Frost dates 2026–2027

Frost dates for Berlin, Maryland

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Ocean City Municipal Airport, 5.2 mi away (close match).

Last spring frostApr 7
First fall frostNov 2
209 frost-free days
Last spring frostApr 71 year in 10 after Apr 23
First fall frostNov 21 year in 10 by Oct 20
Growing season209 daysbetween median 32°F dates
Hardiness zoneZone 7b5 to 10°F average extreme low

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Will it freeze in Berlin in the next 7 nights?

No overnight lows at or below 32°F are forecast in Berlin during the next 7 nights in the available NWS frost forecast.

Tonight: forecast low 63°F. Above 36°F.

NWS forecast period: Thu, Nov 5, 6:00 PM EST to Fri, Nov 6, 6:00 AM EST.

No nights at or below 36°F in the National Weather Service forecast for the next 7 nights.

Overnight lows from the National Weather Service forecast for this location. This covers the available forecast window, not the first freeze of the whole season. Frost can form above 32°F on clear, calm nights.

Frost and freeze probabilities

Freeze dates shift from year to year. Spring percentages describe the chance of a freeze after the stated date; fall percentages describe the chance of a freeze by that date. The 10% spring date is the cautious one: a later freeze happens about 1 year in 10.

These dates describe historical probabilities, not this year’s forecast or the earliest and latest possible freezes. Different weather stations or probability thresholds can produce different published dates for the same city.

Average first hard freeze in Berlin

The median first fall hard-freeze date (28°F) is November 14, from NOAA’s 1991–2020 Climate Normals at Ocean City Municipal Airport. This is the 50% probability date, not a forecast for this year.

TemperatureLast spring date
90% · 50% · 10% chance of a later freeze
First fall date
10% · 50% · 90% chance of an earlier freeze
Season
36°F frost possible Apr 5 · Apr 21 · May 8 Oct 11 · Oct 24 · Nov 5 185 days
32°F freeze Mar 24 · Apr 7 · Apr 23 Oct 20 · Nov 2 · Nov 16 209 days
28°F hard freeze Mar 9 · Mar 26 · Apr 7 Nov 1 · Nov 14 · Dec 1 233 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USW00093786. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Ocean City Municipal Airport

Average low temperature by month

Months with lows near or below freezing carry frost risk

Where these frost dates come from

The frost dates for Berlin, MD come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Ocean City Municipal Airport (station USW00093786, elevation 12 ft), 5.2 mi from Berlin. Local conditions (valleys, hilltops, distance to water, city heat) can shift frost dates by days or weeks. The hardiness zone is from the 2023 USDA Plant Hardiness Zone Map (USDA ARS and Oregon State University PRISM). See our methodology.

Frost dates near Berlin

CityDistanceLast spring frostFirst fall frost
Ocean City, MD 8.7 mi Apr 7 Nov 2
Millsboro, DE 19 mi Apr 4 Nov 6
Salisbury, MD 21 mi Apr 3 Nov 7
Fruitland, MD 22 mi Apr 3 Nov 7
Georgetown, DE 27 mi Apr 4 Nov 6
Seaford, DE 31 mi Apr 11 Oct 30
Milford, DE 42 mi Apr 11 Oct 30
Cambridge, MD 49 mi Apr 1 Nov 7
Wildwood, NJ 50 mi Apr 1 Nov 9
Denton, MD 50 mi Apr 11 Oct 30

Frequently asked questions

When is the last frost in Berlin?

On average, the last spring frost (32°F) in Berlin is around April 7. In about 1 year in 10 it comes after April 23, and in 9 years in 10 it comes after March 24.

When is the first frost in Berlin?

The first fall frost (32°F) usually arrives around November 2. There’s a 10% chance of a freeze by October 20 and a 90% chance by November 16.

Can it frost in Berlin after the last frost date?

Yes. Frost can form on clear, calm nights even when the air stays above 32°F. Temperatures of 36°F or lower, cold enough for frost on exposed plants, have a 50% chance of occurring after April 21.

What growing zone is Berlin?

Berlin is in USDA Plant Hardiness Zone 7b (average annual extreme minimum temperature 5 to 10°F), based on the 2023 USDA map for ZIP code 21811. See growing zones in Maryland.

More: all Maryland frost dates · Maryland growing zones · frost vs. freeze