Normals of maximum, minimum, and mean temperatures, heating and cooling degree days, and precipitation were prepared for selected stations in NJ by interpolating between the monthly normal values. The interpolation scheme was a cubic spline fit through the monthly values. Each element was interpolated independently from the other elements. For more detailed information, please visit the National Climatic Data Center's U.S. Climate Normals Products page.

Average and record minimums and maximums for temperature and precipitation. Data compiled by the Office of the New Jersey State Climatologist (ONJSC).

Climatological normals (1991-2020) for temperature, precipitation, and degree-day data for numerous locations in NJ.