Coosawhatchie weather by month
What a typical year looks like in Coosawhatchie, South Carolina: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at BEAUFORT MCAS, 24 km from Coosawhatchie; records cover 1945–2026.
The year at a glance
- Precipitation a year
- 45 in1144 mm
- Snow a year
- Rare
- Last spring freeze
- Feb 28
- First fall freeze
- Nov 28
- Heating degree days
- 1,732
- Cooling degree days
- 2,570
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 26°−3° (heating, 99%) and 98°37° (cooling, 1%).
Month by month
Coosawhatchie in January
Highs average 60°16° and lows 40°5°, with 2.9 in74 mm of precipitation in a typical January.
- Record high
- 83°28° (1975)
- Record low
- 5°−15° (1985)
- Heating degree days
- 463
- Cooling degree days
- 4
Coosawhatchie in February
Highs average 64°18° and lows 43°6°, with 2.9 in74 mm of precipitation in a typical February.
- Record high
- 87°31° (2018)
- Record low
- 16°−9° (1958)
- Heating degree days
- 337
- Cooling degree days
- 8
Coosawhatchie in March
Highs average 70°21° and lows 49°9°, with 3.1 in79 mm of precipitation in a typical March.
- Record high
- 91°33° (1982)
- Record low
- 21°−6° (1980)
- Heating degree days
- 210
- Cooling degree days
- 33
Coosawhatchie in April
Highs average 77°25° and lows 56°13°, with 3.1 in78 mm of precipitation in a typical April.
- Record high
- 94°34° (1986)
- Record low
- 32°0° (1983)
- Heating degree days
- 63
- Cooling degree days
- 108
Coosawhatchie in May
Highs average 84°29° and lows 64°18°, with 2.5 in64 mm of precipitation in a typical May.
- Record high
- 103°39° (2019)
- Record low
- 41°5° (1963)
- Heating degree days
- 6
- Cooling degree days
- 290
Coosawhatchie in June
Highs average 89°32° and lows 71°22°, with 5 in127 mm of precipitation in a typical June.
- Record high
- 106°41° (1985)
- Record low
- 51°11° (1984)
- Heating degree days
- 0
- Cooling degree days
- 453
Coosawhatchie in July
Highs average 92°33° and lows 75°24°, with 5.6 in141 mm of precipitation in a typical July.
- Record high
- 106°41° (1986)
- Record low
- 62°17° (1970)
- Heating degree days
- 0
- Cooling degree days
- 563
Coosawhatchie in August
Highs average 90°32° and lows 74°23°, with 6.5 in165 mm of precipitation in a typical August.
- Record high
- 103°39° (2008)
- Record low
- 57°14° (1986)
- Heating degree days
- 0
- Cooling degree days
- 533
Coosawhatchie in September
Highs average 86°30° and lows 70°21°, with 4 in102 mm of precipitation in a typical September.
- Record high
- 98°37° (1945)
- Record low
- 45°7° (1967)
- Heating degree days
- 1
- Cooling degree days
- 379
Coosawhatchie in OctoberThis month
Highs average 78°26° and lows 59°15°, with 3.8 in96 mm of precipitation in a typical October.
- Record high
- 94°34° (1986)
- Record low
- 31°−1° (1976)
- Heating degree days
- 45
- Cooling degree days
- 155
Coosawhatchie in November
Highs average 69°21° and lows 48°9°, with 2.5 in64 mm of precipitation in a typical November.
- Record high
- 88°31° (1961)
- Record low
- 19°−7° (1970)
- Heating degree days
- 219
- Cooling degree days
- 34
Coosawhatchie in December
Highs average 63°17° and lows 43°6°, with 3.2 in81 mm of precipitation in a typical December.
- Record high
- 82°28° (1972)
- Record low
- 11°−12° (1983)
- Heating degree days
- 388
- Cooling degree days
- 10