Hurricanes and Tornadoes That Hit Gloucester City, NJ

The nearest NOAA station with 1991–2020 climate normals is Phila Franklin Inst, PA, 6 miles northwest of Gloucester City at 60 feet. July is the warmest, with an average high of 89°F and low of 71°F; January is the coolest, at 42°F and 28°F. August is the wettest at 5.0 inches of precipitation on average and February the driest at 3.3 inches; the year adds up to 50.9 inches over 82 days with at least a tenth of an inch. June to November, the hurricane season months, bring 53% of the year's precipitation (27.1 of 50.9 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 80°F and 4.9 inches of precipitation. Highs reach 90°F on about 40 days a year, almost all from May to September. Lows fall below freezing on about 62 nights a year. Snowfall averages 16.1 inches a year, most of it in January. That 50.9 inches is more than at 42 of the 51 New Jersey stations used on this site (82%). Oaklyn, 2 miles northeast, has its own station (Pennsauken 1N, NJ): 48.2 inches a year, 2.7 less than here, and a July average high of 87°F against 89°F.

Water temperature at the NOAA tide station Philadelphia, PA, 3 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, 3 miles from Gloucester City, 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 947 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Gloucester City: 640 thunderstorm wind reports, 191 flash floods, 81 floods, 18 lightning strikes and 17 heavy rain events. They killed 4 people and injured 34, and the NWS estimated $151.1 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, 68 of 191. Of the 455 New Jersey cities on this site with a flash flood on record, 330 have had fewer than Gloucester City.

Flood insurance policyholders in Gloucester City's ZIP code 08030 have filed 68 claims with the National Flood Insurance Program since 1978, and were paid $1.1 million for buildings and contents, in the dollars of each year. The most came from Flooding in 1980: 10 claims (15% of all) and $73,000. 43% 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, 176 have fewer than Gloucester City.