Hurricanes and Tornadoes That Hit Shoreham, NY

The nearest NOAA station with 1991–2020 climate normals is Baiting Hollow, NY, 8 miles east of Shoreham at 70 feet. July is the warmest, with an average high of 83°F and low of 63°F; January is the coolest, at 38°F and 22°F. December is the wettest at 5.1 inches of precipitation on average and February the driest at 2.7 inches; the year adds up to 48.6 inches over 83 days with at least a tenth of an inch. June to November, the hurricane season months, bring 49% of the year's precipitation (24.0 of 48.6 inches); the other six months are wetter. September has brought the most of the 55 tropical systems that passed within 75 miles (22); a normal September there has highs of 75°F and 4.3 inches of precipitation. Highs reach 90°F on about 7 days a year, almost all from June to August. Lows fall below freezing on about 116 nights a year. That 48.6 inches is more than at 112 of the 137 New York stations used on this site (82%). Rocky Point, 2 miles west, has its own station (Shirley Brookhaven Airport, NY): 44.3 inches a year, 4.3 less than here, and the same July average high, 83°F.

Water temperature at the NOAA tide station Bridgeport, CT, 22 miles northwest, averaged 76°F in August and 39°F in February over 2021–2025. No month averaged 80°F. Sea level at the Bridgeport tide gauge, 22 miles from Shoreham, has risen 1.35 ± 0.08 inches per decade from 1964 to 2025, NOAA's linear trend; at that pace it is 13.5 inches in a hundred years. That is faster than at 81 of the 144 U.S. gauges with a NOAA trend.

Since 1996, the National Weather Service has logged 93 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Shoreham: 61 thunderstorm wind reports, 25 flash floods, 5 lightning strikes and 2 floods. They killed 0 people and injured 13, and the NWS estimated $231,000 in property and crop damage. The strongest thunderstorm gust on record here was 70 mph, on June 16, 2008. August has had the most flash floods, 18 of 25. Of the 798 New York cities on this site with a flash flood on record, 408 have had fewer than Shoreham.

Flood insurance policyholders in Shoreham's ZIP code 11786 have filed 12 claims with the National Flood Insurance Program since 1979, and were paid $18,000 for buildings and contents, in the dollars of each year. 42% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 549 New York cities on this site with 10 or more claims, 31 have fewer than Shoreham.