Swansea, SC
Climate overview — based on NOAA 1991-2020 normals from N 5NE, SC US.
Year-round temperatures (°F)
Climate summary
Swansea has an annual average temperature of 64°F with about 54.5 inches of precipitation per year. The warmest month is July (average high 92.9°F), and the coldest is January (average low 33.8°F). July is typically the wettest month (7.69 in) and April the driest (3.34 in).
Best time to visit Swansea
Full guide →Climate change signal
All-time records →366 of 366 (100%) of Swansea'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.
| 2010s | 282 | |
| 2020s | 84 |
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 | 57.9°F | 33.8°F | 45.9°F | 4.31 in | — | — |
| February | 61.2°F | 36.4°F | 48.8°F | 3.96 in | — | — |
| March | 68.2°F | 41.8°F | 55.0°F | 4.21 in | — | — |
| April | 76.5°F | 49.9°F | 63.2°F | 3.34 in | — | — |
| May | 83.9°F | 59.2°F | 71.6°F | 3.57 in | — | — |
| June | 90.2°F | 68.9°F | 79.6°F | 5.17 in | — | — |
| July | 92.9°F | 72.2°F | 82.6°F | 7.69 in | — | — |
| August | 90.9°F | 70.9°F | 80.9°F | 6.39 in | — | — |
| September | 85.5°F | 64.6°F | 75.1°F | 4.41 in | — | — |
| October | 76.2°F | 52.1°F | 64.1°F | 3.52 in | — | — |
| November | 66.0°F | 40.4°F | 53.2°F | 3.57 in | — | — |
| December | 60.1°F | 36.4°F | 48.3°F | 4.40 in | — | — |
Climate twins of Swansea
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).