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Monthly climate in Duluth, Georgia, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Duluth features a humid subtropical climate (Cfa).Temperatures typically range between 7 °C (45 °F) and 26 °C (79 °F) through the year, but rarely can drop to -11 °C (12 °F) or can rise to as high as 36 °C (98 °F).The average annual precipitation amounts to about 1545 mm (60.8 inches) and receives 144 rainy days on the 1 mm (0.04 inches) threshold annually.Duluth enjoys an average of 3104 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 Duluth, Georgia, United States §

The warmest months in Duluth are June, July and August, with daily mean temperatures ranging from 24 to 26 °C (76 - 79 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 7 to 10 °C (45 - 50 °F) throughout the day. On average each year, Duluth experiences 138 days above 25 °C (77.0 °F) and 25 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Duluth, 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 24°C
(76°F)		 26°C
(79°F)		 29°C
(84°F)		 29°C
(84°F)		 34°C
(94°F)		 33°C
(91°F)		 34°C
(94°F)		 35°C
(96°F)		 35°C
(96°F)		 36°C
(98°F)		 26°C
(79°F)		 23°C
(74°F)
Mean maximum 21°C
(71°F)		 24°C
(76°F)		 26°C
(80°F)		 28°C
(82°F)		 32°C
(89°F)		 31°C
(89°F)		 33°C
(92°F)		 33°C
(92°F)		 32°C
(90°F)		 31°C
(88°F)		 24°C
(76°F)		 21°C
(71°F)
Average high 12°C
(54°F)		 15°C
(60°F)		 18°C
(65°F)		 22°C
(72°F)		 26°C
(80°F)		 29°C
(84°F)		 31°C
(87°F)		 30°C
(86°F)		 28°C
(83°F)		 24°C
(75°F)		 17°C
(63°F)		 14°C
(57°F)
Daily mean 7°C
(45°F)		 10°C
(50°F)		 13°C
(56°F)		 16°C
(62°F)		 21°C
(71°F)		 24°C
(76°F)		 26°C
(79°F)		 25°C
(78°F)		 23°C
(74°F)		 18°C
(65°F)		 11°C
(52°F)		 9°C
(48°F)
Average low 3°C
(37°F)		 5°C
(42°F)		 8°C
(46°F)		 11°C
(51°F)		 16°C
(62°F)		 20°C
(69°F)		 22°C
(72°F)		 22°C
(71°F)		 19°C
(66°F)		 14°C
(57°F)		 6°C
(43°F)		 4°C
(40°F)
Mean minimum -7°C
(21°F)		 -3°C
(26°F)		 -3°C
(28°F)		 2°C
(35°F)		 9°C
(48°F)		 16°C
(60°F)		 19°C
(66°F)		 18°C
(65°F)		 13°C
(56°F)		 4°C
(40°F)		 -2°C
(28°F)		 -4°C
(25°F)
Minimum -11°C
(12°F)		 -5°C
(22°F)		 -5°C
(24°F)		 0°C
(33°F)		 5°C
(41°F)		 13°C
(56°F)		 16°C
(62°F)		 16°C
(62°F)		 10°C
(50°F)		 -0°C
(32°F)		 -6°C
(22°F)		 -6°C
(21°F)

Compare climate in Duluth with other places

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

Monthly average precipitation in Duluth, Georgia, United States §

Duluth usually has the most precipitation in February, March and August, with an average of 14 rainy days and 153 mm (6.0 inches) of precipitation per month.The driest months in Duluth are January, September and November. On average, 103 mm (4.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Duluth, 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) 112 (4.4) 160 (6.3) 142 (5.6) 129 (5.1) 116 (4.6) 134 (5.3) 118 (4.7) 156 (6.1) 115 (4.5) 140 (5.5) 83 (3.3) 141 (5.5)
Average precipitation days (≥ 1 mm) 9 14 13 9 11 16 18 16 10 9 8 11

Monthly sunshine hours in Duluth, Georgia, United States §

The sunniest months in Duluth are May, July and August, when the sun shines an average of 10 hours 21 minutes a day.Least sunny months in Duluth: January, February and December receive an average of 5 hours 44 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Duluth, 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 165 166 236 277 310 309 338 313 293 263 238 190
Mean daily daylight hours 10h 9m 10h 58m 11h 59m 13h 2m 13h 56m 14h 22m 14h 7m 13h 20m 12h 20m 11h 17m 10h 22m 9h 54m

Solar UV radiation in Duluth, Georgia, United States §

Duluth 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 Duluth UV Index data.

Average daily maximum UV levels by month for Duluth, 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