Frost dates / Texas / Galveston

Frost dates in Galveston, TX

The station on this page is GALVESTON SCHOLES FLD, TX US (USW00012923), 8.8 miles from the city point. Population in the Census 2024 estimate is 53,538.

Zone 10aUSDA average annual extreme minimum 30°F to 35°F, from ZIP 77554 (4.2 miles from the city point used on this page).

Median last 32°F is January 18. Median first 32°F is January 7. The 50% growing-season length is 365 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%	December 21	Earlier date. A last 32°F on or after this day is common.
50%	January 18	Median.
10%	February 18	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%	December 13	Earlier date. A first 32°F on or before this day is uncommon.
50%	January 7	Median.
90%	February 7	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%	365
50%	365
90%	328

28°F threshold

	10%	50%	90%
Last, on or after	February 11	January 9	December 17
First, on or before	December 15	January 8	February 8
Season at least	365 days	365 days	358 days

36°F threshold

	10%	50%	90%
Last, on or after	March 2	January 30	December 30
First, on or before	December 1	December 26	January 23
Season at least	365 days	334 days	298 days

Station GALVESTON SCHOLES FLD, TX US (USW00012923). Completeness flag R, 24 years used for the 32°F dates. NCEI’s annual probability of at least one day at or below 32°F is 48.4%. Freeze dates are conditional on that threshold occurring. Elevation 1.5 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 Galveston · Zone 10a

Check a crop against this station

Galveston, TX

Zone 10aAverage annual extreme minimum 30°F to 35°F

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

Texas. Nearest qualified station: GALVESTON SCHOLES FLD, TX US (USW00012923), 8.8 miles. Median last 32°F January 18. Median first 32°F January 7. The 50% growing-season length is 365 days.

Open the ZIP page · Crop guides for Texas

32°F probabilities at this station

	10%	50%	90%
Last 32°F on or after	February 18	January 18	December 21
First 32°F on or before	December 13	January 7	February 7

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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