Frost dates 2026–2027

Frost dates for Demopolis, Alabama

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Demopolis L&d, 3.4 mi away (close match).

Last spring frostMar 16
First fall frostNov 14
241 frost-free days
Last spring frostMar 161 year in 10 after Apr 3
First fall frostNov 141 year in 10 by Oct 31
Growing season241 daysbetween median 32°F dates
Hardiness zoneZone 8b15 to 20°F average extreme low

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Will it freeze in Demopolis in the next 7 nights?

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

Tonight: forecast low 49°F. Above 36°F.

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

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 Demopolis

The median first fall hard-freeze date (28°F) is November 26, from NOAA’s 1991–2020 Climate Normals at Demopolis L&d. 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 11 · Mar 29 · Apr 14 Oct 20 · Nov 3 · Nov 19 219 days
32°F freeze Feb 26 · Mar 16 · Apr 3 Oct 31 · Nov 14 · Dec 1 241 days
28°F hard freeze Feb 9 · Mar 2 · Mar 19 Nov 9 · Nov 26 · Dec 21 270 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00012245. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Demopolis L&d

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 Demopolis, AL come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Demopolis L&d (station USC00012245, elevation 100 ft), 3.4 mi from Demopolis. 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 Demopolis

CityDistanceLast spring frostFirst fall frost
Selma, AL 47 mi Mar 8 Nov 18
Meridian, MS 51 mi Mar 16 Nov 12
Tuscaloosa, AL 53 mi Mar 18 Nov 10
Northport, AL 54 mi Mar 18 Nov 10
Montevallo, AL 71 mi Mar 12 Nov 16
Monroeville, AL 74 mi Mar 10 Nov 17
Clanton, AL 74 mi Mar 22 Nov 10
Calera, AL 76 mi Mar 12 Nov 16
Alabaster, AL 76 mi Mar 12 Nov 16
Helena, AL 77 mi Mar 19 Nov 8

Frequently asked questions

When is the last frost in Demopolis?

On average, the last spring frost (32°F) in Demopolis is around March 16. In about 1 year in 10 it comes after April 3, and in 9 years in 10 it comes after February 26.

When is the first frost in Demopolis?

The first fall frost (32°F) usually arrives around November 14. There’s a 10% chance of a freeze by October 31 and a 90% chance by December 1.

Can it frost in Demopolis 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 29.

What growing zone is Demopolis?

Demopolis is in USDA Plant Hardiness Zone 8b (average annual extreme minimum temperature 15 to 20°F), based on the 2023 USDA map for ZIP code 36742. See growing zones in Alabama.

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