Climateby Month

New Orleans, LA weather in May

NOAA 1991-2020 normals and daily records · New Orleans all year

Expect hot, oppressively humid weather with some rain in New Orleans in May, with highs near 88°F and lows near 69°F. Rain falls on about 7 days.

Normal high
88°F
Normal low
69°F
Wet days
7
4.9 in total
Muggy days
22
dew point 65°F+

How May changes from start to finish

Normal values at the start and end of May
May 1May 31
Normal high85°F91°F
Normal low66°F73°F
Chance of a wet day22%29%
Sunrise / sunset6:17 am / 7:37 pm6:00 am / 7:56 pm
Daylight13.3 h13.9 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).

A typical May day

  1. 6 am74°Fdew point 67°F
  2. 9 am79°Fdew point 67°F
  3. Noon82°Fdew point 66°F
  4. 3 pm83°Fdew point 66°F
  5. 6 pm81°Fdew point 66°F
  6. 9 pm77°Fdew point 67°F

NOAA hourly normals (local standard time) from New Orleans Lakefront Airport (7 mi away); average wind 10 mph.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F2 of 31
  • Hot dayshigh 90°F or more10 of 31
  • Muggy daysdaily mean dew point 65°F or more22 of 31
  • Wet daysat least 0.01 in of rain or melted snow7 of 31
  • Notable rainat least 0.10 in5 of 31
  • Freezing nightslow 32°F or below0 of 31

Average days per May, counted from daily records for each year 1991-2020.

Rain in May

Normal precipitation is 4.9 in; a dry May brings about 1.5 in and a wet one about 6.7 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 2 an inch or more.

How May varies from year to year

  • Warmest May, 1991-20202018: average high 91°F
  • Coolest May2013: average high 82°F
  • Wettest May1995: 21.3 in
  • Driest May2000: 0.05 in
  • Highest reading97°F (May 17, 2018)
  • Lowest reading46°F (May 4, 2013)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

May compared with April and June

AprilMayJune
Normal high81°F88°F93°F
Normal low62°F69°F75°F
Wet days7712
Comfortable days1020
Daylight12.9 h13.7 h14.0 h

Highs change by +7°F from April and +5°F into June.

Nearby alternatives in May

How New Orleans ranks in May

  • Normal high26th warmest of 378 cities; 1st of 5 in Louisiana
  • Wet days113th driest of 378
  • Comfortable days299th most of 339

What to pack for New Orleans in May

  • Light, breathable clothing – highs near 88°F and about 22 muggy days

Heating and cooling

May has 1 heating degree days and 422 cooling degree days (base 65°F), 9% of the year's total heating and cooling demand.

Questions

How hot is New Orleans in May?

The normal high is 88°F and the normal low is 69°F. From 1991 to 2020 the hottest May reading was 97°F (most recently on May 17, 2018).

Does it rain a lot in New Orleans in May?

About 7 days in May have at least 0.01 in of precipitation, and the normal total is 4.9 in. The wettest May in 1991-2020 was in 1995 (21.3 in); the driest was in 2000 (0.05 in).

Is May a good time to visit New Orleans?

May ranks 8th of 12 months on our comfort score for New Orleans (49 out of 100). It has about 2 comfortable days and about 10 days at 90°F or hotter. The best months are March, April and November.

Where the numbers come from

  • Temperature and frost dates: New Orleans Audubon (USW00012930), 4.2 mi SW of the city center, 20 ft . NOAA normals and daily records, 1991-2020.
  • Rain, snowfall, snow depth and humidity and wind by hour: New Orleans Lakefront Airport (USW00053917), 7.1 mi NNE of the city center, 9 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Louis Armstrong New Orleans Intl Airport (722310-12916), 13 mi WNW of the city center, -3 ft . Hourly observations, 1991-2020.
  • Not available for this location: cloud cover (no station close enough or similar enough in elevation).