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Monthly climate in Atlanta, Indiana, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Atlanta features a humid continental climate (Dfa).Temperatures typically range between -2 °C (29 °F) and 24 °C (76 °F) through the year, but rarely can drop to -28 °C (-17 °F) or can rise to as high as 34 °C (94 °F).The average annual precipitation amounts to about 1166 mm (45.9 inches) and receives 133 rainy days on the 1 mm (0.04 inches) threshold annually.Atlanta enjoys an average of 2879 hours of sunshine throughout the year, and daylight varies from 9 hours 20 minutes to 14 hours 58 minutes per day.

Monthly average temperatures in Atlanta, Indiana, United States §

The warmest months in Atlanta are June, July and August, with daily mean temperatures ranging from 23 to 24 °C (73 - 76 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -2 to 2 °C (29 - 35 °F) throughout the day. On average each year, Atlanta experiences 96 days above 25 °C (77.0 °F) and 94 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Atlanta, Indiana, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 18°C
(64°F)		 22°C
(72°F)		 24°C
(75°F)		 29°C
(84°F)		 34°C
(93°F)		 33°C
(92°F)		 33°C
(92°F)		 34°C
(94°F)		 33°C
(91°F)		 33°C
(91°F)		 26°C
(79°F)		 17°C
(64°F)
Mean maximum 14°C
(58°F)		 17°C
(63°F)		 21°C
(69°F)		 27°C
(80°F)		 31°C
(88°F)		 33°C
(91°F)		 33°C
(91°F)		 32°C
(90°F)		 32°C
(90°F)		 30°C
(85°F)		 19°C
(67°F)		 16°C
(61°F)
Average high 2°C
(36°F)		 4°C
(40°F)		 11°C
(51°F)		 16°C
(61°F)		 23°C
(73°F)		 27°C
(82°F)		 29°C
(84°F)		 28°C
(82°F)		 26°C
(79°F)		 19°C
(67°F)		 10°C
(49°F)		 6°C
(43°F)
Daily mean -2°C
(29°F)		 -0°C
(32°F)		 5°C
(42°F)		 11°C
(52°F)		 18°C
(64°F)		 23°C
(73°F)		 24°C
(76°F)		 23°C
(73°F)		 20°C
(69°F)		 14°C
(57°F)		 5°C
(41°F)		 2°C
(35°F)
Average low -5°C
(23°F)		 -4°C
(25°F)		 1°C
(34°F)		 6°C
(43°F)		 13°C
(55°F)		 18°C
(64°F)		 20°C
(68°F)		 18°C
(65°F)		 15°C
(60°F)		 9°C
(49°F)		 1°C
(34°F)		 -2°C
(28°F)
Mean minimum -19°C
(-3°F)		 -16°C
(3°F)		 -9°C
(15°F)		 -4°C
(25°F)		 3°C
(37°F)		 12°C
(54°F)		 14°C
(57°F)		 12°C
(54°F)		 8°C
(46°F)		 -0°C
(32°F)		 -8°C
(18°F)		 -14°C
(7°F)
Minimum -28°C
(-17°F)		 -21°C
(-6°F)		 -16°C
(3°F)		 -7°C
(20°F)		 -1°C
(30°F)		 10°C
(50°F)		 13°C
(56°F)		 11°C
(51°F)		 4°C
(40°F)		 -2°C
(29°F)		 -16°C
(4°F)		 -22°C
(-8°F)

Compare climate in Atlanta with other places

Compare temperature, precipitation, sunshine, UV index in Atlanta, Indiana, United States with other places around the world.

Monthly average precipitation in Atlanta, Indiana, United States §

Atlanta usually has the most precipitation in March, May and June, with an average of 13 rainy days and 123 mm (4.8 inches) of precipitation per month.The driest months in Atlanta are January, September and December. On average, 74 mm (2.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Atlanta, Indiana, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 78 (3.1) 87 (3.4) 113 (4.4) 93 (3.7) 143 (5.6) 113 (4.4) 106 (4.2) 101 (4.0) 75 (2.9) 105 (4.1) 83 (3.3) 69 (2.7)
Average precipitation days (≥ 1 mm) 8 11 13 11 15 13 12 10 9 12 9 10

Monthly sunshine hours in Atlanta, Indiana, United States §

The sunniest months in Atlanta are June, July and August, when the sun shines an average of 10 hours 54 minutes a day.Least sunny months in Atlanta: January, February and December receive an average of 4 hours 53 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Atlanta, Indiana, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 113 162 218 236 275 325 347 330 286 227 183 170
Mean daily daylight hours 9h 39m 10h 40m 11h 58m 13h 18m 14h 25m 14h 58m 14h 40m 13h 40m 12h 24m 11h 4m 9h 55m 9h 20m

Solar UV radiation in Atlanta, Indiana, United States §

Atlanta experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure.January, November and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Atlanta UV Index data.

Average daily maximum UV levels by month for Atlanta, Indiana, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 3 5 6 9 10 11 10 9 8 6 4 2