Winnsboro Mills weather by month
What a typical year looks like in Winnsboro Mills, South Carolina: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Winnsboro, 2 km from Winnsboro Mills; records cover 1896–2026.
The year at a glance
- Precipitation a year
- 45.1 in1146 mm
- Snow a year
- Rare
- Last spring freeze
- Mar 25
- First fall freeze
- Nov 7
- Heating degree days
- 3,106
- Cooling degree days
- 1,750
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 19°−7° (heating, 99%) and 99°37° (cooling, 1%).
Month by month
Winnsboro Mills in January
Highs average 53°12° and lows 31°−1°, with 4 in101 mm of precipitation in a typical January.
- Record high
- 84°29° (1923)
- Record low
- −1°−18° (1985)
- Heating degree days
- 713
- Cooling degree days
- 0
Winnsboro Mills in February
Highs average 57°14° and lows 33°1°, with 3.6 in91 mm of precipitation in a typical February.
- Record high
- 82°28° (1930)
- Record low
- −3°−19° (1899)
- Heating degree days
- 554
- Cooling degree days
- 1
Winnsboro Mills in March
Highs average 65°18° and lows 40°4°, with 4 in102 mm of precipitation in a typical March.
- Record high
- 92°33° (1907)
- Record low
- 5°−15° (1980)
- Heating degree days
- 403
- Cooling degree days
- 10
Winnsboro Mills in April
Highs average 74°23° and lows 48°9°, with 3.1 in79 mm of precipitation in a typical April.
- Record high
- 96°36° (1925)
- Record low
- 19°−7° (2012)
- Heating degree days
- 167
- Cooling degree days
- 50
Winnsboro Mills in May
Highs average 81°27° and lows 57°14°, with 3.1 in78 mm of precipitation in a typical May.
- Record high
- 102°39° (1941)
- Record low
- 29°−2° (1999)
- Heating degree days
- 41
- Cooling degree days
- 165
Winnsboro Mills in June
Highs average 88°31° and lows 65°18°, with 4.1 in103 mm of precipitation in a typical June.
- Record high
- 107°42° (1954)
- Record low
- 41°5° (1972)
- Heating degree days
- 3
- Cooling degree days
- 345
Winnsboro Mills in July
Highs average 91°33° and lows 69°21°, with 4.1 in104 mm of precipitation in a typical July.
- Record high
- 108°42° (1926)
- Record low
- 50°10° (2011)
- Heating degree days
- 0
- Cooling degree days
- 465
Winnsboro Mills in August
Highs average 89°32° and lows 68°20°, with 4.7 in119 mm of precipitation in a typical August.
- Record high
- 106°41° (2007)
- Record low
- 50°10° (1983)
- Heating degree days
- 0
- Cooling degree days
- 414
Winnsboro Mills in September
Highs average 83°29° and lows 62°17°, with 3.9 in99 mm of precipitation in a typical September.
- Record high
- 107°42° (1991)
- Record low
- 36°2° (1967)
- Heating degree days
- 14
- Cooling degree days
- 240
Winnsboro Mills in OctoberThis month
Highs average 74°23° and lows 50°10°, with 3.3 in84 mm of precipitation in a typical October.
- Record high
- 100°38° (1954)
- Record low
- 25°−4° (1976)
- Heating degree days
- 152
- Cooling degree days
- 53
Winnsboro Mills in November
Highs average 63°17° and lows 39°4°, with 3.2 in81 mm of precipitation in a typical November.
- Record high
- 88°31° (1961)
- Record low
- 11°−12° (1950)
- Heating degree days
- 421
- Cooling degree days
- 6
Winnsboro Mills in December
Highs average 55°13° and lows 34°1°, with 4.1 in105 mm of precipitation in a typical December.
- Record high
- 81°27° (1931)
- Record low
- −1°−18° (1962)
- Heating degree days
- 638
- Cooling degree days
- 1