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Bismarck city, ND
ZIP 58505 — Climate & Environment
Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
Low Snow Area
Climate, disaster risk, air quality, and environmental safety
Environment & Risk in ZIP Code 58505
Climate & Weather in ZIP Code 58505
Climate normals for Bismarck city, ND show little to no average snow and around 20.4 inches of annual precipitation. Pair that with FEMA NRI hazard context (overall rating Relatively Moderate) when evaluating long-term housing and insurance exposure.
Climate & Environment key statistics
| Climate | |
|---|---|
| Hardiness zone | 4a |
| Annual precip (in) | 20.35 |
| Snow days | 0 |
| Risk & Air Quality | |
|---|---|
| NRI rating | Relatively Moderate |
| NRI risk index | 85.1 |
| Flood risk (NRI) | 77.4 |
| Wildfire risk (NRI) | 84.1 |
| Median AQI | 41 |
| Good AQI days | 77.5% |