Frost dates 2026–2027

Frost dates for Wharton, Texas

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at El Campo, 13 mi away (close match).

Last spring frostFeb 23
First fall frostDec 5
287 frost-free days
Last spring frostFeb 231 year in 10 after Mar 16
First fall frostDec 51 year in 10 by Nov 15
Growing season287 daysbetween median 32°F dates
Hardiness zoneZone 9b25 to 30°F average extreme low

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Will it freeze in Wharton in the next 7 nights?

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

Tonight: forecast low 62°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 Wharton

The median first fall hard-freeze date (28°F) is December 25, from NOAA’s 1991–2020 Climate Normals at El Campo. 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 Feb 15 · Mar 7 · Mar 30 Nov 4 · Nov 25 · Dec 13 259 days
32°F freeze Jan 22 · Feb 23 · Mar 16 Nov 15 · Dec 5 · Jan 4 287 days
28°F hard freeze Dec 29 · Feb 2 · Mar 5 Nov 30 · Dec 25 · Jan 27 324 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00412786. How to read these probabilities.

Average high temperature by month

1991–2020 normals at El Campo

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 Wharton, TX come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: El Campo (station USC00412786, elevation 110 ft), 13 mi from Wharton. 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 Wharton

CityDistanceLast spring frostFirst fall frost
El Campo, TX 13 mi Feb 23 Dec 5
Rosenberg, TX 24 mi Feb 9 Dec 13
Bay City, TX 25 mi Feb 20 Dec 3
Richmond, TX 27 mi Feb 9 Dec 13
Fulshear, TX 29 mi Feb 9 Dec 13
Sealy, TX 31 mi Feb 28 Nov 30
Brookshire, TX 34 mi Feb 28 Nov 30
Sugar Land, TX 34 mi Feb 9 Dec 13
Katy, TX 36 mi Feb 2 Dec 11
Missouri City, TX 38 mi Feb 15 Dec 6

Frequently asked questions

When is the last frost in Wharton?

On average, the last spring frost (32°F) in Wharton is around February 23. In about 1 year in 10 it comes after March 16, and in 9 years in 10 it comes after January 22.

When is the first frost in Wharton?

The first fall frost (32°F) usually arrives around December 5. There’s a 10% chance of a freeze by November 15 and a 90% chance by January 4.

Can it frost in Wharton 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 7.

What growing zone is Wharton?

Wharton 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 77488. See growing zones in Texas.

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