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Monthly climate in Georgetown, South Carolina, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Georgetown features a humid subtropical climate (Cfa).Temperatures typically range between 10 °C (50 °F) and 27 °C (81 °F) through the year, but rarely can drop to -10 °C (14 °F) or can rise to as high as 35 °C (95 °F).The average annual precipitation amounts to about 1492 mm (58.8 inches) and receives 142 rainy days on the 1 mm (0.04 inches) threshold annually.Georgetown enjoys an average of 3352 hours of sunshine throughout the year, and daylight varies from 9 hours 58 minutes to 14 hours 18 minutes per day.

Monthly average temperatures in Georgetown, South Carolina, United States §

The warmest months in Georgetown are June, July and August, with daily mean temperatures ranging from 25 to 27 °C (78 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 10 to 13 °C (50 - 55 °F) throughout the day. On average each year, Georgetown experiences 149 days above 25 °C (77.0 °F) and 6 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Georgetown, South Carolina, 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
(78°F)		 27°C
(82°F)		 29°C
(84°F)		 35°C
(95°F)		 34°C
(94°F)		 33°C
(92°F)		 34°C
(93°F)		 33°C
(92°F)		 33°C
(91°F)		 28°C
(83°F)		 24°C
(75°F)
Mean maximum 23°C
(73°F)		 24°C
(76°F)		 26°C
(78°F)		 28°C
(82°F)		 31°C
(89°F)		 32°C
(90°F)		 33°C
(92°F)		 33°C
(92°F)		 32°C
(90°F)		 30°C
(87°F)		 26°C
(79°F)		 23°C
(73°F)
Average high 14°C
(58°F)		 17°C
(63°F)		 19°C
(66°F)		 23°C
(73°F)		 27°C
(80°F)		 29°C
(84°F)		 30°C
(87°F)		 30°C
(86°F)		 29°C
(84°F)		 25°C
(78°F)		 19°C
(66°F)		 16°C
(61°F)
Daily mean 10°C
(50°F)		 13°C
(55°F)		 14°C
(58°F)		 18°C
(65°F)		 23°C
(73°F)		 25°C
(78°F)		 27°C
(81°F)		 27°C
(80°F)		 25°C
(77°F)		 21°C
(71°F)		 14°C
(58°F)		 12°C
(53°F)
Average low 6°C
(43°F)		 9°C
(48°F)		 10°C
(50°F)		 14°C
(58°F)		 19°C
(67°F)		 22°C
(73°F)		 24°C
(76°F)		 24°C
(76°F)		 22°C
(72°F)		 18°C
(64°F)		 10°C
(50°F)		 8°C
(46°F)
Mean minimum -4°C
(26°F)		 -1°C
(31°F)		 -0°C
(32°F)		 5°C
(41°F)		 11°C
(52°F)		 18°C
(64°F)		 21°C
(69°F)		 21°C
(70°F)		 17°C
(62°F)		 9°C
(49°F)		 2°C
(35°F)		 -0°C
(32°F)
Minimum -10°C
(14°F)		 -2°C
(28°F)		 -2°C
(28°F)		 2°C
(35°F)		 8°C
(48°F)		 14°C
(57°F)		 19°C
(66°F)		 20°C
(67°F)		 13°C
(55°F)		 5°C
(41°F)		 0°C
(33°F)		 -4°C
(26°F)

Compare climate in Georgetown with other places

Compare temperature, precipitation, sunshine, UV index in Georgetown, South Carolina, United States with other places around the world.

Monthly average precipitation in Georgetown, South Carolina, United States §

Georgetown usually has the most precipitation in July, August and September, with an average of 17 rainy days and 198 mm (7.8 inches) of precipitation per month.The driest months in Georgetown are January, March and October. On average, 68 mm (2.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Georgetown, South Carolina, 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) 69 (2.7) 92 (3.6) 75 (2.9) 101 (4.0) 112 (4.4) 155 (6.1) 180 (7.1) 229 (9.0) 185 (7.3) 61 (2.4) 88 (3.5) 147 (5.8)
Average precipitation days (≥ 1 mm) 8 10 9 8 9 17 19 21 13 8 10 10

Monthly sunshine hours in Georgetown, South Carolina, United States §

The sunniest months in Georgetown are May, July and August, when the sun shines an average of 10 hours 44 minutes a day.Least sunny months in Georgetown: January, February and December receive an average of 6 hours 43 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Georgetown, South Carolina, 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 185 209 273 308 337 319 342 319 300 291 246 216
Mean daily daylight hours 10h 12m 10h 59m 11h 59m 13h 1m 13h 53m 14h 18m 14h 4m 13h 19m 12h 19m 11h 18m 10h 24m 9h 58m

Solar UV radiation in Georgetown, South Carolina, United States §

Georgetown experiences the highest level of ultraviolet (UV) radiation in May, July and August, 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 Georgetown UV Index data.

Average daily maximum UV levels by month for Georgetown, South Carolina, 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 11 9 8 6 4