Frost dates 2026–2027

Frost dates for Somerdale, New Jersey

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Moorestown, 7.8 mi away (close match).

Last spring frostApr 12
First fall frostNov 1
200 frost-free days
Last spring frostApr 121 year in 10 after May 3
First fall frostNov 11 year in 10 by Oct 17
Growing season200 daysbetween median 32°F dates
Hardiness zoneZone 7b5 to 10°F average extreme low

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Will it freeze in Somerdale in the next 7 nights?

No overnight lows at or below 32°F are forecast in Somerdale 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.

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 Somerdale

The median first fall hard-freeze date (28°F) is November 12, from NOAA’s 1991–2020 Climate Normals at Moorestown. 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 10 · Apr 29 · May 16 Oct 5 · Oct 19 · Nov 2 172 days
32°F freeze Mar 28 · Apr 12 · May 3 Oct 17 · Nov 1 · Nov 14 200 days
28°F hard freeze Mar 13 · Mar 29 · Apr 16 Oct 31 · Nov 12 · Nov 30 228 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00285728. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Moorestown

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 Somerdale, NJ come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Moorestown (station USC00285728, elevation 45 ft), 7.8 mi from Somerdale. 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 Somerdale

CityDistanceLast spring frostFirst fall frost
Stratford, NJ 1.2 mi Apr 8 Nov 1
Barrington, NJ 2.5 mi Apr 15 Oct 31
Lindenwold, NJ 2.5 mi Apr 8 Nov 1
Runnemede, NJ 3.1 mi Apr 8 Nov 1
Haddon Heights, NJ 3.1 mi Apr 15 Oct 31
Haddonfield, NJ 3.7 mi Apr 15 Oct 31
Clementon, NJ 3.7 mi Apr 8 Nov 1
Audubon, NJ 4.3 mi Apr 15 Oct 31
Bellmawr, NJ 4.3 mi Apr 2 Nov 10
Pine Hill, NJ 5.0 mi Apr 8 Nov 1

Frequently asked questions

When is the last frost in Somerdale?

On average, the last spring frost (32°F) in Somerdale is around April 12. In about 1 year in 10 it comes after May 3, and in 9 years in 10 it comes after March 28.

When is the first frost in Somerdale?

The first fall frost (32°F) usually arrives around November 1. There’s a 10% chance of a freeze by October 17 and a 90% chance by November 14.

Can it frost in Somerdale 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 29.

What growing zone is Somerdale?

Somerdale 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 08083. See growing zones in New Jersey.

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