ZIP 01960 Zone 6b

Massachusetts · USDA zone 6b, average annual extreme minimum -5°F to 0°F.

Nearest qualified station: BEVERLY MUNI AP, MA US (USW00054733), 4.3 miles from the Census ZCTA internal point for this ZIP.

Median last 32°F is April 24. Median first 32°F is October 17. The 50% growing-season length is 177 days. The green band runs from the median last frost to the median first frost. Thin ticks mark the 10%, 50%, and 90% dates.

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.

ProbabilityDateHow to read it
90%April 11Earlier date. A last 32°F on or after this day is common.
50%April 24Median.
10%May 6Later 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.

ProbabilityDateHow to read it
10%October 3Earlier date. A first 32°F on or before this day is uncommon.
50%October 17Median.
90%November 2Later 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 longDays
10%197
50%177
90%157

28°F threshold

10%50%90%
Last, on or afterApril 23April 9March 30
First, on or beforeOctober 16November 1November 15
Season at least221 days203 days183 days

36°F threshold

10%50%90%
Last, on or afterMay 21May 6April 25
First, on or beforeSeptember 24October 5October 20
Season at least170 days151 days133 days

Station BEVERLY MUNI AP, MA US (USW00054733). Completeness flag R, 22 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 32.9 m. The same probability language applies to the 28°F and 36°F rows when those dates passed the same quality checks.

Methodology · Massachusetts cities