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Greenwich CDP, CT
ZIP 06830 — Climate & Environment
Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
Upper Middle ClassLow Snow AreaRemote Work Hub
Climate, disaster risk, air quality, and environmental safety
Environment & Risk in ZIP Code 06830
Climate & Weather in ZIP Code 06830
Climate normals for Greenwich CDP, CT show little to no average snow and around 47.8 inches of annual precipitation.
Climate & Environment key statistics
| Climate | |
|---|---|
| Hardiness zone | 7a |
| Annual precip (in) | 47.75 |
| Snow days | 0 |
| Broadband access | 94.3% |
| Risk & Air Quality | |
|---|---|
| IRS net migration | 1375 |
| Median AQI | 44 |
| Good AQI days | 66.8% |