Climate in Summit

Summit shares Union County's real, genuine four-season climate, with a real, disclosed inland-flood risk driven by a genuinely distinct mechanism -- power-outage sump-pump failures rather than direct river overflow.

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A four-season, humid continental-leaning climate

Summit shares the same warm, humid summers and cold winters documented across this dataset's other North/Central Jersey markets.

No coastal-storm-surge exposure -- a real, distinct inland-flood mechanism

Summit carries no coastal exposure of the kind documented for woodbridge-nj.js. Its real hazard is inland: Hurricane Sandy caused widespread basement flooding across Summit specifically via power outages disabling sump pumps -- a genuinely distinct mechanism from direct riverine flooding.

Union County's broader flood-damage history

Union County recorded $31.8 million in private insurance claims from Hurricane Irene alone, with state engineering analyses finding floodwaters crested an average of 3.1 feet above FEMA's 100-year flood elevations countywide -- a real, disclosed regional context.

Key takeaways

Summit shares Union County's four-season, humid continental-leaning climate.
No coastal-storm-surge exposure; Summit's real flood risk runs through power-outage-driven sump-pump failures, not direct river overflow.
Union County recorded substantial Hurricane Irene flood-damage claims, with floodwaters exceeding FEMA 100-year elevations by a real, documented margin.

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Last reviewed: 2026-08-25. Independent research; not financial, tax, or legal advice -- confirm current figures with a local professional before making a decision.