Chester weather by month
What a typical year looks like in Chester, South Carolina: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Chester 1 SE, 3 km from Chester; records cover 1923–2026.
The year at a glance
- Precipitation a year
- 45.9 in1166 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 7
- First fall freeze
- Oct 29
- Heating degree days
- 3,303
- Cooling degree days
- 1,669
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 14°−10° (heating, 99%) and 98°37° (cooling, 1%).
Month by month
Chester in January
Highs average 52°11° and lows 30°−1°, with 4.1 in103 mm of precipitation in a typical January.
- Record high
- 82°28° (1949)
- Record low
- −3°−19° (1985)
- Heating degree days
- 744
- Cooling degree days
- 0
Chester in February
Highs average 56°13° and lows 32°0°, with 3.4 in85 mm of precipitation in a typical February.
- Record high
- 83°28° (1996)
- Record low
- −1°−18° (1958)
- Heating degree days
- 583
- Cooling degree days
- 1
Chester in March
Highs average 64°18° and lows 38°4°, with 4.2 in106 mm of precipitation in a typical March.
- Record high
- 88°31° (1945)
- Record low
- 4°−16° (1980)
- Heating degree days
- 432
- Cooling degree days
- 7
Chester in April
Highs average 73°23° and lows 47°8°, with 3.9 in99 mm of precipitation in a typical April.
- Record high
- 96°36° (1925)
- Record low
- 21°−6° (1992)
- Heating degree days
- 190
- Cooling degree days
- 38
Chester in May
Highs average 80°27° and lows 56°13°, with 3.5 in89 mm of precipitation in a typical May.
- Record high
- 102°39° (1941)
- Record low
- 28°−2° (1963)
- Heating degree days
- 48
- Cooling degree days
- 150
Chester in June
Highs average 87°31° and lows 65°18°, with 4.3 in109 mm of precipitation in a typical June.
- Record high
- 105°41° (1945)
- Record low
- 38°3° (1966)
- Heating degree days
- 3
- Cooling degree days
- 334
Chester in July
Highs average 90°32° and lows 69°21°, with 3.9 in100 mm of precipitation in a typical July.
- Record high
- 106°41° (1926)
- Record low
- 50°10° (1961)
- Heating degree days
- 0
- Cooling degree days
- 450
Chester in August
Highs average 88°31° and lows 68°20°, with 4.4 in113 mm of precipitation in a typical August.
- Record high
- 106°41° (1983)
- Record low
- 47°8° (1965)
- Heating degree days
- 0
- Cooling degree days
- 405
Chester in September
Highs average 83°28° and lows 62°16°, with 3.8 in97 mm of precipitation in a typical September.
- Record high
- 105°41° (1925)
- Record low
- 37°3° (1967)
- Heating degree days
- 16
- Cooling degree days
- 232
Chester in OctoberThis month
Highs average 73°23° and lows 49°9°, with 3.1 in78 mm of precipitation in a typical October.
- Record high
- 100°38° (1954)
- Record low
- 16°−9° (1965)
- Heating degree days
- 174
- Cooling degree days
- 46
Chester in November
Highs average 63°17° and lows 38°3°, with 3.4 in86 mm of precipitation in a typical November.
- Record high
- 90°32° (1961)
- Record low
- 9°−13° (1955)
- Heating degree days
- 449
- Cooling degree days
- 5
Chester in December
Highs average 55°13° and lows 32°0°, with 4 in103 mm of precipitation in a typical December.
- Record high
- 80°27° (1946)
- Record low
- −5°−21° (1962)
- Heating degree days
- 664
- Cooling degree days
- 1