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Union CDP, NH

ZIP 03887 — Climate & Environment

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Middle ClassLow Snow Area

Climate, disaster risk, air quality, and environmental safety

Environment & Risk in ZIP Code 03887

Disaster Risk (FEMA NRI)

County-linked natural hazard risk from FEMA National Risk Index — useful for comparing insurance and disaster exposure.

FEMA’s National Risk Index rates natural-hazard risk for Union CDP, NH as Relatively Low (composite score 64.1), which is near the middle of the national distribution. The strongest component scores on US5 are hurricane (76.6) and flood (76.0). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Overall rating
Relatively Low
Risk index
64.1
Flood risk
76.0
Wildfire risk
34.5
Hurricane risk
76.6
Earthquake risk
77.4
Tornado risk
42.2
Winter weather risk
48.5
Hail risk
20.3

Climate & Weather in ZIP Code 03887

Climate normals for Union CDP, NH show little to no average snow and around 51.3 inches of annual precipitation. Pair that with FEMA NRI hazard context (overall rating Relatively Low) when evaluating long-term housing and insurance exposure.

7-day weather forecast

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Sunrise, sunset & moon

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Monthly Temperature

30-year climate normals (avg. monthly temperature)

Climate Data
Hardiness Zone
5b
Annual Snow Days
0
Annual Precipitation
51.31 in
FEMA NRI rating
Relatively Low

Climate & Environment key statistics

Climate statistics
Climate
Hardiness zone5b
Annual precip (in)51.31
Snow days0
Broadband access84.7%
Risk & Air Quality statistics
Risk & Air Quality
NRI ratingRelatively Low
NRI risk index64.1
Flood risk (NRI)76.0
Wildfire risk (NRI)34.5
Hurricane risk (NRI)76.6
IRS net migration94