New Jersey Annual Rainfall and Climate Data, see below for individual cities 

 

New Jersey city precipitation totals

City Avg Annual Precip Avg Annual Snow Avg # days of Precip

Avg # thunderstorm days

Avg # hail days Avg # severe thunderstorm watches per year Avg # tornado watches per year # of tornadoes reported in county, 1960-2010
Atlantic City 40.59 16.3 112 26 0 2 7 7
Newark 46.25 28.7 122 44 1 1 9 2
  • New Jersey Annual Precipitation Average - 47.15", 15th wettest state in the U.S.
  • New Jersey Tornado Average - 2.5 per year - 37th most in the U.S.
  • Largest reported Tornado in New Jersey from 1950-2011, 10/18/1990 - 1,100 yards / .62 miles wide
  • Date with highest number of reported Tornadoes in New Jersey from 1950-2011, November 16th - 7 tornadoes
  • Average time of occurrence of reported Tornadoes in New Jersey from 1950-2011 - 3:02 pm
  • New Jersey Annual Lightning Density - 6.1 flashes per square mile - 26th highest in U.S.
  • Record Driest year in New Jersey from 1895-2012 - 1965, avg precipitation 29.36 inches 
  • Record Wettest year in New Jersey from 1895-2012 - 2011, avg precipitation 63.35 inches    

New Jersey Precipitation Records

  • Driest location ranked by lowest annual average precipitation: Atlantic City (Marina), southeastern New Jersey, 38.37"
  • Wettest location ranked by highest annual average precipitation: Morris Plains, central New Jersey, 53.67"
  • Snowiest location ranked by highest annual average snowfall: Sussex, northern New Jersey, 39.8"
  • State precipitation record for 24 hours - Tuckerton, central New Jersey, 8/19/1939, 14.81"
  • State precipitation record for 1 year - Paterson, northern New Jersey, 1882, 85.99"
  • State snowfall record for 24 hours - White House, northwestern New Jersey, 3/6-7/1996, 35.0"
  • State snow record for 1 season - High Point State Park, northern New Jersey, 1995-1996, 122.0"
  • February 2010 was a remarkable month for snowfall in New Jersey. Most weather reporting stations experienced their heaviest monthly snowfall for any winter month in the past 130 years
Data sources: National Climatic Data Center, Severe thunderstorm / tornado watch data period is 1999 - 2008, NOAA Storm Prediction Center, Tornado climate data -  NOAA Storm Prediction Center, State lightning flash density average - 1997-2011, Vaisala