Frost dates 2026–2027

Frost dates for Clewiston, Florida

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Clewiston #2, 6.9 mi away (close match).

Last spring frostJan 27
First fall frostJan 13
357 frost-free days
Last spring frostJan 271 year in 10 after Feb 27
First fall frostJan 131 year in 10 by Dec 21
Growing season357 daysbetween median 32°F dates
Hardiness zoneZone 10a30 to 35°F average extreme low

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Will it freeze in Clewiston in the next 7 nights?

No overnight lows at or below 32°F are forecast in Clewiston 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 Clewiston

Most years have no 28°F hard freeze at Clewiston #2, 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 7 · Mar 9 Dec 1 · Jan 3 · Feb 3 325 days
32°F freeze Jan 1 · Jan 27 · Feb 27 Dec 21 · Jan 13 · Feb 14 357 days
28°F hard freeze Jan 1 · Jan 18 · Feb 6 Dec 29 · Jan 11 · Feb 1 365 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00081651. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Clewiston #2

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 Clewiston, FL come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Clewiston #2 (station USC00081651, elevation 18 ft), 6.9 mi from Clewiston. 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 Clewiston

CityDistanceLast spring frostFirst fall frost
South Bay, FL 13 mi rare rare
Belle Glade, FL 17 mi rare rare
Pahokee, FL 18 mi rare rare
LaBelle, FL 32 mi Feb 2 Jan 8
Indiantown, FL 34 mi rare rare
Okeechobee, FL 34 mi Jan 31 Jan 11
Westlake, FL 40 mi rare rare
Wellington, FL 42 mi rare rare
Royal Palm Beach, FL 44 mi rare rare
Palm Beach Gardens, FL 48 mi rare rare

Frequently asked questions

When is the last frost in Clewiston?

On average, the last spring frost (32°F) in Clewiston is around January 27. In about 1 year in 10 it comes after February 27, and in 9 years in 10 it comes after January 1.

When is the first frost in Clewiston?

The first fall frost (32°F) usually arrives around January 13. There’s a 10% chance of a freeze by December 21 and a 90% chance by February 14.

Can it frost in Clewiston 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 7.

What growing zone is Clewiston?

Clewiston is in USDA Plant Hardiness Zone 10a (average annual extreme minimum temperature 30 to 35°F), based on the 2023 USDA map for ZIP code 33440. See growing zones in Florida.

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