Lake Secession weather by month
What a typical year looks like in Lake Secession, South Carolina: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Calhoun Falls, 22 km from Lake Secession; records cover 1917–2026.
The year at a glance
- Precipitation a year
- 47 in1194 mm
- Snow a year
- 0.6 in1.5 cm
- Last spring freeze
- Mar 24
- First fall freeze
- Nov 5
- Heating degree days
- 2,913
- Cooling degree days
- 1,879
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
Lake Secession in January
Highs average 54°12° and lows 32°0°, with 4.1 in104 mm of precipitation and 0.1 in0.3 cm of snow in a typical January.
- Record high
- 85°29° (1949)
- Record low
- −2°−19° (1940)
- Heating degree days
- 673
- Cooling degree days
- 0
Lake Secession in February
Highs average 58°14° and lows 35°2°, with 4.1 in105 mm of precipitation and 0.3 in0.8 cm of snow in a typical February.
- Record high
- 83°28° (1930)
- Record low
- 5°−15° (1958)
- Heating degree days
- 523
- Cooling degree days
- 1
Lake Secession in March
Highs average 66°19° and lows 40°5°, with 4.5 in115 mm of precipitation and 0.1 in0.3 cm of snow in a typical March.
- Record high
- 92°33° (1929)
- Record low
- 10°−12° (1980)
- Heating degree days
- 377
- Cooling degree days
- 8
Lake Secession in April
Highs average 74°23° and lows 49°9°, with 3.1 in80 mm of precipitation in a typical April.
- Record high
- 97°36° (1925)
- Record low
- 26°−3° (1925)
- Heating degree days
- 156
- Cooling degree days
- 48
Lake Secession in May
Highs average 81°27° and lows 58°14°, with 3.3 in85 mm of precipitation in a typical May.
- Record high
- 102°39° (1926)
- Record low
- 34°1° (1971)
- Heating degree days
- 35
- Cooling degree days
- 179
Lake Secession in June
Highs average 88°31° and lows 67°19°, with 4.4 in111 mm of precipitation in a typical June.
- Record high
- 106°41° (1944)
- Record low
- 45°7° (1972)
- Heating degree days
- 2
- Cooling degree days
- 370
Lake Secession in July
Highs average 91°33° and lows 71°21°, with 4.2 in106 mm of precipitation in a typical July.
- Record high
- 109°43° (1945)
- Record low
- 51°11° (1970)
- Heating degree days
- 0
- Cooling degree days
- 494
Lake Secession in August
Highs average 90°32° and lows 69°21°, with 4.1 in105 mm of precipitation in a typical August.
- Record high
- 109°43° (1925)
- Record low
- 51°11° (1922)
- Heating degree days
- 0
- Cooling degree days
- 448
Lake Secession in September
Highs average 84°29° and lows 63°17°, with 3.5 in89 mm of precipitation in a typical September.
- Record high
- 111°44° (1925)
- Record low
- 35°2° (1967)
- Heating degree days
- 10
- Cooling degree days
- 263
Lake Secession in OctoberThis month
Highs average 75°24° and lows 50°10°, with 3.3 in83 mm of precipitation in a typical October.
- Record high
- 100°38° (1954)
- Record low
- 23°−5° (1952)
- Heating degree days
- 136
- Cooling degree days
- 60
Lake Secession in November
Highs average 65°18° and lows 40°4°, with 3.6 in92 mm of precipitation in a typical November.
- Record high
- 87°31° (1958)
- Record low
- 10°−12° (1950)
- Heating degree days
- 394
- Cooling degree days
- 7
Lake Secession in December
Highs average 57°14° and lows 34°1°, with 4.7 in120 mm of precipitation and 0.1 in0.3 cm of snow in a typical December.
- Record high
- 86°30° (1984)
- Record low
- 2°−17° (1962)
- Heating degree days
- 607
- Cooling degree days
- 1