Hurricanes and Tornadoes That Hit Bordentown, NJ

The nearest NOAA station with 1991–2020 climate normals is Philadelphia/Mt Holly WFO, NJ, 10 miles southwest of Bordentown at 63 feet. July is the warmest, with an average high of 85°F and low of 66°F; January is the coolest, at 39°F and 23°F. July is the wettest at 5.1 inches of precipitation on average and February the driest at 2.7 inches; the year adds up to 46.0 inches over 88 days with at least a tenth of an inch. June to November, the hurricane season months, bring 53% of the year's precipitation (24.5 of 46.0 inches); the other six months are drier. September has brought the most of the 47 tropical systems that passed within 75 miles (19); a normal September there has highs of 76°F and 3.7 inches of precipitation. Highs reach 90°F on about 22 days a year, almost all from May to September. Lows fall below freezing on about 111 nights a year. Snowfall averages 24.8 inches a year, most of it in January. That 46.0 inches is more than at 13 of the 51 New Jersey stations used on this site (25%). Chesterfield, 4 miles east, has its own station (Hightstown 2 W, NJ): 47.6 inches a year, 1.6 more than here, and a July average high of 87°F against 85°F.

Water temperature at the NOAA tide station Newbold, PA, 2 miles west, averaged 80°F in July and 37°F in January over 2021–2025. It averaged 80°F or warmer from July. Sea level at the Philadelphia tide gauge, 26 miles from Bordentown, 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 421 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Bordentown: 309 thunderstorm wind reports, 44 flash floods, 30 floods, 20 lightning strikes and 18 heavy rain events. They killed 3 people and injured 13, and the NWS estimated $43.7 million in property and crop damage. The strongest thunderstorm gust on record here was 78 mph, on August 19, 2019. July has had the most flash floods, 17 of 44. Of the 455 New Jersey cities on this site with a flash flood on record, 167 have had fewer than Bordentown.

Flood insurance policyholders in Bordentown's ZIP code 08505 have filed 20 claims with the National Flood Insurance Program since 1978, and were paid $43,000 for buildings and contents, in the dollars of each year. 45% 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, 53 have fewer than Bordentown.