Isle of Palms, SC
Climate overview — based on NOAA 1991-2020 normals from SULLIVANS IS, SC US.
Year-round temperatures (°F)
Climate summary
Isle of Palms has an annual average temperature of 65.5°F with about 51.6 inches of precipitation per year. The warmest month is July (average high 91.1°F), and the coldest is January (average low 36.5°F). August is typically the wettest month (6.72 in) and November the driest (3.00 in).
Best time to visit Isle of Palms
Full guide →Climate change signal
All-time records →63 of 366 (17.2%) of Isle of Palms'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.
| 1950s | 41 | |
| 1960s | 22 | |
| 1970s | 52 | |
| 1980s | 44 | |
| 1990s | 49 | |
| 2000s | 55 | |
| 2010s | 95 | |
| 2020s | 8 |
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 | 59.2°F | 36.5°F | 47.8°F | 3.81 in | — | — |
| February | 61.4°F | 39.0°F | 50.2°F | 3.30 in | — | — |
| March | 67.1°F | 44.7°F | 55.9°F | 3.49 in | — | — |
| April | 74.8°F | 53.5°F | 64.1°F | 3.59 in | — | — |
| May | 82.2°F | 63.2°F | 72.7°F | 3.33 in | — | — |
| June | 87.9°F | 69.9°F | 78.9°F | 5.36 in | — | — |
| July | 91.1°F | 73.0°F | 82.0°F | 5.97 in | — | — |
| August | 90.0°F | 72.0°F | 81.0°F | 6.72 in | — | — |
| September | 85.9°F | 67.7°F | 76.8°F | 5.47 in | — | — |
| October | 78.3°F | 57.5°F | 67.9°F | 3.94 in | — | — |
| November | 69.2°F | 47.0°F | 58.1°F | 3.00 in | — | — |
| December | 62.1°F | 39.8°F | 51.0°F | 3.62 in | — | — |
Climate twins of Isle of Palms
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).