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Riverside city, CA
ZIP 92503 — 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 92503
Climate & Weather in ZIP Code 92503
Climate normals for Riverside city, CA show little to no average snow and around 9.4 inches of annual precipitation. Pair that with FEMA NRI hazard context (overall rating Very High) when evaluating long-term housing and insurance exposure.
Climate & Environment key statistics
| Climate | |
|---|---|
| Hardiness zone | 10a |
| Annual precip (in) | 9.37 |
| Snow days | 0 |
| Broadband access | 94.5% |
| Risk & Air Quality | |
|---|---|
| NRI rating | Very High |
| NRI risk index | 99.9 |
| Flood risk (NRI) | 99.9 |
| Wildfire risk (NRI) | 100.0 |
| Hurricane risk (NRI) | 12.0 |
| IRS net migration | 4343 |
| Median AQI | 87 |
| Good AQI days | 10.6% |