Frost dates / Texas / Hutto

Frost dates in Hutto, TX

The station on this page is TAYLOR 1NW, TX US (USC00418862), 8.2 miles from the city point. Population in the Census 2024 estimate is 42,661.

Zone 9aUSDA average annual extreme minimum 20°F to 25°F, from ZIP 78634 (1.3 miles from the city point used on this page).

Median last 32°F is March 8. Median first 32°F is November 21. The 50% growing-season length is 257 days. The green band runs from the median last frost to the median first frost. Thin ticks mark the 10%, 50%, and 90% dates.

Outside the median season Growing seasonTicks: 10%, 50%, and 90%

Last 32°F in spring

NCEI’s probability is the chance the last spring minimum of 32°F or lower occurs on or after the date.

Probability	Date	How to read it
90%	February 14	Earlier date. A last 32°F on or after this day is common.
50%	March 8	Median.
10%	March 30	Later date. A last 32°F on or after this day is uncommon.

First 32°F in fall

NCEI’s probability is the chance the first autumn minimum of 32°F or lower occurs on or before the date.

Probability	Date	How to read it
10%	November 2	Earlier date. A first 32°F on or before this day is uncommon.
50%	November 21	Median.
90%	December 12	Later date. A first 32°F on or before this day is common.

32°F growing-season length

Days between the last spring 32°F and the first autumn 32°F. The figure is a length the season meets or exceeds at that probability, from NCEI, not a subtraction done on this site.

Probability the season is at least this long	Days
10%	286
50%	257
90%	229

28°F threshold

	10%	50%	90%
Last, on or after	March 15	February 24	January 22
First, on or before	November 12	December 4	January 2
Season at least	326 days	286 days	253 days

36°F threshold

	10%	50%	90%
Last, on or after	April 10	March 21	March 1
First, on or before	October 26	November 9	November 30
Season at least	261 days	233 days	208 days

Station TAYLOR 1NW, TX US (USC00418862). Completeness flag R, 18 years used for the 32°F dates. NCEI’s annual probability of at least one day at or below 32°F is 100%. Freeze dates are conditional on that threshold occurring. Elevation 174 m. The same probability language applies to the 28°F and 36°F rows when those dates passed the same quality checks.

Planting calendar for Hutto · Zone 9a

Check a crop against this station

Hutto, TX

Zone 9aAverage annual extreme minimum 20°F to 25°F

Outside the median season Growing seasonTicks: 10%, 50%, and 90%

Texas. Nearest qualified station: TAYLOR 1NW, TX US (USC00418862), 8.2 miles. Median last 32°F March 8. Median first 32°F November 21. The 50% growing-season length is 257 days.

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32°F probabilities at this station

	10%	50%	90%
Last 32°F on or after	March 30	March 8	February 14
First 32°F on or before	November 2	November 21	December 12

Column order matches the NCEI file: for the last freeze, 10% is the later date and 90% is the earlier date. How to read the probabilities.

A wall calendar surrounded by vegetables, herbs, seed packets, and watering cans.

Planting calendar

Windows below are from Texas A&M AgriLife Extension, Texas Home Vegetable Gardening Guide, retrieved 2026-10-10. Table 8 is statewide and is written as weeks before or after the frost-free date (spring) and the first freeze date (fall). It is not a single calendar date for every Texas city.

Crop

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