, lowest first). The mean May high of those 498 cities is 23.8°C; Metairie is 4.2°C warmer than that mean.
From May to June, average highs rise by 2.4°C to 30.4°C, and monthly rainfall rises from 93 mm to 124 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages 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
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 16.0°C9.1°C | 9.1°C | 119 | 9.8 | 10.410 h |
| February | 17.9°C10.7°C | 10.7°C | 112 | 9.4 | 11.111 h |
| March | 20.8°C13.6°C | 13.6°C | 115 | 9.6 | 12.012 h |
| April | 24.2°C17.2°C | 17.2°C | 100 | 8.8 | 12.913 h |
| May, selected | 28.0°C21.2°C | 21.2°C | 93 | 9.1 | 13.614 h |
| June | 30.4°C24.3°C | 24.3°C | 124 | 14.6 | 14.014 h |
| July | 31.0°C25.3°C | 25.3°C | 136 | 18.0 | 13.914 h |
| August | 30.9°C25.3°C | 25.3°C | 148 | 17.1 | 13.213 h |
| September | 29.1°C23.5°C | 23.5°C | 118 | 12.4 | 12.412 h |
| October | 25.3°C18.9°C | 18.9°C | 89 | 8.1 | 11.511 h |
| November | 20.5°C13.6°C | 13.6°C | 87 | 7.6 | 10.711 h |
| December | 17.2°C10.4°C | 10.4°C | 98 | 9.6 | 10.310 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
May in nearby cities
- New Orleans in MayUnited States · 8 kmHigh 27.7°C · Low 21.1°C · 91 mm rain
- Gulfport in MayUnited States · 110 kmHigh 27.1°C · Low 20.8°C · 96 mm rain
- Baton Rouge in MayUnited States · 112 kmHigh 28.9°C · Low 19.5°C · 105 mm rain
- Lafayette (Louisiana), United States in MayUnited States · 182 kmHigh 28.9°C · Low 20.0°C · 92 mm rain
- Mobile in MayUnited States · 217 kmHigh 27.7°C · Low 19.7°C · 87 mm rain
- Jackson in MayUnited States · 257 kmHigh 28.1°C · Low 17.3°C · 104 mm rain
- Lake Charles in MayUnited States · 295 kmHigh 28.6°C · Low 20.2°C · 101 mm rain
- Beaumont in MayUnited States · 380 kmHigh 28.4°C · Low 20.3°C · 97 mm rain
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 limitsHow 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.