Hurricanes and Tornadoes That Hit Cinnaminson, NJ

The nearest NOAA station with 1991–2020 climate normals is Pennsauken 1N, NJ, 3 miles southwest of Cinnaminson at 46 feet. July is the warmest, with an average high of 87°F and low of 68°F; January is the coolest, at 40°F and 25°F. July is the wettest at 5.0 inches of precipitation on average and February the driest at 2.6 inches; the year adds up to 48.2 inches over 83 days with at least a tenth of an inch. June to November, the hurricane season months, bring 53% of the year's precipitation (25.4 of 48.2 inches); the other six months are drier. September has brought the most of the 41 tropical systems that passed within 75 miles (15); a normal September there has highs of 78°F and 4.3 inches of precipitation. Highs reach 90°F on about 33 days a year, almost all from May to September. Lows fall below freezing on about 103 nights a year. That 48.2 inches is more than at 24 of the 51 New Jersey stations used on this site (47%). Maple Shade, 3 miles south, has its own station (Moorestown, NJ): 49.4 inches a year, 1.2 more than here, and a July average high of 88°F against 87°F.

Water temperature at the NOAA tide station Bridesburg, PA, 5 miles west, 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 Cinnaminson, 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 1,089 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Cinnaminson: 779 thunderstorm wind reports, 199 flash floods, 80 floods, 19 lightning strikes and 12 heavy rain events. They killed 4 people and injured 22, and the NWS estimated $112.3 million in property and crop damage. The strongest thunderstorm gust on record here was 94 mph, on June 18, 2000. July has had the most flash floods, 73 of 199. Of the 455 New Jersey cities on this site with a flash flood on record, 335 have had fewer than Cinnaminson.

Flood insurance policyholders in Cinnaminson's ZIP code 08077 have filed 213 claims with the National Flood Insurance Program since 1978, and were paid $1.8 million for buildings and contents, in the dollars of each year. The most came from Hurricane Irene in 2011: 20 claims (9% of all) and $180,000, then April 2007 Nor'easter in 2007 with 15 and Mid-spring storms in 2014 with 12. 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, 267 have fewer than Cinnaminson.