Hurricanes and Tornadoes That Hit Ho Ho Kus, NJ

The nearest NOAA station with 1991–2020 climate normals is Wanaque Raymond Dam, NJ, 10 miles west of Ho Ho Kus at 245 feet. July is the warmest, with an average high of 84°F and low of 64°F; January is the coolest, at 38°F and 20°F. June is the wettest at 5.1 inches of precipitation on average and February the driest at 2.7 inches; the year adds up to 48.5 inches over 79 days with at least a tenth of an inch. June to November, the hurricane season months, bring 55% of the year's precipitation (26.6 of 48.5 inches); the other six months are drier. September has brought the most of the 45 tropical systems that passed within 75 miles (20); a normal September there has highs of 76°F and 4.0 inches of precipitation. Highs reach 90°F on about 14 days a year, almost all from May to August. Lows fall below freezing on about 121 nights a year. That 48.5 inches is more than at 26 of the 51 New Jersey stations used on this site (51%). Ridgewood, 1 mile southwest, has its own station (Teterboro Airport, NJ): 46.4 inches a year, 2.1 less than here, and a July average high of 87°F against 84°F.

Water temperature at the NOAA tide station The Battery, NY, 21 miles south, averaged 74°F in August and 39°F in February over 2021–2025. No month averaged 80°F. Sea level at the The Battery tide gauge, 21 miles from Ho Ho Kus, has risen 1.16 ± 0.02 inches per decade from 1856 to 2025, NOAA's linear trend; at that pace it is 11.6 inches in a hundred years. That is faster than at 66 of the 144 U.S. gauges with a NOAA trend.

Since 1996, the National Weather Service has logged 826 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Ho Ho Kus: 365 thunderstorm wind reports, 297 flash floods, 122 floods and 42 lightning strikes. They killed 6 people and injured 22, and the NWS estimated $60.8 million in property and crop damage. The strongest thunderstorm gust on record here was 110 mph, on October 7, 2013. July has had the most flash floods, 99 of 297. Of the 455 New Jersey cities on this site with a flash flood on record, 374 have had fewer than Ho Ho Kus.

Flood insurance policyholders in Ho Ho Kus's ZIP code 07423 have filed 53 claims with the National Flood Insurance Program since 1983, and were paid $569,000 for buildings and contents, in the dollars of each year. The most came from Hurricane Floyd in 1999: 17 claims (32% of all) and $150,000. 85% 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, 153 have fewer than Ho Ho Kus.