Frost dates / Massachusetts / Beverly

Frost dates in Beverly, MA

The station on this page is BEVERLY, MA US (USC00190593), 2.2 miles from the city point. Population in the Census 2024 estimate is 43,223.

Zone 6bUSDA average annual extreme minimum -5°F to 0°F, from ZIP 01965 (1.2 miles from the city point used on this page).

Median last 32°F is May 4. Median first 32°F is October 12. The 50% growing-season length is 160 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.

Probability	Date	How to read it
90%	April 24	Earlier date. A last 32°F on or after this day is common.
50%	May 4	Median.
10%	May 17	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 1	Earlier date. A first 32°F on or before this day is uncommon.
50%	October 12	Median.
90%	October 28	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%	179
50%	160
90%	142

28°F threshold

	10%	50%	90%
Last, on or after	May 5	April 23	April 9
First, on or before	October 10	October 25	November 8
Season at least	204 days	184 days	164 days

36°F threshold

	10%	50%	90%
Last, on or after	May 26	May 15	May 3
First, on or before	September 19	October 1	October 14
Season at least	155 days	139 days	121 days

Station BEVERLY, MA US (USC00190593). Completeness flag R, 18 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 19.8 m. The same probability language applies to the 28°F and 36°F rows when those dates passed the same quality checks.

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Beverly, 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: BEVERLY, MA US (USC00190593), 2.2 miles. Median last 32°F May 4. Median first 32°F October 12. The 50% growing-season length is 160 days.

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32°F probabilities at this station

	10%	50%	90%
Last 32°F on or after	May 17	May 4	April 24
First 32°F on or before	October 1	October 12	October 28

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.

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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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