Frost dates 2026–2027

Frost dates for Jasper, Alabama

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Jasper, 4.6 mi away (close match).

Last spring frostMar 30
First fall frostNov 4
220 frost-free days
Last spring frostMar 301 year in 10 after Apr 16
First fall frostNov 41 year in 10 by Oct 22
Growing season220 daysbetween median 32°F dates
Hardiness zoneZone 8a10 to 15°F average extreme low

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Will it freeze in Jasper in the next 7 nights?

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

Tonight: forecast low 46°F. Above 36°F.

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

2 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 Jasper

The median first fall hard-freeze date (28°F) is November 15, from NOAA’s 1991–2020 Climate Normals at Jasper. 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 26 · Apr 11 · Apr 29 Oct 14 · Oct 25 · Nov 6 198 days
32°F freeze Mar 10 · Mar 30 · Apr 16 Oct 22 · Nov 4 · Nov 19 220 days
28°F hard freeze Feb 24 · Mar 14 · Apr 3 Nov 1 · Nov 15 · Dec 4 247 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00014226. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Jasper

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 Jasper, AL come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Jasper (station USC00014226, elevation 486 ft), 4.6 mi from Jasper. 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 Jasper

CityDistanceLast spring frostFirst fall frost
Gardendale, AL 29 mi Apr 4 Nov 1
Pleasant Grove, AL 30 mi Mar 23 Nov 10
Fultondale, AL 31 mi Mar 21 Nov 11
Fairfield, AL 33 mi Mar 23 Nov 10
Cullman, AL 34 mi Mar 31 Nov 1
Hueytown, AL 34 mi Mar 23 Nov 10
Tarrant, AL 34 mi Mar 21 Nov 11
Birmingham, AL 35 mi Mar 21 Nov 11
Pinson, AL 36 mi Apr 4 Nov 1
Center Point, AL 37 mi Apr 4 Nov 1

Frequently asked questions

When is the last frost in Jasper?

On average, the last spring frost (32°F) in Jasper is around March 30. In about 1 year in 10 it comes after April 16, and in 9 years in 10 it comes after March 10.

When is the first frost in Jasper?

The first fall frost (32°F) usually arrives around November 4. There’s a 10% chance of a freeze by October 22 and a 90% chance by November 19.

Can it frost in Jasper 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 11.

What growing zone is Jasper?

Jasper 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 35501. See growing zones in Alabama.

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