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North Charleston city, SC

ZIP 29485 — Climate & Environment

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Middle ClassLarge CommunityLow Snow Area

Climate, disaster risk, air quality, and environmental safety

Environment & Risk in ZIP Code 29485

Disaster Risk (FEMA NRI)

County-linked natural hazard risk from FEMA National Risk Index — useful for comparing insurance and disaster exposure.

FEMA’s National Risk Index rates natural-hazard risk for North Charleston city, SC as Relatively Moderate (composite score 93.7), which is among the highest nationally. The strongest component scores on US5 are hurricane (97.9) and wildfire (79.0). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Overall rating
Relatively Moderate
Risk index
93.7
Flood risk
78.7
Wildfire risk
79.0
Hurricane risk
97.9
Earthquake risk
97.9
Tornado risk
74.8
Winter weather risk
68.1
Hail risk
45.7

Climate & Weather in ZIP Code 29485

Climate normals for North Charleston city, SC show little to no average snow and around 52.7 inches of annual precipitation. Pair that with FEMA NRI hazard context (overall rating Relatively Moderate) when evaluating long-term housing and insurance exposure.

7-day weather forecast

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Sunrise, sunset & moon

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Monthly Temperature

30-year climate normals (avg. monthly temperature)

Climate Data
Hardiness Zone
8b
Annual Snow Days
0
Annual Precipitation
52.7 in
FEMA NRI rating
Relatively Moderate

Climate & Environment key statistics

Climate statistics
Climate
Hardiness zone8b
Annual precip (in)52.7
Snow days0
Broadband access91.9%
Risk & Air Quality statistics
Risk & Air Quality
NRI ratingRelatively Moderate
NRI risk index93.7
Flood risk (NRI)78.7
Wildfire risk (NRI)79.0
Hurricane risk (NRI)97.9
IRS net migration2346