Old Harbor city, AK
ZIP 99643 — Climate & Environment
Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
Low Income AreaLow Snow Area
Climate, disaster risk, air quality, and environmental safety
Climate & Weather in ZIP Code 99643
Climate normals for Old Harbor city, AK show little to no average snow and around 78.3 inches of annual precipitation.
Climate & Environment key statistics
| Climate | |
|---|---|
| Annual precip (in) | 78.32 |
| Snow days | 0 |
| Broadband access | 58.2% |
| Risk & Air Quality | |
|---|---|
| IRS net migration | 7 |