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Monthly climate in Southport, North Carolina, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Southport 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 -6 °C (21 °F) or can rise to as high as 32 °C (89 °F).The average annual precipitation amounts to about 1475 mm (58.1 inches) and receives 136 rainy days on the 1 mm (0.04 inches) threshold annually.Southport enjoys an average of 3353 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 Southport, North Carolina, United States §

The warmest months in Southport are July, August and September, 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 12 °C (50 - 54 °F) throughout the day. On average each year, Southport experiences 122 days above 25 °C (77.0 °F) and 4 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Southport, North 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 21°C
(71°F)		 21°C
(71°F)		 23°C
(74°F)		 26°C
(79°F)		 32°C
(89°F)		 31°C
(88°F)		 31°C
(88°F)		 32°C
(89°F)		 32°C
(89°F)		 30°C
(86°F)		 26°C
(79°F)		 23°C
(73°F)
Mean maximum 20°C
(68°F)		 20°C
(69°F)		 22°C
(71°F)		 25°C
(76°F)		 28°C
(83°F)		 30°C
(86°F)		 31°C
(87°F)		 31°C
(88°F)		 30°C
(87°F)		 28°C
(83°F)		 24°C
(76°F)		 21°C
(70°F)
Average high 13°C
(56°F)		 15°C
(59°F)		 17°C
(62°F)		 20°C
(69°F)		 24°C
(76°F)		 27°C
(81°F)		 29°C
(84°F)		 29°C
(84°F)		 27°C
(82°F)		 24°C
(76°F)		 18°C
(65°F)		 15°C
(60°F)
Daily mean 10°C
(50°F)		 12°C
(54°F)		 14°C
(57°F)		 18°C
(64°F)		 22°C
(72°F)		 25°C
(78°F)		 27°C
(81°F)		 27°C
(80°F)		 25°C
(78°F)		 22°C
(71°F)		 15°C
(59°F)		 12°C
(54°F)
Average low 7°C
(45°F)		 9°C
(48°F)		 10°C
(51°F)		 15°C
(59°F)		 20°C
(68°F)		 23°C
(74°F)		 25°C
(77°F)		 25°C
(77°F)		 23°C
(74°F)		 19°C
(67°F)		 12°C
(54°F)		 9°C
(49°F)
Mean minimum -3°C
(28°F)		 1°C
(33°F)		 1°C
(34°F)		 6°C
(44°F)		 12°C
(54°F)		 19°C
(66°F)		 22°C
(71°F)		 22°C
(72°F)		 19°C
(66°F)		 11°C
(52°F)		 4°C
(40°F)		 1°C
(35°F)
Minimum -6°C
(21°F)		 -1°C
(30°F)		 -1°C
(31°F)		 4°C
(40°F)		 11°C
(52°F)		 15°C
(59°F)		 20°C
(69°F)		 20°C
(69°F)		 14°C
(58°F)		 7°C
(45°F)		 2°C
(36°F)		 -1°C
(30°F)

Compare climate in Southport with other places

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

Monthly average precipitation in Southport, North Carolina, United States §

Southport usually has the most precipitation in July, August and September, with an average of 16 rainy days and 193 mm (7.6 inches) of precipitation per month.The driest months in Southport are January, March and October. On average, 71 mm (2.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Southport, North 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) 70 (2.8) 108 (4.3) 75 (2.9) 95 (3.7) 107 (4.2) 138 (5.4) 163 (6.4) 204 (8.0) 212 (8.4) 67 (2.6) 104 (4.1) 132 (5.2)
Average precipitation days (≥ 1 mm) 9 10 9 8 8 16 16 21 12 8 9 10

Monthly sunshine hours in Southport, North Carolina, United States §

The sunniest months in Southport are May, June and July, when the sun shines an average of 10 hours 53 minutes a day.Least sunny months in Southport: January, February and December receive an average of 6 hours 38 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Southport, North 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 183 210 279 311 342 320 338 319 299 296 240 211
Mean daily daylight hours 10h 9m 10h 57m 11h 59m 13h 3m 13h 56m 14h 22m 14h 8m 13h 20m 12h 20m 11h 17m 10h 22m 9h 54m

Solar UV radiation in Southport, North Carolina, United States §

Southport 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 Southport UV Index data.

Average daily maximum UV levels by month for Southport, North 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