Olanta weather by month
What a typical year looks like in Olanta, South Carolina: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Cades 4 W, 16 km from Olanta; records cover 1994–2025.
The year at a glance
- Precipitation a year
- 52.5 in1334 mm
- Snow a year
- 1.6 in4.1 cm
- Last spring freeze
- Mar 28
- First fall freeze
- Nov 7
- Heating degree days
- 2,450
- Cooling degree days
- 2,150
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 100°38° (cooling, 1%).
Month by month
Olanta in January
Highs average 58°15° and lows 34°1°, with 3.7 in93 mm of precipitation and 0.4 in1 cm of snow in a typical January.
- Record high
- 82°28° (2002)
- Record low
- 11°−12° (2009)
- Heating degree days
- 592
- Cooling degree days
- 4
Olanta in February
Highs average 61°16° and lows 37°3°, with 3.7 in93 mm of precipitation and 0.8 in2 cm of snow in a typical February.
- Record high
- 87°31° (1996)
- Record low
- 12°−11° (1996)
- Heating degree days
- 455
- Cooling degree days
- 5
Olanta in March
Highs average 69°20° and lows 42°6°, with 3.6 in90 mm of precipitation and 0.2 in0.5 cm of snow in a typical March.
- Record high
- 90°32° (2007)
- Record low
- 17°−8° (2002)
- Heating degree days
- 320
- Cooling degree days
- 20
Olanta in April
Highs average 77°25° and lows 49°10°, with 3.3 in84 mm of precipitation in a typical April.
- Record high
- 94°34° (2002)
- Record low
- 23°−5° (2007)
- Heating degree days
- 124
- Cooling degree days
- 73
Olanta in May
Highs average 84°29° and lows 59°15°, with 4.8 in122 mm of precipitation in a typical May.
- Record high
- 101°38° (2019)
- Record low
- 37°3° (2008)
- Heating degree days
- 24
- Cooling degree days
- 218
Olanta in June
Highs average 90°32° and lows 67°20°, with 5.6 in141 mm of precipitation in a typical June.
- Record high
- 104°40° (2011)
- Record low
- 48°9° (1996)
- Heating degree days
- 1
- Cooling degree days
- 404
Olanta in July
Highs average 93°34° and lows 71°22°, with 6 in151 mm of precipitation in a typical July.
- Record high
- 105°41° (2002)
- Record low
- 57°14° (2001)
- Heating degree days
- 0
- Cooling degree days
- 516
Olanta in August
Highs average 91°33° and lows 70°21°, with 6.1 in154 mm of precipitation in a typical August.
- Record high
- 108°42° (1999)
- Record low
- 53°12° (2004)
- Heating degree days
- 0
- Cooling degree days
- 479
Olanta in September
Highs average 87°30° and lows 64°18°, with 5.1 in130 mm of precipitation in a typical September.
- Record high
- 100°38° (1998)
- Record low
- 43°6° (1999)
- Heating degree days
- 5
- Cooling degree days
- 311
Olanta in OctoberThis month
Highs average 78°26° and lows 52°11°, with 3.6 in92 mm of precipitation in a typical October.
- Record high
- 98°37° (2018)
- Record low
- 27°−3° (2001)
- Heating degree days
- 94
- Cooling degree days
- 98
Olanta in November
Highs average 68°20° and lows 41°5°, with 3.1 in80 mm of precipitation in a typical November.
- Record high
- 88°31° (2004)
- Record low
- 18°−8° (2000)
- Heating degree days
- 323
- Cooling degree days
- 16
Olanta in December
Highs average 61°16° and lows 37°3°, with 4.1 in104 mm of precipitation and 0.2 in0.5 cm of snow in a typical December.
- Record high
- 84°29° (1998)
- Record low
- 12°−11° (2010)
- Heating degree days
- 512
- Cooling degree days
- 6