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Steptoe CDP, WA
ZIP 99174 — Climate & Environment
Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
Working ClassLow Snow Area
Climate, disaster risk, air quality, and environmental safety
Environment & Risk in ZIP Code 99174
Climate & Weather in ZIP Code 99174
Climate normals for Steptoe CDP, WA show little to no average snow and around 17.1 inches of annual precipitation. Pair that with FEMA NRI hazard context (overall rating Very Low) when evaluating long-term housing and insurance exposure.
Climate & Environment key statistics
| Climate | |
|---|---|
| Hardiness zone | 6b |
| Annual precip (in) | 17.05 |
| Snow days | 0 |
| Broadband access | 92.9% |
| Risk & Air Quality | |
|---|---|
| NRI rating | Very Low |
| NRI risk index | 39.8 |
| Flood risk (NRI) | 58.8 |
| Wildfire risk (NRI) | 68.3 |
| IRS net migration | 4 |
| Median AQI | 20 |
| Good AQI days | 93.8% |