Marion, SC
Climate overview — based on NOAA 1991-2020 normals from MARION, SC US.
Year-round temperatures (°F)
Climate summary
Marion has an annual average temperature of 63.2°F with about 49.3 inches of precipitation per year. The warmest month is July (average high 90.5°F), and the coldest is January (average low 33.9°F). September is typically the wettest month (5.97 in) and February the driest (3.22 in).
Best time to visit Marion
Full guide →Climate change signal
All-time records →14 of 366 (3.8%) of Marion'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.
| 1890s | 3 | |
| 1920s | 14 | |
| 1930s | 69 | |
| 1940s | 52 | |
| 1950s | 55 | |
| 1960s | 24 | |
| 1970s | 39 | |
| 1980s | 65 | |
| 1990s | 13 | |
| 2000s | 11 | |
| 2010s | 16 | |
| 2020s | 5 |
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 | 56.1°F | 33.9°F | 45.0°F | 3.51 in | — | — |
| February | 59.8°F | 36.5°F | 48.1°F | 3.22 in | — | — |
| March | 66.9°F | 42.4°F | 54.6°F | 3.51 in | — | — |
| April | 75.4°F | 49.3°F | 62.3°F | 3.43 in | — | — |
| May | 82.1°F | 59.0°F | 70.5°F | 3.62 in | — | — |
| June | 87.6°F | 67.4°F | 77.5°F | 4.96 in | — | — |
| July | 90.5°F | 71.0°F | 80.8°F | 5.23 in | — | — |
| August | 88.9°F | 69.6°F | 79.3°F | 5.54 in | — | — |
| September | 84.2°F | 63.8°F | 74.0°F | 5.97 in | — | — |
| October | 75.8°F | 51.6°F | 63.7°F | 3.26 in | — | — |
| November | 66.1°F | 42.2°F | 54.2°F | 3.33 in | — | — |
| December | 59.4°F | 36.6°F | 48.0°F | 3.69 in | — | — |
Climate twins of Marion
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).