Frost dates / New Jersey / Clifton
Frost dates in Clifton, NJ
The station on this page is LITTLE FALLS, NJ US (USC00284887), 3.8 miles from the city point. Population in the Census 2024 estimate is 90,322.
Zone 7aUSDA average annual extreme minimum 0°F to 5°F, from ZIP 07013 (0.8 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% | April 1 | Earlier date. A last 32°F on or after this day is common. |
| 50% | April 15 | Median. |
| 10% | May 1 | 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 13 | Earlier date. A first 32°F on or before this day is uncommon. |
| 50% | October 28 | Median. |
| 90% | November 9 | 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% | 214 |
| 50% | 195 |
| 90% | 174 |
28°F threshold
| 10% | 50% | 90% | |
|---|---|---|---|
| Last, on or after | April 16 | April 2 | March 18 |
| First, on or before | October 24 | November 7 | November 22 |
| Season at least | 240 days | 219 days | 200 days |
36°F threshold
| 10% | 50% | 90% | |
|---|---|---|---|
| Last, on or after | May 12 | April 27 | April 13 |
| First, on or before | October 4 | October 17 | November 1 |
| Season at least | 191 days | 172 days | 151 days |
Station LITTLE FALLS, NJ US (USC00284887). Completeness flag R, 11 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 45.7 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 Clifton · Zone 7a
Check a crop against this station
Clifton, 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: LITTLE FALLS, NJ US (USC00284887), 3.8 miles. Median last 32°F April 15. Median first 32°F October 28. The 50% growing-season length is 195 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 | May 1 | April 15 | April 1 |
| First 32°F on or before | October 13 | October 28 | November 9 |
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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