Frost dates 2026–2027

Frost dates for Brookshire, Texas

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Sealy, 12 mi away (close match).

Last spring frostFeb 28
First fall frostNov 30
276 frost-free days
Last spring frostFeb 281 year in 10 after Mar 21
First fall frostNov 301 year in 10 by Nov 9
Growing season276 daysbetween median 32°F dates
Hardiness zoneZone 9a20 to 25°F average extreme low

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Will it freeze in Brookshire in the next 7 nights?

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

Tonight: forecast low 60°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 Brookshire

The median first fall hard-freeze date (28°F) is December 20, from NOAA’s 1991–2020 Climate Normals at Sealy. 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 20 · Mar 13 · Apr 5 Nov 1 · Nov 17 · Dec 6 249 days
32°F freeze Jan 30 · Feb 28 · Mar 21 Nov 9 · Nov 30 · Dec 29 276 days
28°F hard freeze Jan 2 · Feb 10 · Mar 9 Nov 20 · Dec 20 · Jan 29 314 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00418160. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Sealy

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 Brookshire, TX come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Sealy (station USC00418160, elevation 196 ft), 12 mi from Brookshire. 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 Brookshire

CityDistanceLast spring frostFirst fall frost
Katy, TX 6.8 mi Feb 2 Dec 11
Fulshear, TX 7.5 mi Feb 9 Dec 13
Sealy, TX 12 mi Feb 28 Nov 30
Rosenberg, TX 18 mi Feb 9 Dec 13
Richmond, TX 18 mi Feb 9 Dec 13
Waller, TX 20 mi Feb 28 Dec 2
Prairie View, TX 21 mi Feb 28 Dec 2
Sugar Land, TX 23 mi Feb 9 Dec 13
Hempstead, TX 23 mi Feb 28 Dec 2
Jersey Village, TX 24 mi Feb 19 Dec 3

Frequently asked questions

When is the last frost in Brookshire?

On average, the last spring frost (32°F) in Brookshire is around February 28. In about 1 year in 10 it comes after March 21, and in 9 years in 10 it comes after January 30.

When is the first frost in Brookshire?

The first fall frost (32°F) usually arrives around November 30. There’s a 10% chance of a freeze by November 9 and a 90% chance by December 29.

Can it frost in Brookshire 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 13.

What growing zone is Brookshire?

Brookshire is in USDA Plant Hardiness Zone 9a (average annual extreme minimum temperature 20 to 25°F), based on the 2023 USDA map for ZIP code 77466. See growing zones in Texas.

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