Frost dates 2026–2027

Frost dates for Jacksonville, Florida

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Jacksonville NAS, 7.1 mi away (close match).

Last spring frostFeb 1
First fall frostJan 5
330 frost-free days
Last spring frostFeb 11 year in 10 after Mar 3
First fall frostJan 51 year in 10 by Dec 3
Growing season330 daysbetween median 32°F dates
Hardiness zoneZone 9b25 to 30°F average extreme low

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Will it freeze in Jacksonville in the next 7 nights?

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

Tonight: forecast low 69°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 Jacksonville

Most years have no 28°F hard freeze at Jacksonville NAS, according to NOAA’s 1991–2020 Climate Normals. Check the short-term forecast above during cold snaps.

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 Jan 20 · Feb 18 · Mar 15 Nov 20 · Dec 17 · Jan 22 302 days
32°F freeze Dec 31 · Feb 1 · Mar 3 Dec 3 · Jan 5 · Feb 6 330 days
28°F hard freeze Dec 28 · Jan 22 · Feb 19 Dec 19 · Jan 14 · Feb 12 365 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USW00093837. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Jacksonville NAS

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 Jacksonville, FL come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Jacksonville NAS (station USW00093837, elevation 20 ft), 7.1 mi from Jacksonville. 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 Jacksonville

CityDistanceLast spring frostFirst fall frost
Orange Park, FL 12 mi Feb 1 Jan 5
Atlantic Beach, FL 16 mi Jan 31 Jan 10
Neptune Beach, FL 16 mi Jan 31 Jan 10
Jacksonville Beach, FL 17 mi Jan 31 Jan 10
Green Cove Springs, FL 24 mi Feb 1 Jan 5
Fernandina Beach, FL 25 mi Feb 2 Jan 4
Macclenny, FL 28 mi Mar 8 Dec 1
St. Marys, GA 29 mi Feb 19 Dec 14
Kingsland, GA 36 mi Mar 14 Nov 25
St. Augustine, FL 37 mi Feb 1 Jan 5

Frequently asked questions

When is the last frost in Jacksonville?

On average, the last spring frost (32°F) in Jacksonville is around February 1. In about 1 year in 10 it comes after March 3, and in 9 years in 10 it comes after December 31.

When is the first frost in Jacksonville?

The first fall frost (32°F) usually arrives around January 5. There’s a 10% chance of a freeze by December 3 and a 90% chance by February 6.

Can it frost in Jacksonville 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 February 18.

What growing zone is Jacksonville?

Jacksonville is in USDA Plant Hardiness Zone 9b (average annual extreme minimum temperature 25 to 30°F), based on the 2023 USDA map for ZIP code 32203. See growing zones in Florida.

More: all Florida frost dates · Florida growing zones · UV index today in Jacksonville · frost vs. freeze