Snow Load in Delaware

3 counties — Average 21.7 PSF (Moderate)

2
1
Light (66.7%) Moderate (33.3%)
Light — 2 counties with 1–20 PSF. Standard roof construction is typically sufficient.
Moderate — 1 county with 21–40 PSF. Roofs need reinforced framing to handle regular snow buildup.

Based on ASCE 7-22, the national standard for structural snow loads used by engineers and building codes across the US.

Delaware Snow Load Map

Counties colored by snow load classification.

Delaware

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All 3 Counties — By Snow Load

CountyClassificationSnow Load
Kent Moderate 25 PSF
New Castle Light 20 PSF
Sussex Light 20 PSF

Source: ASCE 7-22 ground snow load data

Frequently Asked Questions

What is the snow load in Delaware?

Delaware has an average ground snow load of 21.7 PSF, classified as moderate. Out of 3 counties: 2 light, 1 moderate.

Which Delaware counties have the highest snow load?

See the county table above for a complete breakdown.

How do I check snow load for my Delaware address?

Enter your ZIP code in the search box above to see your area's ASCE 7-22 ground snow load, classification, and roof snow load calculator.

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