Climateby Month

Atlanta, GA weather in March

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

Atlanta is mild in March, with frequent rain: highs average 66°F and nights drop to about 45°F. There are about 11 days with rain. A good month for most outdoor plans.

Normal high
66°F
Normal low
45°F
Wet days
11
4.7 in total
Muggy days
0
dew point 65°F+

How March changes from start to finish

Normal values at the start and end of March
March 1March 31
Normal high62°F70°F
Normal low42°F49°F
Chance of a wet day35%33%
Sunrise / sunset7:05 am / 6:33 pm7:26 am / 7:57 pm
Daylight11.5 h12.5 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 March day

  1. 6 am48°Fdew point 40°F
  2. 9 am51°Fdew point 41°F
  3. Noon59°Fdew point 41°F
  4. 3 pm63°Fdew point 40°F
  5. 6 pm62°Fdew point 39°F
  6. 9 pm56°Fdew point 40°F

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

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F16 of 31
  • Hot dayshigh 90°F or more0 of 31
  • Muggy daysdaily mean dew point 65°F or more0 of 31
  • Wet daysat least 0.01 in of rain or melted snow11 of 31
  • Notable rainat least 0.10 in7 of 31
  • Freezing nightslow 32°F or below3 of 31
  • Snow on the groundsnow depth 1 in or more0 of 31

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

Rain and snow in March

Normal precipitation is 4.7 in; a dry March brings about 2.9 in and a wet one about 6.4 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 2 an inch or more. Normal snowfall is 0.4 in.

How March varies from year to year

  • Warmest March, 1991-20202012: average high 74°F
  • Coolest March2013: average high 59°F
  • Wettest March2001: 9.1 in
  • Driest March2004: 1.0 in
  • Highest reading89°F (March 23, 1995)
  • Lowest reading16°F (March 9, 1996)

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

March compared with February and April

FebruaryMarchApril
Normal high58°F66°F74°F
Normal low39°F45°F53°F
Wet days10119
Comfortable days81618
Daylight11.0 h12.0 h13.0 h

Highs change by +8°F from February and +8°F into April.

Nearby alternatives in March

How Atlanta ranks in March

  • Normal high149th warmest of 378 cities; 7th of 8 in Georgia
  • Wet days250th driest of 378
  • Comfortable days63rd most of 339

What to pack for Atlanta in March

  • A rain jacket or umbrella – rain on about 11 days

Frost in March

The last spring frost typically comes around Mar 15; in 1 year in 10 it comes after Apr 4. All frost dates for Atlanta.

Heating and cooling

March has 309 heating degree days and 17 cooling degree days (base 65°F), 7% of the year's total heating and cooling demand.

Questions

How cold is Atlanta in March?

The normal high is 66°F and the normal low is 45°F. From 1991 to 2020 the coldest March reading was 16°F (March 9, 1996).

Does it rain a lot in Atlanta in March?

About 11 days in March have at least 0.01 in of precipitation, and the normal total is 4.7 in. The wettest March in 1991-2020 was in 2001 (9.1 in); the driest was in 2004 (1.0 in).

Does it snow in Atlanta in March?

Yes. Normal snowfall in March is 0.4 in.

Is March a good time to visit Atlanta?

March ranks 3rd of 12 months on our comfort score for Atlanta (68 out of 100). It has about 16 comfortable days. 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).