Atlanta GA Average Temperatures by Month

The numbers here tell you how hot and cold the weather usually is in Atlanta, Georgia during each month of the year.

The average high and low temperatures are listed below monthly and annually for Atlanta, in both degrees Fahrenheit and Celsius.

Maximums and minimums are only part of the temperature picture. To fill in the rest, there's information on how many days a month get above or below a given temperature.

To find out how often it rises over 70, 80 or 90 °F each month in Atlanta, scroll down farther. There are also monthly and yearly counts of nights with warm temperatures and details on days with cold weather.

The first set of high and low temperatures are averages for 2010 to 2019. Everything else here is based on 1991 to 2020 weather.

10-year temperature averages for Atlanta, 2010 to 2019
High °F	Low °F		High °C	Low °C
53	35	January	12	1
59	40	February	15	4
66	46	March	19	8
75	54	April	24	12
82	63	May	28	17
88	70	June	31	21
90	72	July	32	22
89	72	August	32	22
86	67	September	30	20
76	56	October	24	13
64	44	November	18	7
58	41	December	14	5
74	55	Year	23	13

30-year temperature averages for Atlanta, 1991 to 2020
High °F	Low °F		High °C	Low °C
54	36	January	12	2
58	39	February	15	4
66	45	March	19	7
74	53	April	23	11
81	61	May	27	16
87	69	June	31	20
90	72	July	32	22
89	71	August	32	22
84	66	September	29	19
74	55	October	24	13
64	44	November	18	7
56	38	December	13	4
73	54	Year	23	12

Days of Hot Weather in Atlanta

The temperature in Atlanta typically reaches into the 100s Fahrenheit just one day a year. But highs in the 90s can happen from May to September.

Most summer days have maximum temperatures of over 80 degrees, while nighttime lows remain above 70.

Days per month in Atlanta of at least 70, 80 or 90 °F
	70 °F 21 °C	80 °F 27 °C	90 °F 32 °C
January	2	0	0
February	4	0	0
March	12	2	0
April	21	8	0
May	29	20	2
June	30	27	10
July	31	30	16
August	31	30	14
September	29	22	5
October	23	8	0
November	9	1	0
December	3	0	0
Year	222	147	47

Average number of days monthly in Atlanta that drop to 50, 60 or 70 °F or lower
	50 °F 10 °C	60 °F 16 °C	70 °F 21 °C
January	29	31	31
February	25	28	28
March	22	30	31
April	12	25	30
May	3	12	30
June	0	2	20
July	0	0	9
August	0	0	11
September	1	6	23
October	10	23	31
November	23	29	30
December	27	31	31
Year	150	214	304

How Often Atlanta Has Cold Temperatures

It can get cold in Atlanta, though that doesn't occur often. The city averages four night a year when the thermometer plummets to 20 °F or lower. But it doesn't normally get colder than 10 °F.

Even so, Atlanta's winter weather can be highly variable. It's not uncommon for a night in December or January to get no colder than 50 °F.

Overall, freezing temperatures happen during 36 nights a year on average, from November to March. Once a year, the temperature in Atlanta doesn't make it above freezing all day.

Atlanta Temperatures: Averages by Month

Days of Hot Weather in Atlanta

How Often Atlanta Has Cold Temperatures

References

More on Weather in Georgia