Smyrna weather by month
What a typical year looks like in Smyrna, South Carolina: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at York 5 Sse, 24 km from Smyrna; records cover 2000–2026.
The year at a glance
- Precipitation a year
- 44.1 in1120 mm
- Snow a year
- Rare
- Last spring freeze
- Mar 29
- First fall freeze
- Nov 7
- Heating degree days
- 3,457
- Cooling degree days
- 1,562
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 16°−9° (heating, 99%) and 97°36° (cooling, 1%).
Month by month
Smyrna in January
Highs average 51°11° and lows 30°−1°, with 3.6 in91 mm of precipitation in a typical January.
- Record high
- 76°24° (2017)
- Record low
- 6°−14° (2014)
- Heating degree days
- 766
- Cooling degree days
- 0
Smyrna in February
Highs average 55°13° and lows 32°0°, with 3.1 in79 mm of precipitation in a typical February.
- Record high
- 81°27° (2011)
- Record low
- 5°−15° (2015)
- Heating degree days
- 601
- Cooling degree days
- 0
Smyrna in March
Highs average 63°17° and lows 37°3°, with 4.1 in104 mm of precipitation in a typical March.
- Record high
- 88°31° (2007)
- Record low
- 17°−8° (2009)
- Heating degree days
- 470
- Cooling degree days
- 5
Smyrna in April
Highs average 72°22° and lows 47°8°, with 3.8 in96 mm of precipitation in a typical April.
- Record high
- 91°33° (2006)
- Record low
- 24°−4° (2007)
- Heating degree days
- 202
- Cooling degree days
- 34
Smyrna in May
Highs average 79°26° and lows 56°13°, with 3.7 in93 mm of precipitation in a typical May.
- Record high
- 94°34° (2019)
- Record low
- 36°2° (2020)
- Heating degree days
- 54
- Cooling degree days
- 131
Smyrna in June
Highs average 86°30° and lows 64°18°, with 3.4 in87 mm of precipitation in a typical June.
- Record high
- 101°38° (2008)
- Record low
- 46°8° (2024)
- Heating degree days
- 2
- Cooling degree days
- 308
Smyrna in July
Highs average 89°32° and lows 69°21°, with 4.4 in113 mm of precipitation in a typical July.
- Record high
- 104°40° (2012)
- Record low
- 57°14° (2008)
- Heating degree days
- 0
- Cooling degree days
- 435
Smyrna in August
Highs average 88°31° and lows 67°20°, with 3.9 in99 mm of precipitation in a typical August.
- Record high
- 104°40° (2007)
- Record low
- 54°12° (2018)
- Heating degree days
- 0
- Cooling degree days
- 389
Smyrna in September
Highs average 82°28° and lows 61°16°, with 3.5 in88 mm of precipitation in a typical September.
- Record high
- 99°37° (2019)
- Record low
- 40°4° (2000)
- Heating degree days
- 18
- Cooling degree days
- 218
Smyrna in OctoberThis month
Highs average 72°22° and lows 49°9°, with 3.3 in84 mm of precipitation in a typical October.
- Record high
- 99°37° (2019)
- Record low
- 25°−4° (2000)
- Heating degree days
- 190
- Cooling degree days
- 40
Smyrna in November
Highs average 61°16° and lows 38°3°, with 3.4 in86 mm of precipitation in a typical November.
- Record high
- 82°28° (2019)
- Record low
- 12°−11° (2000)
- Heating degree days
- 472
- Cooling degree days
- 2
Smyrna in December
Highs average 54°12° and lows 32°0°, with 4 in102 mm of precipitation in a typical December.
- Record high
- 79°26° (2007)
- Record low
- 6°−14° (2022)
- Heating degree days
- 682
- Cooling degree days
- 0