Ruby weather by month
What a typical year looks like in Ruby, South Carolina: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Chesterfield 3 E, 13 km from Ruby; records cover 1999–2026.
The year at a glance
- Precipitation a year
- 49.8 in1264 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 6
- First fall freeze
- Nov 1
- Heating degree days
- 2,787
- Cooling degree days
- 1,991
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 17°−8° (heating, 99%) and 100°38° (cooling, 1%).
Month by month
Ruby in January
Highs average 56°13° and lows 32°0°, with 3.7 in94 mm of precipitation in a typical January.
- Record high
- 83°28° (2002)
- Record low
- 6°−14° (2014)
- Heating degree days
- 655
- Cooling degree days
- 1
Ruby in February
Highs average 60°15° and lows 35°2°, with 3.2 in80 mm of precipitation in a typical February.
- Record high
- 85°29° (2023)
- Record low
- 7°−14° (2015)
- Heating degree days
- 503
- Cooling degree days
- 3
Ruby in March
Highs average 67°20° and lows 41°5°, with 3.9 in98 mm of precipitation in a typical March.
- Record high
- 92°33° (2020)
- Record low
- 14°−10° (2002)
- Heating degree days
- 359
- Cooling degree days
- 14
Ruby in April
Highs average 76°24° and lows 49°9°, with 3.6 in92 mm of precipitation in a typical April.
- Record high
- 94°34° (2001)
- Record low
- 22°−6° (2007)
- Heating degree days
- 147
- Cooling degree days
- 68
Ruby in May
Highs average 83°28° and lows 58°14°, with 3.5 in89 mm of precipitation in a typical May.
- Record high
- 99°37° (2019)
- Record low
- 37°3° (2002)
- Heating degree days
- 32
- Cooling degree days
- 195
Ruby in June
Highs average 89°32° and lows 66°19°, with 4.7 in119 mm of precipitation in a typical June.
- Record high
- 107°42° (2012)
- Record low
- 47°8° (2003)
- Heating degree days
- 1
- Cooling degree days
- 379
Ruby in July
Highs average 92°34° and lows 70°21°, with 5.4 in138 mm of precipitation in a typical July.
- Record high
- 107°42° (2012)
- Record low
- 55°13° (2008)
- Heating degree days
- 0
- Cooling degree days
- 494
Ruby in August
Highs average 91°33° and lows 69°20°, with 5.7 in144 mm of precipitation in a typical August.
- Record high
- 108°42° (2007)
- Record low
- 53°12° (2002)
- Heating degree days
- 0
- Cooling degree days
- 454
Ruby in September
Highs average 85°30° and lows 63°17°, with 5.1 in128 mm of precipitation in a typical September.
- Record high
- 100°38° (2026)
- Record low
- 40°4° (1999)
- Heating degree days
- 8
- Cooling degree days
- 289
Ruby in OctoberThis month
Highs average 76°25° and lows 51°10°, with 3.9 in100 mm of precipitation in a typical October.
- Record high
- 100°38° (2019)
- Record low
- 26°−3° (2001)
- Heating degree days
- 130
- Cooling degree days
- 81
Ruby in November
Highs average 66°19° and lows 40°4°, with 3.3 in84 mm of precipitation in a typical November.
- Record high
- 87°31° (2003)
- Record low
- 15°−9° (2000)
- Heating degree days
- 374
- Cooling degree days
- 10
Ruby in December
Highs average 58°15° and lows 35°1°, with 3.9 in99 mm of precipitation in a typical December.
- Record high
- 82°28° (2007)
- Record low
- 12°−11° (2010)
- Heating degree days
- 578
- Cooling degree days
- 3