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Monthly climate in Winnsboro, South Carolina, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Winnsboro features a humid subtropical climate (Cfa). Temperatures typically range between 8 °C (47 °F) and 27 °C (81 °F) through the year, but rarely can drop to -9 °C (15 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 1256 mm (49.4 inches) and receives 124 rainy days on the 1 mm (0.04 inches) threshold annually. Winnsboro enjoys an average of 3122 hours of sunshine throughout the year, and daylight varies from 9 hours 52 minutes to 14 hours 25 minutes per day.

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

The warmest months in Winnsboro 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 8 to 11 °C (47 - 52 °F) throughout the day. On average each year, Winnsboro experiences 157 days above 25 °C (77.0 °F) and 19 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Winnsboro, 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 26°C
(79°F)		 27°C
(81°F)		 30°C
(86°F)		 30°C
(87°F)		 37°C
(98°F)		 37°C
(98°F)		 36°C
(97°F)		 35°C
(96°F)		 36°C
(96°F)		 37°C
(99°F)		 29°C
(84°F)		 27°C
(80°F)
Mean maximum 23°C
(73°F)		 25°C
(78°F)		 28°C
(82°F)		 30°C
(86°F)		 34°C
(93°F)		 34°C
(93°F)		 36°C
(96°F)		 35°C
(95°F)		 34°C
(94°F)		 33°C
(91°F)		 27°C
(80°F)		 23°C
(73°F)
Average high 13°C
(56°F)		 17°C
(62°F)		 19°C
(66°F)		 24°C
(75°F)		 28°C
(83°F)		 30°C
(87°F)		 32°C
(90°F)		 31°C
(89°F)		 30°C
(86°F)		 25°C
(78°F)		 18°C
(64°F)		 15°C
(59°F)
Daily mean 8°C
(47°F)		 11°C
(52°F)		 13°C
(56°F)		 18°C
(64°F)		 22°C
(72°F)		 25°C
(78°F)		 27°C
(81°F)		 26°C
(80°F)		 24°C
(76°F)		 20°C
(68°F)		 12°C
(54°F)		 10°C
(50°F)
Average low 4°C
(39°F)		 6°C
(43°F)		 8°C
(47°F)		 12°C
(54°F)		 17°C
(63°F)		 21°C
(70°F)		 23°C
(73°F)		 22°C
(73°F)		 20°C
(68°F)		 15°C
(59°F)		 7°C
(45°F)		 5°C
(41°F)
Mean minimum -5°C
(24°F)		 -3°C
(27°F)		 -3°C
(28°F)		 3°C
(37°F)		 8°C
(47°F)		 16°C
(61°F)		 20°C
(68°F)		 18°C
(65°F)		 14°C
(57°F)		 6°C
(43°F)		 -2°C
(29°F)		 -2°C
(28°F)
Minimum -9°C
(15°F)		 -4°C
(25°F)		 -4°C
(25°F)		 0°C
(33°F)		 7°C
(45°F)		 13°C
(56°F)		 18°C
(64°F)		 16°C
(62°F)		 10°C
(51°F)		 2°C
(35°F)		 -4°C
(26°F)		 -5°C
(23°F)

Compare climate in Winnsboro with other places

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

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

Winnsboro usually has the most precipitation in July, August and December, with an average of 13 rainy days and 128 mm (5.0 inches) of precipitation per month. The driest months in Winnsboro are March, October and November. On average, 82 mm (3.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Winnsboro, 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) 89 (3.5) 124 (4.9) 83 (3.3) 101 (4.0) 112 (4.4) 101 (4.0) 124 (4.9) 129 (5.1) 102 (4.0) 77 (3.0) 85 (3.3) 131 (5.1)
Average precipitation days (≥ 1 mm) 9 10 11 8 10 12 15 16 8 8 8 9

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

The sunniest months in Winnsboro are June, July and August, when the sun shines an average of 10 hours 27 minutes a day. Least sunny months in Winnsboro: January, February and December receive an average of 6 hours 0 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Winnsboro, 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 165 180 239 280 303 311 342 308 291 267 231 201
Mean daily daylight hours 10h 7m 10h 56m 11h 59m 13h 4m 13h 58m 14h 25m 14h 10m 13h 22m 12h 20m 11h 16m 10h 20m 9h 52m

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

Winnsboro experiences the highest level of ultraviolet (UV) radiation in April, June and July, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / 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 Winnsboro UV Index data.

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

Detailed Monthly Weather Insights for Winnsboro, South Carolina, United States

Discover in-depth weather details for every month in Winnsboro. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Winnsboro's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.