Frost dates 2026–2027

Frost dates for Beaufort, South Carolina

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Beaufort Mcas, 1.8 mi away (close match).

Last spring frostFeb 28
First fall frostDec 3
279 frost-free days
Last spring frostFeb 281 year in 10 after Mar 21
First fall frostDec 31 year in 10 by Nov 14
Growing season279 daysbetween median 32°F dates
Hardiness zoneZone 9a20 to 25°F average extreme low

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Will it freeze in Beaufort in the next 7 nights?

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

Tonight: forecast low 67°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 Beaufort

The median first fall hard-freeze date (28°F) is December 27, from NOAA’s 1991–2020 Climate Normals at Beaufort Mcas. 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 Feb 22 · Mar 14 · Mar 31 Nov 4 · Nov 18 · Dec 8 249 days
32°F freeze Feb 2 · Feb 28 · Mar 21 Nov 14 · Dec 3 · Jan 1 279 days
28°F hard freeze Jan 8 · Feb 8 · Mar 8 Dec 1 · Dec 27 · Jan 28 312 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USW00093831. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Beaufort Mcas

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 Beaufort, SC come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Beaufort Mcas (station USW00093831, elevation 37 ft), 1.8 mi from Beaufort. 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 Beaufort

CityDistanceLast spring frostFirst fall frost
Port Royal, SC 7.5 mi Mar 3 Dec 9
Hilton Head Island, SC 19 mi Mar 3 Dec 9
Bluffton, SC 21 mi Mar 2 Nov 30
Hardeeville, SC 22 mi Mar 2 Nov 30
Walterboro, SC 30 mi Mar 19 Nov 12
Rincon, GA 32 mi Mar 2 Nov 30
Port Wentworth, GA 34 mi Mar 2 Nov 30
Hollywood, SC 37 mi Mar 1 Dec 6
Garden City, GA 37 mi Mar 2 Nov 30
Pooler, GA 40 mi Mar 2 Nov 30

Frequently asked questions

When is the last frost in Beaufort?

On average, the last spring frost (32°F) in Beaufort is around February 28. In about 1 year in 10 it comes after March 21, and in 9 years in 10 it comes after February 2.

When is the first frost in Beaufort?

The first fall frost (32°F) usually arrives around December 3. There’s a 10% chance of a freeze by November 14 and a 90% chance by January 1.

Can it frost in Beaufort 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 March 14.

What growing zone is Beaufort?

Beaufort is in USDA Plant Hardiness Zone 9a (average annual extreme minimum temperature 20 to 25°F), based on the 2023 USDA map for ZIP code 29904. See growing zones in South Carolina.

More: all South Carolina frost dates · South Carolina growing zones · frost vs. freeze