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Monthly climate in Cumming, Georgia, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Cumming features a humid subtropical climate (Cfa).Temperatures typically range between 7 °C (44 °F) and 26 °C (78 °F) through the year, but rarely can drop to -13 °C (10 °F) or can rise to as high as 36 °C (97 °F).The average annual precipitation amounts to about 1668 mm (65.7 inches) and receives 150 rainy days on the 1 mm (0.04 inches) threshold annually.Cumming enjoys an average of 3074 hours of sunshine throughout the year, and daylight varies from 9 hours 54 minutes to 14 hours 22 minutes per day.

Monthly average temperatures in Cumming, Georgia, United States §

The warmest months in Cumming are June, July and August, with daily mean temperatures ranging from 24 to 26 °C (75 - 78 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 7 to 10 °C (44 - 49 °F) throughout the day. On average each year, Cumming experiences 131 days above 25 °C (77.0 °F) and 28 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Cumming, Georgia, 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 23°C
(74°F)		 25°C
(78°F)		 29°C
(84°F)		 29°C
(84°F)		 34°C
(93°F)		 33°C
(92°F)		 33°C
(92°F)		 34°C
(93°F)		 35°C
(94°F)		 36°C
(97°F)		 25°C
(78°F)		 23°C
(73°F)
Mean maximum 21°C
(70°F)		 24°C
(75°F)		 26°C
(79°F)		 28°C
(82°F)		 32°C
(89°F)		 31°C
(88°F)		 33°C
(91°F)		 33°C
(91°F)		 32°C
(90°F)		 31°C
(87°F)		 24°C
(75°F)		 21°C
(70°F)
Average high 11°C
(53°F)		 15°C
(59°F)		 18°C
(64°F)		 22°C
(71°F)		 26°C
(79°F)		 28°C
(83°F)		 30°C
(87°F)		 30°C
(85°F)		 28°C
(83°F)		 23°C
(74°F)		 16°C
(62°F)		 13°C
(56°F)
Daily mean 7°C
(44°F)		 10°C
(49°F)		 12°C
(55°F)		 16°C
(61°F)		 21°C
(70°F)		 24°C
(75°F)		 26°C
(78°F)		 25°C
(77°F)		 23°C
(73°F)		 18°C
(65°F)		 11°C
(51°F)		 8°C
(47°F)
Average low 2°C
(36°F)		 5°C
(41°F)		 7°C
(46°F)		 10°C
(51°F)		 16°C
(61°F)		 20°C
(68°F)		 22°C
(71°F)		 21°C
(70°F)		 19°C
(66°F)		 13°C
(57°F)		 5°C
(42°F)		 4°C
(39°F)
Mean minimum -7°C
(20°F)		 -3°C
(26°F)		 -3°C
(28°F)		 1°C
(35°F)		 8°C
(47°F)		 15°C
(60°F)		 18°C
(65°F)		 18°C
(64°F)		 13°C
(55°F)		 4°C
(39°F)		 -2°C
(28°F)		 -4°C
(25°F)
Minimum -13°C
(10°F)		 -5°C
(23°F)		 -4°C
(25°F)		 -0°C
(32°F)		 4°C
(39°F)		 13°C
(56°F)		 16°C
(62°F)		 16°C
(61°F)		 10°C
(50°F)		 -0°C
(32°F)		 -6°C
(21°F)		 -7°C
(21°F)

Compare climate in Cumming with other places

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

Monthly average precipitation in Cumming, Georgia, United States §

Cumming usually has the most precipitation in February, March and August, with an average of 15 rainy days and 168 mm (6.6 inches) of precipitation per month.The driest months in Cumming are July, September and November. On average, 109 mm (4.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Cumming, Georgia, 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) 124 (4.9) 182 (7.2) 159 (6.2) 139 (5.5) 131 (5.2) 135 (5.3) 120 (4.7) 164 (6.5) 116 (4.6) 156 (6.1) 90 (3.5) 151 (6.0)
Average precipitation days (≥ 1 mm) 10 15 14 9 11 17 17 16 10 10 9 12

Monthly sunshine hours in Cumming, Georgia, United States §

The sunniest months in Cumming are June, July and August, when the sun shines an average of 10 hours 25 minutes a day.Least sunny months in Cumming: January, February and December receive an average of 5 hours 37 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Cumming, Georgia, 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 163 163 232 272 305 311 335 311 292 262 237 185
Mean daily daylight hours 10h 9m 10h 57m 11h 59m 13h 3m 13h 56m 14h 22m 14h 8m 13h 21m 12h 20m 11h 16m 10h 21m 9h 54m

Solar UV radiation in Cumming, Georgia, United States §

Cumming experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 11 - 11, which corresponds to the Extreme category of sun exposure.January, November and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Cumming UV Index data.

Average daily maximum UV levels by month for Cumming, Georgia, 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) 4 7 8 10 11 11 11 10 9 8 6 4