Frost dates 2026–2027

Frost dates for Berlin, New Jersey

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Indian Mills 2 W, 8.3 mi away (close match).

Last spring frostApr 28
First fall frostOct 15
169 frost-free days
Last spring frostApr 281 year in 10 after May 16
First fall frostOct 151 year in 10 by Oct 3
Growing season169 daysbetween median 32°F dates
Hardiness zoneZone 7a0 to 5°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 62°F. Above 36°F.

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

1 of the next 7 nights are forecast at 36°F or colder, cold enough for frost on exposed plants.

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 October 27, from NOAA’s 1991–2020 Climate Normals at Indian Mills 2 W. 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 25 · May 10 · May 26 Sep 24 · Oct 5 · Oct 18 147 days
32°F freeze Apr 14 · Apr 28 · May 16 Oct 3 · Oct 15 · Oct 30 169 days
28°F hard freeze Mar 29 · Apr 15 · Apr 30 Oct 10 · Oct 27 · Nov 8 194 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00284229. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Indian Mills 2 W

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, NJ come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Indian Mills 2 W (station USC00284229, elevation 100 ft), 8.3 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
Pine Hill, NJ 2.5 mi Apr 8 Nov 1
Clementon, NJ 2.5 mi Apr 8 Nov 1
Lindenwold, NJ 3.1 mi Apr 8 Nov 1
Stratford, NJ 5.0 mi Apr 8 Nov 1
Somerdale, NJ 5.6 mi Apr 12 Nov 1
Barrington, NJ 8.1 mi Apr 15 Oct 31
Runnemede, NJ 8.7 mi Apr 8 Nov 1
Haddonfield, NJ 8.7 mi Apr 15 Oct 31
Haddon Heights, NJ 9.3 mi Apr 15 Oct 31
Bellmawr, NJ 9.9 mi Apr 2 Nov 10

Frequently asked questions

When is the last frost in Berlin?

On average, the last spring frost (32°F) in Berlin is around April 28. In about 1 year in 10 it comes after May 16, and in 9 years in 10 it comes after April 14.

When is the first frost in Berlin?

The first fall frost (32°F) usually arrives around October 15. There’s a 10% chance of a freeze by October 3 and a 90% chance by October 30.

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 May 10.

What growing zone is Berlin?

Berlin is in USDA Plant Hardiness Zone 7a (average annual extreme minimum temperature 0 to 5°F), based on the 2023 USDA map for ZIP code 08091. See growing zones in New Jersey.

More: all New Jersey frost dates · New Jersey growing zones · frost vs. freeze