Frost dates / New Jersey / East Orange
Frost dates in East Orange, NJ
The station on this page is HARRISON, NJ US (USC00283704), 3.3 miles from the city point. Population in the Census 2024 estimate is 71,850.
Zone 7aUSDA average annual extreme minimum 0°F to 5°F, from ZIP 07017 (0.5 miles from the city point used on this page).
Outside the median season Growing seasonTicks: 10%, 50%, and 90%
Last 32°F in spring
NCEI’s probability is the chance the last spring minimum of 32°F or lower occurs on or after the date.
| Probability | Date | How to read it |
|---|---|---|
| 90% | March 23 | Earlier date. A last 32°F on or after this day is common. |
| 50% | April 4 | Median. |
| 10% | April 16 | Later date. A last 32°F on or after this day is uncommon. |
First 32°F in fall
NCEI’s probability is the chance the first autumn minimum of 32°F or lower occurs on or before the date.
| Probability | Date | How to read it |
|---|---|---|
| 10% | October 25 | Earlier date. A first 32°F on or before this day is uncommon. |
| 50% | November 6 | Median. |
| 90% | November 22 | Later date. A first 32°F on or before this day is common. |
32°F growing-season length
Days between the last spring 32°F and the first autumn 32°F. The figure is a length the season meets or exceeds at that probability, from NCEI, not a subtraction done on this site.
| Probability the season is at least this long | Days |
|---|---|
| 10% | 237 |
| 50% | 216 |
| 90% | 197 |
28°F threshold
| 10% | 50% | 90% | |
|---|---|---|---|
| Last, on or after | April 5 | March 26 | March 11 |
| First, on or before | November 5 | November 19 | December 5 |
| Season at least | 259 days | 238 days | 218 days |
36°F threshold
| 10% | 50% | 90% | |
|---|---|---|---|
| Last, on or after | May 2 | April 16 | April 4 |
| First, on or before | October 12 | October 27 | November 9 |
| Season at least | 211 days | 192 days | 173 days |
Station HARRISON, NJ US (USC00283704). Completeness flag R, 15 years used for the 32°F dates. NCEI’s annual probability of at least one day at or below 32°F is 100%. Freeze dates are conditional on that threshold occurring. Elevation 7.3 m. The same probability language applies to the 28°F and 36°F rows when those dates passed the same quality checks.
Planting calendar for East Orange · Zone 7a
Check a crop against this station
East Orange, NJ
Zone 7aAverage annual extreme minimum 0°F to 5°F
Outside the median season Growing seasonTicks: 10%, 50%, and 90%
New Jersey. Nearest qualified station: HARRISON, NJ US (USC00283704), 3.3 miles. Median last 32°F April 4. Median first 32°F November 6. The 50% growing-season length is 216 days.
Open the ZIP page · Crop guides for New Jersey
32°F probabilities at this station
| 10% | 50% | 90% | |
|---|---|---|---|
| Last 32°F on or after | April 16 | April 4 | March 23 |
| First 32°F on or before | October 25 | November 6 | November 22 |
Column order matches the NCEI file: for the last freeze, 10% is the later date and 90% is the earlier date. How to read the probabilities.
Planting calendar
Windows below are from Rutgers NJAES, FS129: Planning a Vegetable Garden, retrieved 2026-10-10. The fact sheet gives one statewide month list. Footnote dated April 2020: Mr=March; Ap=April; Ma=May; Ju=June; Jl=July; Au=August; Se=September. Consecutive months are stored as one range; a gap, such as April and July, stays two windows.
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