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Monthly climate in North Decatur, Georgia, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification North Decatur features a humid subtropical climate (Cfa).Temperatures typically range between 7 °C (46 °F) and 26 °C (80 °F) through the year, but rarely can drop to -10 °C (14 °F) or can rise to as high as 36 °C (98 °F).The average annual precipitation amounts to about 1440 mm (56.7 inches) and receives 139 rainy days on the 1 mm (0.04 inches) threshold annually.North Decatur enjoys an average of 3145 hours of sunshine throughout the year, and daylight varies from 9 hours 56 minutes to 14 hours 20 minutes per day.

Monthly average temperatures in North Decatur, Georgia, United States §

The warmest months in North Decatur are June, July and August, with daily mean temperatures ranging from 24 to 26 °C (76 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 7 to 11 °C (46 - 51 °F) throughout the day. On average each year, North Decatur experiences 143 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 North Decatur, 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 25°C
(77°F)		 26°C
(80°F)		 29°C
(85°F)		 29°C
(84°F)		 34°C
(94°F)		 33°C
(92°F)		 35°C
(95°F)		 35°C
(96°F)		 36°C
(97°F)		 36°C
(98°F)		 26°C
(79°F)		 24°C
(75°F)
Mean maximum 22°C
(72°F)		 25°C
(77°F)		 27°C
(80°F)		 28°C
(83°F)		 32°C
(90°F)		 32°C
(89°F)		 34°C
(93°F)		 34°C
(93°F)		 33°C
(91°F)		 31°C
(88°F)		 25°C
(77°F)		 22°C
(72°F)
Average high 13°C
(55°F)		 16°C
(61°F)		 19°C
(66°F)		 22°C
(73°F)		 27°C
(80°F)		 29°C
(85°F)		 31°C
(88°F)		 30°C
(87°F)		 29°C
(84°F)		 24°C
(76°F)		 17°C
(63°F)		 14°C
(58°F)
Daily mean 7°C
(46°F)		 11°C
(51°F)		 13°C
(56°F)		 17°C
(62°F)		 22°C
(71°F)		 24°C
(76°F)		 26°C
(80°F)		 26°C
(79°F)		 24°C
(75°F)		 19°C
(66°F)		 11°C
(52°F)		 9°C
(48°F)
Average low 3°C
(37°F)		 6°C
(43°F)		 8°C
(47°F)		 11°C
(52°F)		 17°C
(62°F)		 20°C
(69°F)		 22°C
(72°F)		 22°C
(72°F)		 19°C
(67°F)		 14°C
(58°F)		 6°C
(43°F)		 5°C
(41°F)
Mean minimum -6°C
(21°F)		 -3°C
(27°F)		 -3°C
(27°F)		 2°C
(36°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
(29°F)		 -4°C
(25°F)
Minimum -10°C
(14°F)		 -5°C
(23°F)		 -5°C
(23°F)		 0°C
(33°F)		 5°C
(41°F)		 13°C
(56°F)		 16°C
(61°F)		 16°C
(62°F)		 10°C
(50°F)		 0°C
(32°F)		 -5°C
(23°F)		 -6°C
(21°F)

Compare climate in North Decatur with other places

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

Monthly average precipitation in North Decatur, Georgia, United States §

North Decatur usually has the most precipitation in February, August and December, with an average of 13 rainy days and 143 mm (5.6 inches) of precipitation per month.The driest months in North Decatur are January, May and November. On average, 95 mm (3.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in North Decatur, 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) 105 (4.1) 147 (5.8) 129 (5.1) 121 (4.8) 100 (4.0) 127 (5.0) 113 (4.4) 145 (5.7) 113 (4.4) 123 (4.9) 80 (3.1) 137 (5.4)
Average precipitation days (≥ 1 mm) 9 13 13 8 11 16 18 15 9 8 8 11

Monthly sunshine hours in North Decatur, Georgia, United States §

The sunniest months in North Decatur are May, July and August, when the sun shines an average of 10 hours 26 minutes a day.Least sunny months in North Decatur: January, February and December receive an average of 5 hours 52 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in North Decatur, 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 168 172 242 282 314 309 338 317 296 269 240 192
Mean daily daylight hours 10h 11m 10h 58m 11h 59m 13h 2m 13h 55m 14h 20m 14h 6m 13h 20m 12h 20m 11h 17m 10h 23m 9h 56m

Solar UV radiation in North Decatur, Georgia, United States §

North Decatur experiences the highest level of ultraviolet (UV) radiation in April, May 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 North Decatur UV Index data.

Average daily maximum UV levels by month for North Decatur, 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 11 11 11 11 10 9 8 6 4