Keowee Key weather by month
What a typical year looks like in Keowee Key, South Carolina: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Pickens, 19 km from Keowee Key; records cover 1941–2026.
The year at a glance
- Precipitation a year
- 56.7 in1439 mm
- Snow a year
- 1 in2.5 cm
- Last spring freeze
- Apr 7
- First fall freeze
- Oct 30
- Heating degree days
- 3,227
- Cooling degree days
- 1,643
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 16°−9° (heating, 99%) and 98°37° (cooling, 1%).
Month by month
Keowee Key in January
Highs average 53°11° and lows 30°−1°, with 5.2 in133 mm of precipitation and 0.4 in1 cm of snow in a typical January.
- Record high
- 80°27° (1949)
- Record low
- −6°−21° (1985)
- Heating degree days
- 730
- Cooling degree days
- 0
Keowee Key in February
Highs average 56°13° and lows 33°0°, with 4.5 in115 mm of precipitation and 0.2 in0.5 cm of snow in a typical February.
- Record high
- 82°28° (2025)
- Record low
- 0°−18° (1958)
- Heating degree days
- 577
- Cooling degree days
- 0
Keowee Key in March
Highs average 64°18° and lows 39°4°, with 4.9 in125 mm of precipitation in a typical March.
- Record high
- 89°32° (2007)
- Record low
- 7°−14° (1943)
- Heating degree days
- 427
- Cooling degree days
- 4
Keowee Key in April
Highs average 73°23° and lows 47°8°, with 4.7 in119 mm of precipitation in a typical April.
- Record high
- 93°34° (1946)
- Record low
- 24°−4° (1950)
- Heating degree days
- 188
- Cooling degree days
- 34
Keowee Key in May
Highs average 80°27° and lows 57°14°, with 4 in101 mm of precipitation in a typical May.
- Record high
- 98°37° (1953)
- Record low
- 34°1° (1947)
- Heating degree days
- 47
- Cooling degree days
- 146
Keowee Key in June
Highs average 86°30° and lows 65°18°, with 5 in128 mm of precipitation in a typical June.
- Record high
- 102°39° (1952)
- Record low
- 43°6° (1946)
- Heating degree days
- 2
- Cooling degree days
- 325
Keowee Key in July
Highs average 90°32° and lows 69°21°, with 4.8 in121 mm of precipitation in a typical July.
- Record high
- 106°41° (1993)
- Record low
- 51°11° (1964)
- Heating degree days
- 0
- Cooling degree days
- 445
Keowee Key in August
Highs average 88°31° and lows 68°20°, with 5.1 in129 mm of precipitation in a typical August.
- Record high
- 105°41° (1983)
- Record low
- 52°11° (1942)
- Heating degree days
- 0
- Cooling degree days
- 408
Keowee Key in September
Highs average 83°28° and lows 62°17°, with 4.5 in115 mm of precipitation in a typical September.
- Record high
- 101°38° (1954)
- Record low
- 35°2° (1967)
- Heating degree days
- 11
- Cooling degree days
- 232
Keowee Key in OctoberThis month
Highs average 73°23° and lows 49°10°, with 4.1 in103 mm of precipitation in a typical October.
- Record high
- 97°36° (1954)
- Record low
- 26°−3° (1943)
- Heating degree days
- 160
- Cooling degree days
- 45
Keowee Key in November
Highs average 63°17° and lows 38°3°, with 4.2 in107 mm of precipitation in a typical November.
- Record high
- 85°29° (1958)
- Record low
- 9°−13° (1950)
- Heating degree days
- 434
- Cooling degree days
- 4
Keowee Key in December
Highs average 55°13° and lows 33°1°, with 5.7 in144 mm of precipitation and 0.4 in1 cm of snow in a typical December.
- Record high
- 78°26° (1955)
- Record low
- 0°−18° (1962)
- Heating degree days
- 651
- Cooling degree days
- 0