Hurricanes and Tornadoes That Hit Mount Laurel, NJ

The nearest NOAA station with 1991–2020 climate normals is Mt Holly S Jersey Airport, NJ, 3 miles east of Mount Laurel at 53 feet. July is the warmest, with an average high of 87°F and low of 66°F; January is the coolest, at 41°F and 25°F. July is the wettest at 5.2 inches of precipitation on average and February the driest at 2.6 inches; the year adds up to 42.9 inches over 72 days with at least a tenth of an inch. June to November, the hurricane season months, bring 55% of the year's precipitation (23.4 of 42.9 inches); the other six months are drier. September has brought the most of the 47 tropical systems that passed within 75 miles (18); a normal September there has highs of 78°F and 3.4 inches of precipitation. Highs reach 90°F on about 25 days a year, almost all from May to September. Lows fall below freezing on about 99 nights a year. That 42.9 inches is more than at 3 of the 51 New Jersey stations used on this site (6%). Moorestown, 3 miles northwest, has its own station (Moorestown, NJ): 49.4 inches a year, 6.5 more than here, and a July average high of 88°F against 87°F.

Water temperature at the NOAA tide station Burlington, Delaware River, NJ, 9 miles north, 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, 13 miles from Mount Laurel, 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 837 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Mount Laurel: 641 thunderstorm wind reports, 105 flash floods, 62 floods, 15 heavy rain events and 14 lightning strikes. They killed 2 people and injured 13, and the NWS estimated $71.5 million in property and crop damage. The strongest thunderstorm gust on record here was 85 mph, on July 31, 2009. July has had the most flash floods, 32 of 105. Of the 455 New Jersey cities on this site with a flash flood on record, 256 have had fewer than Mount Laurel.

Flood insurance policyholders in Mount Laurel's ZIP code 08054 have filed 81 claims with the National Flood Insurance Program since 1978, and were paid $532,000 for buildings and contents, in the dollars of each year. The year with the most claims was 2004, with 28. 17% 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, 187 have fewer than Mount Laurel.