Clemson University weather by month
What a typical year looks like in Clemson University, South Carolina: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Anderson Regional Airport, 23 km from Clemson University; records cover 1948–2026.
The year at a glance
- Precipitation a year
- 46.3 in1177 mm
- Snow a year
- Rare
- Last spring freeze
- Mar 28
- First fall freeze
- Nov 4
- Heating degree days
- 2,911
- Cooling degree days
- 1,807
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 98°37° (cooling, 1%).
Month by month
Clemson University in January
Highs average 53°12° and lows 33°1°, with 4.1 in104 mm of precipitation in a typical January.
- Record high
- 80°27° (1949)
- Record low
- −6°−21° (1985)
- Heating degree days
- 682
- Cooling degree days
- 0
Clemson University in February
Highs average 57°14° and lows 36°2°, with 3.9 in99 mm of precipitation in a typical February.
- Record high
- 81°27° (2019)
- Record low
- 3°−16° (1958)
- Heating degree days
- 520
- Cooling degree days
- 1
Clemson University in March
Highs average 65°18° and lows 42°6°, with 4.3 in110 mm of precipitation in a typical March.
- Record high
- 88°31° (2007)
- Record low
- 5°−15° (1980)
- Heating degree days
- 369
- Cooling degree days
- 8
Clemson University in April
Highs average 73°23° and lows 49°10°, with 3.6 in91 mm of precipitation in a typical April.
- Record high
- 93°34° (1980)
- Record low
- 24°−4° (1992)
- Heating degree days
- 154
- Cooling degree days
- 41
Clemson University in May
Highs average 81°27° and lows 58°15°, with 3.7 in95 mm of precipitation in a typical May.
- Record high
- 98°37° (1953)
- Record low
- 34°1° (1989)
- Heating degree days
- 32
- Cooling degree days
- 170
Clemson University in June
Highs average 87°31° and lows 67°19°, with 4.2 in106 mm of precipitation in a typical June.
- Record high
- 106°41° (1954)
- Record low
- 45°7° (1972)
- Heating degree days
- 1
- Cooling degree days
- 356
Clemson University in July
Highs average 90°32° and lows 70°21°, with 3.8 in96 mm of precipitation in a typical July.
- Record high
- 108°42° (1952)
- Record low
- 56°13° (2008)
- Heating degree days
- 0
- Cooling degree days
- 473
Clemson University in August
Highs average 89°32° and lows 70°21°, with 3.9 in99 mm of precipitation in a typical August.
- Record high
- 105°41° (1954)
- Record low
- 55°13° (1968)
- Heating degree days
- 0
- Cooling degree days
- 439
Clemson University in September
Highs average 83°28° and lows 63°17°, with 3.7 in95 mm of precipitation in a typical September.
- Record high
- 100°38° (1954)
- Record low
- 35°2° (1967)
- Heating degree days
- 9
- Cooling degree days
- 258
Clemson University in OctoberThis month
Highs average 73°23° and lows 51°11°, with 3.1 in79 mm of precipitation in a typical October.
- Record high
- 99°37° (1954)
- Record low
- 25°−4° (1952)
- Heating degree days
- 137
- Cooling degree days
- 55
Clemson University in November
Highs average 63°17° and lows 41°5°, with 3.6 in91 mm of precipitation in a typical November.
- Record high
- 87°31° (1961)
- Record low
- 12°−11° (1950)
- Heating degree days
- 397
- Cooling degree days
- 5
Clemson University in December
Highs average 55°13° and lows 36°2°, with 4.4 in112 mm of precipitation in a typical December.
- Record high
- 81°27° (1955)
- Record low
- −3°−19° (1983)
- Heating degree days
- 610
- Cooling degree days
- 1