New Jersey frost dates by county and ZIP code
Across 598 New Jersey ZIP codes the average last spring frost runs Mar 26 to May 1 and the average first fall frost Oct 11 to Nov 22 (50% odds, 32°F, NOAA 1991–2020 normals), with USDA hardiness zones. Download the table as CSV.
Counties
- Atlantic
- Bergen
- Burlington
- Camden
- Cape May
- Cumberland
- Essex
- Gloucester
- Hudson
- Hunterdon
- Mercer
- Middlesex
- Monmouth
- Morris
- Ocean
- Passaic
- Salem
- Somerset
- Sussex
- Union
- Warren
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