Climateby Month

Atlanta, GA weather in May

NOAA 1991-2020 normals and daily records · Atlanta all year

May in Atlanta: warm, with some rain. Highs 81°F, lows 61°F, about 9 days with rain. A good month for most outdoor plans.

Normal high
81°F
Normal low
61°F
Wet days
9
3.6 in total
Muggy days
6
dew point 65°F+

How May changes from start to finish

Normal values at the start and end of May
May 1May 31
Normal high78°F84°F
Normal low57°F65°F
Chance of a wet day29%33%
Sunrise / sunset6:48 am / 8:20 pm6:28 am / 8:42 pm
Daylight13.5 h14.2 h

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

A typical May day

  1. 6 am63°Fdew point 57°F
  2. 9 am70°Fdew point 59°F
  3. Noon76°Fdew point 58°F
  4. 3 pm79°Fdew point 57°F
  5. 6 pm77°Fdew point 57°F
  6. 9 pm71°Fdew point 58°F

NOAA hourly normals (local standard time) from Atlanta Hartsfield Intl Airport (9 mi away); average wind 8 mph.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F9 of 31
  • Hot dayshigh 90°F or more2 of 31
  • Muggy daysdaily mean dew point 65°F or more6 of 31
  • Wet daysat least 0.01 in of rain or melted snow9 of 31
  • Notable rainat least 0.10 in6 of 31
  • Freezing nightslow 32°F or below0 of 31
  • Snow on the groundsnow depth 1 in or more0 of 31

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

Rain in May

Normal precipitation is 3.6 in; a dry May brings about 2.1 in and a wet one about 4.5 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more.

How May varies from year to year

  • Warmest May, 1991-20202019: average high 86°F
  • Coolest May1997: average high 75°F
  • Wettest May2003: 9.9 in
  • Driest May1998: 1.2 in
  • Highest reading95°F (May 26, 2019)
  • Lowest reading41°F (May 4, 2004)

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 high74°F81°F87°F
Normal low53°F61°F69°F
Wet days9911
Comfortable days1891
Daylight13.0 h13.9 h14.4 h

Highs change by +7°F from April and +6°F into June.

Nearby alternatives in May

How Atlanta ranks in May

  • Normal high123rd warmest of 378 cities; 7th of 8 in Georgia
  • Wet days179th driest of 378
  • Comfortable days227th most of 339

What to pack for Atlanta in May

  • A rain jacket or umbrella – rain on about 9 days

Heating and cooling

May has 22 heating degree days and 214 cooling degree days (base 65°F), 5% of the year's total heating and cooling demand.

Questions

How hot is Atlanta in May?

The normal high is 81°F and the normal low is 61°F. From 1991 to 2020 the hottest May reading was 95°F (most recently on May 26, 2019).

Does it rain a lot in Atlanta in May?

About 9 days in May have at least 0.01 in of precipitation, and the normal total is 3.6 in. The wettest May in 1991-2020 was in 2003 (9.9 in); the driest was in 1998 (1.2 in).

Is May a good time to visit Atlanta?

May ranks 4th of 12 months on our comfort score for Atlanta (63 out of 100). It has about 9 comfortable days and about 2 days at 90°F or hotter. The best month is April.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth, frost dates and humidity and wind by hour: Atlanta Hartsfield Intl Airport (USW00013874), 8.8 mi SSW of the city center, 1,010 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Hartsfield-Jackson Atlanta Intl Airport (722190-13874), 8.8 mi SSW of the city center, 1,011 ft . Hourly observations, 1991-2020.
  • Not available for this location: cloud cover (no station close enough or similar enough in elevation).