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Generators in Rockville Centre: Nassau County has seen flash floods and damaging thunderstorm winds in the last 10 years, with hail up to 1.5 inches.

Weather and your home

In Nassau County, July highs average about 85°F and January lows about 26°F, with roughly 46 inches of rain a year.

Storms

Over the last 10 years the National Weather Service recorded flash floods, damaging thunderstorm winds and hailstorms in Nassau County, with hail up to 1.5 inches across. After a storm, a quick roof and gutter check catches damage before it turns into a leak.

Disaster history

Nassau County has had 18 federal disaster declarations in the last 25 years, most often for hurricanes; the latest was Severe Storm And Flooding (2024).

Services

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Questions

What size generator do I need?

Enough for the fridge, heating or cooling, lights and medical equipment; the pro sizes it from what you want running.

Standby or portable?

A standby generator starts on its own in an outage; portable is cheaper but has to be wheeled out and fuelled.

These are Nassau County figures — more about homes in Hempstead.

Nearby

Malverne · Lynbrook · East Rockaway · Freeport · Hempstead · Hewlett Harbor · Valley Stream · Hewlett Bay Park