Frost dates 2026–2027

Frost dates for Deltona, Florida

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Sanford, 7.5 mi away (close match).

Last spring frostJan 26
First fall frostJan 12
359 frost-free days
Last spring frostJan 261 year in 10 after Feb 24
First fall frostJan 121 year in 10 by Dec 20
Growing season359 daysbetween median 32°F dates
Hardiness zoneZone 9b25 to 30°F average extreme low

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Will it freeze in Deltona in the next 7 nights?

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

Tonight: forecast low 68°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 Deltona

Most years have no 28°F hard freeze at Sanford, 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 8 · Feb 4 · Mar 6 Dec 9 · Jan 6 · Feb 6 328 days
32°F freeze Dec 31 · Jan 26 · Feb 24 Dec 20 · Jan 12 · Feb 10 359 days
28°F hard freeze Dec 25 · Jan 13 · Feb 6 Dec 19 · Jan 11 · Feb 5 365 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00087982. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Sanford

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 Deltona, FL come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Sanford (station USC00087982, elevation 12 ft), 7.5 mi from Deltona. 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 Deltona

CityDistanceLast spring frostFirst fall frost
Orange City, FL 5.0 mi Feb 17 Dec 30
DeBary, FL 6.8 mi Jan 26 Jan 12
Sanford, FL 8.7 mi Jan 26 Jan 12
DeLand, FL 9.3 mi Feb 17 Dec 30
Lake Mary, FL 12 mi Jan 26 Jan 12
Winter Springs, FL 16 mi Jan 24 Jan 9
Longwood, FL 16 mi Jan 24 Jan 9
Edgewater, FL 17 mi rare rare
Oviedo, FL 17 mi Jan 24 Jan 9
New Smyrna Beach, FL 17 mi rare rare

Frequently asked questions

When is the last frost in Deltona?

On average, the last spring frost (32°F) in Deltona is around January 26. In about 1 year in 10 it comes after February 24, and in 9 years in 10 it comes after December 31.

When is the first frost in Deltona?

The first fall frost (32°F) usually arrives around January 12. There’s a 10% chance of a freeze by December 20 and a 90% chance by February 10.

Can it frost in Deltona 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 4.

What growing zone is Deltona?

Deltona 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 32738. See growing zones in Florida.

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