Smyrna, SC
Climate overview — based on NOAA 1991-2020 normals from NINETY NINE IS, SC US.
Year-round temperatures (°F)
Climate summary
Smyrna has an annual average temperature of 57.9°F with about 45.3 inches of precipitation per year. The warmest month is July (average high 87.8°F), and the coldest is January (average low 26.5°F). August is typically the wettest month (4.68 in) and October the driest (3.06 in).
Best time to visit Smyrna
Full guide →Climate change signal
All-time records →23 of 366 (6.3%) of Smyrna's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1940s | 0 | |
| 1950s | 0 | |
| 1960s | 86 | |
| 1970s | 93 | |
| 1980s | 86 | |
| 1990s | 23 | |
| 2000s | 40 | |
| 2010s | 38 | |
| 2020s | 0 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 50.9°F | 26.5°F | 38.7°F | 3.70 in | — | 9 |
| February | 55.3°F | 28.9°F | 42.1°F | 3.31 in | — | 9 |
| March | 62.6°F | 34.9°F | 48.8°F | 4.39 in | — | 10 |
| April | 71.5°F | 42.8°F | 57.1°F | 3.65 in | — | 9 |
| May | 77.9°F | 52.8°F | 65.3°F | 3.63 in | — | 9 |
| June | 84.3°F | 61.6°F | 72.9°F | 4.11 in | — | 10 |
| July | 87.8°F | 65.7°F | 76.7°F | 3.72 in | — | 10 |
| August | 86.2°F | 65.1°F | 75.6°F | 4.68 in | — | 9 |
| September | 80.9°F | 58.3°F | 69.6°F | 3.63 in | — | 7 |
| October | 71.9°F | 45.6°F | 58.7°F | 3.06 in | — | 7 |
| November | 61.6°F | 34.2°F | 47.9°F | 3.42 in | — | 8 |
| December | 53.5°F | 29.2°F | 41.3°F | 4.02 in | — | 10 |
Climate twins of Smyrna
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).