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Charleston city, SC
ZIP 29414 — Climate & Environment
Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
Middle ClassLow Snow Area
Climate, disaster risk, air quality, and environmental safety
Environment & Risk in ZIP Code 29414
Climate & Weather in ZIP Code 29414
Climate normals for Charleston city, SC show little to no average snow and around 52.5 inches of annual precipitation. Pair that with FEMA NRI hazard context (overall rating Relatively High) when evaluating long-term housing and insurance exposure.
Climate & Environment key statistics
| Climate | |
|---|---|
| Hardiness zone | 9a |
| Annual precip (in) | 52.51 |
| Snow days | 0 |
| Broadband access | 93.6% |
| Risk & Air Quality | |
|---|---|
| NRI rating | Relatively High |
| NRI risk index | 98.6 |
| Flood risk (NRI) | 89.9 |
| Wildfire risk (NRI) | 93.9 |
| Hurricane risk (NRI) | 99.6 |
| IRS net migration | 1748 |
| Median AQI | 47 |
| Good AQI days | 59.0% |