Frost dates 2026–2027

Frost dates for Durham, North Carolina

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Durham, 5.7 mi away (close match).

Last spring frostApr 2
First fall frostNov 4
217 frost-free days
Last spring frostApr 21 year in 10 after Apr 18
First fall frostNov 41 year in 10 by Oct 24
Growing season217 daysbetween median 32°F dates
Hardiness zoneZone 8a10 to 15°F average extreme low

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Will it freeze in Durham in the next 7 nights?

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

Tonight: forecast low 64°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 Durham

The median first fall hard-freeze date (28°F) is November 16, from NOAA’s 1991–2020 Climate Normals at Durham. 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 Mar 30 · Apr 14 · May 1 Oct 13 · Oct 27 · Nov 6 194 days
32°F freeze Mar 15 · Apr 2 · Apr 18 Oct 24 · Nov 4 · Nov 19 217 days
28°F hard freeze Feb 28 · Mar 19 · Apr 6 Nov 2 · Nov 16 · Dec 7 242 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00312515. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Durham

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 Durham, NC come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Durham (station USC00312515, elevation 400 ft), 5.7 mi from Durham. 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 Durham

CityDistanceLast spring frostFirst fall frost
Chapel Hill, NC 8.7 mi Mar 29 Nov 5
Morrisville, NC 11 mi Mar 31 Nov 4
Carrboro, NC 11 mi Mar 31 Nov 3
Hillsborough, NC 13 mi Mar 31 Nov 4
Butner, NC 14 mi Apr 4 Nov 4
Cary, NC 14 mi Mar 27 Nov 8
Creedmoor, NC 16 mi Apr 4 Nov 4
Apex, NC 17 mi Mar 27 Nov 8
Raleigh, NC 17 mi Mar 28 Nov 8
Wake Forest, NC 22 mi Apr 4 Nov 4

Frequently asked questions

When is the last frost in Durham?

On average, the last spring frost (32°F) in Durham is around April 2. In about 1 year in 10 it comes after April 18, and in 9 years in 10 it comes after March 15.

When is the first frost in Durham?

The first fall frost (32°F) usually arrives around November 4. There’s a 10% chance of a freeze by October 24 and a 90% chance by November 19.

Can it frost in Durham 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 14.

What growing zone is Durham?

Durham is in USDA Plant Hardiness Zone 8a (average annual extreme minimum temperature 10 to 15°F), based on the 2023 USDA map for ZIP code 27701. See growing zones in North Carolina.

More: all North Carolina frost dates · North Carolina growing zones · UV index today in Durham · frost vs. freeze