Ranked from NOAA 1991-2020 Climate Normals
Coldest Winters in New Jersey
Average daily low in the coldest month, coldest counties first, with the heating degree days beside it. Figures are NOAA 1991-2020 Climate Normals from the weather station nearest each county seat, so they describe a thirty-year average rather than any single year.
New Jersey ranked
| # | County | Winter low | Heating degree days | Monthly to own |
|---|---|---|---|---|
| 1 | Sussex County | 18.0°F | 6,048 | $3,139 |
| 2 | Warren County | 18.0°F | 6,050 | $2,988 |
| 3 | Passaic County | 19.9°F | 5,635 | $3,888 |
| 4 | Hunterdon County | 20.6°F | 5,547 | $4,269 |
| 5 | Somerset County | 20.6°F | 5,385 | $4,430 |
| 6 | Ocean County | 21.7°F | 5,328 | $3,129 |
| 7 | Essex County | 22.9°F | 5,272 | $4,241 |
| 8 | Middlesex County | 22.9°F | 5,101 | $3,861 |
| 9 | Monmouth County | 22.9°F | 4,988 | $4,703 |
| 10 | Morris County | 22.9°F | 5,272 | $4,643 |
| 11 | Cumberland County | 23.8°F | 4,933 | $1,975 |
| 12 | Mercer County | 24.3°F | 4,977 | $3,221 |
| 13 | Burlington County | 24.6°F | 4,880 | $2,990 |
| 14 | Camden County | 24.6°F | 4,880 | $2,589 |
| 15 | Atlantic County | 25.1°F | 4,701 | $2,547 |
| 16 | Union County | 25.1°F | 4,856 | $4,205 |
| 17 | Hudson County | 25.5°F | 4,701 | $4,283 |
| 18 | Salem County | 25.6°F | 4,647 | $2,229 |
| 19 | Bergen County | 25.7°F | 4,735 | $4,875 |
| 20 | Gloucester County | 26.0°F | 4,510 | $2,718 |
| 21 | Cape May County | 28.5°F | 4,332 | $3,206 |
Every figure is modelled on the county's own median home with 20% down at 7.03%. Property tax and electricity are county and state specific; homeowners insurance uses the NAIC average premium for that state, which ranges from 0.16% of home value in Hawaii to 1.16% in Oklahoma. Maintenance and water are national estimates. Full methodology.
Nationwide
Coldest Winters across all 3,133 US counties · Every county in New Jersey