Frost dates / New York / White Plains
Frost dates in White Plains, NY
The station on this page is WESTCHESTER CO AP, NY US (USW00094745), 3.7 miles from the city point. Population in the Census 2024 estimate is 62,561.
Zone 7aUSDA average annual extreme minimum 0°F to 5°F, from ZIP 10601 (1 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 12 | Median. |
| 10% | April 27 | 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 15 | Earlier date. A first 32°F on or before this day is uncommon. |
| 50% | October 31 | Median. |
| 90% | November 14 | 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% | 219 |
| 50% | 200 |
| 90% | 179 |
28°F threshold
| 10% | 50% | 90% | |
|---|---|---|---|
| Last, on or after | April 13 | April 1 | March 18 |
| First, on or before | October 29 | November 13 | November 29 |
| Season at least | 245 days | 224 days | 204 days |
36°F threshold
| 10% | 50% | 90% | |
|---|---|---|---|
| Last, on or after | May 11 | April 26 | April 13 |
| First, on or before | October 2 | October 18 | November 2 |
| Season at least | 193 days | 174 days | 152 days |
Station WESTCHESTER CO AP, NY US (USW00094745). Completeness flag S, 28 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 115.5 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 White Plains · Zone 7a
Check a crop against this station
White Plains, NY
Zone 7aAverage annual extreme minimum 0°F to 5°F
Outside the median season Growing seasonTicks: 10%, 50%, and 90%
New York. Nearest qualified station: WESTCHESTER CO AP, NY US (USW00094745), 3.7 miles. Median last 32°F April 12. Median first 32°F October 31. The 50% growing-season length is 200 days.
Open the ZIP page · Crop guides for New York
32°F probabilities at this station
| 10% | 50% | 90% | |
|---|---|---|---|
| Last 32°F on or after | April 27 | April 12 | April 1 |
| First 32°F on or before | October 15 | October 31 | November 14 |
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 Cornell University, Cornell Vegetables, Vegetable planting dates for Upstate New York, retrieved 2026-10-10. It’s based on areas with last spring frost around May 20 and first fall frost around October 1. Dates below are the outdoor ranges printed in that table, not a conversion into weeks before frost.
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