Frost dates / Massachusetts / Taunton
Frost dates in Taunton, MA
The station on this page is TAUNTON, MA US (USC00198367), 1.5 miles from the city point. Population in the Census 2024 estimate is 61,936.
Zone 6bUSDA average annual extreme minimum -5°F to 0°F, from ZIP 02780 (1.3 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 10 | Earlier date. A last 32°F on or after this day is common. |
| 50% | April 22 | Median. |
| 10% | May 6 | 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 4 | Earlier date. A first 32°F on or before this day is uncommon. |
| 50% | October 19 | Median. |
| 90% | November 4 | 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% | 200 |
| 50% | 179 |
| 90% | 160 |
28°F threshold
| 10% | 50% | 90% | |
|---|---|---|---|
| Last, on or after | April 22 | April 8 | March 28 |
| First, on or before | October 16 | November 1 | November 16 |
| Season at least | 225 days | 205 days | 183 days |
36°F threshold
| 10% | 50% | 90% | |
|---|---|---|---|
| Last, on or after | May 18 | May 4 | April 23 |
| First, on or before | September 27 | October 8 | October 24 |
| Season at least | 177 days | 157 days | 138 days |
Station TAUNTON, MA US (USC00198367). Completeness flag R, 17 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 6.1 m. The same probability language applies to the 28°F and 36°F rows when those dates passed the same quality checks.
Check a crop against this station
Taunton, MA
Zone 6bAverage annual extreme minimum -5°F to 0°F
Outside the median season Growing seasonTicks: 10%, 50%, and 90%
Massachusetts. Nearest qualified station: TAUNTON, MA US (USC00198367), 1.5 miles. Median last 32°F April 22. Median first 32°F October 19. The 50% growing-season length is 179 days.
32°F probabilities at this station
| 10% | 50% | 90% | |
|---|---|---|---|
| Last 32°F on or after | May 6 | April 22 | April 10 |
| First 32°F on or before | October 4 | October 19 | November 4 |
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
Frost dates for Massachusetts are above. Planting windows appear for states with a cited extension guide. The fall and seed tools use the numbers you enter and the station dates.
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