Hurricanes and Tornadoes That Hit Somerdale, NJ

The nearest NOAA station with 1991–2020 climate normals is Moorestown, NJ, 8 miles north of Somerdale at 45 feet. July is the warmest, with an average high of 88°F and low of 67°F; January is the coolest, at 43°F and 26°F. July is the wettest at 5.4 inches of precipitation on average and February the driest at 2.7 inches; the year adds up to 49.4 inches over 80 days with at least a tenth of an inch. June to November, the hurricane season months, bring 53% of the year's precipitation (26.3 of 49.4 inches); the other six months are drier. September has brought the most of the 43 tropical systems that passed within 75 miles (16); a normal September there has highs of 80°F and 4.3 inches of precipitation. Highs reach 90°F on about 45 days a year, almost all from May to September. Lows fall below freezing on about 102 nights a year. That 49.4 inches is more than at 32 of the 51 New Jersey stations used on this site (63%). Glendora, 2 miles west, has its own station (Philadelphia International Airport, PA): 44.2 inches a year, 5.2 less than here, and the same July average high, 88°F.

Water temperature at the NOAA tide station Philadelphia, PA, 9 miles northwest, averaged 80°F in July and 38°F in February over 2021–2025. It averaged 80°F or warmer from July. Sea level at the Philadelphia tide gauge, 9 miles from Somerdale, has risen 1.24 ± 0.04 inches per decade from 1900 to 2025, NOAA's linear trend; at that pace it is 12.4 inches in a hundred years. That is faster than at 73 of the 144 U.S. gauges with a NOAA trend.

Since 1996, the National Weather Service has logged 751 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Somerdale: 552 thunderstorm wind reports, 108 flash floods, 47 floods, 27 heavy rain events and 17 lightning strikes. They killed 0 people and injured 8, and the NWS estimated $29.9 million in property and crop damage. The strongest thunderstorm gust on record here was 94 mph, on June 18, 2000. June has had the most flash floods, 33 of 108. Of the 455 New Jersey cities on this site with a flash flood on record, 258 have had fewer than Somerdale.

Flood insurance policyholders in Somerdale's ZIP code 08083 have filed 16 claims with the National Flood Insurance Program since 1980, and were paid $33,000 for buildings and contents, in the dollars of each year. 38% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 395 New Jersey cities on this site with 10 or more claims, 36 have fewer than Somerdale.