Climateby Month

Atlanta, GA weather in January

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

January in Atlanta: chilly, with frequent rain. Highs 54°F, lows 36°F, about 11 wet days and about 1.0 in of snow. This is the depth of winter in Atlanta.

Normal high
54°F
Normal low
36°F
Wet days
11
4.6 in total
Snowfall
1.0 in
snow on the ground 1 day

How January changes from start to finish

Normal values at the start and end of January
January 1January 31
Normal high54°F55°F
Normal low36°F36°F
Chance of a wet day37%35%
Sunrise / sunset7:42 am / 5:39 pm7:34 am / 6:07 pm
Daylight10.0 h10.5 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 January day

  1. 6 am39°Fdew point 32°F
  2. 9 am40°Fdew point 32°F
  3. Noon47°Fdew point 33°F
  4. 3 pm52°Fdew point 33°F
  5. 6 pm49°Fdew point 32°F
  6. 9 pm45°Fdew point 33°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°F5 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 below13 of 31
  • Snow on the groundsnow depth 1 in or more1 of 31

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

Rain and snow in January

Normal precipitation is 4.6 in; a dry January brings about 3.3 in and a wet one about 5.3 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more. Normal snowfall is 1.0 in.

How January varies from year to year

  • Warmest January, 1991-20202017: average high 61°F
  • Coolest January2010: average high 47°F
  • Wettest January1996: 8.3 in
  • Driest January2003: 2.0 in
  • Highest reading78°F (January 31, 2002)
  • Lowest reading6°F (January 7, 2014)

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

January compared with December and February

DecemberJanuaryFebruary
Normal high56°F54°F58°F
Normal low38°F36°F39°F
Wet days111110
Comfortable days658
Daylight9.9 h10.2 h11.0 h

Highs change by -2°F from December and +4°F into February.

Nearby alternatives in January

How Atlanta ranks in January

  • Normal high161st warmest of 378 cities; 7th of 8 in Georgia
  • Wet days280th driest of 378
  • Comfortable days133rd most of 339

What to pack for Atlanta in January

  • A warm jacket – lows near 36°F, highs near 54°F
  • A rain jacket or umbrella – rain or snow on about 11 days

Heating and cooling

January has 627 heating degree days and 1 cooling degree days (base 65°F), 14% of the year's total heating and cooling demand.

Questions

How cold is Atlanta in January?

The normal high is 54°F and the normal low is 36°F. From 1991 to 2020 the coldest January reading was 6°F (most recently on January 7, 2014).

Does it rain a lot in Atlanta in January?

About 11 days in January have at least 0.01 in of precipitation, and the normal total is 4.6 in. The wettest January in 1991-2020 was in 1996 (8.3 in); the driest was in 2003 (2.0 in).

Does it snow in Atlanta in January?

Yes. Normal snowfall in January is 1.0 in, and snow covers the ground on about 1 day.

Is January a good time to visit Atlanta?

January ranks 10th of 12 months on our comfort score for Atlanta (46 out of 100). It has about 5 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).