Frost dates / Texas / Pharr

Frost dates in Pharr, TX

The station on this page is MCALLEN MILLER INTL AP, TX US (USW00012959), 4 miles from the city point. Population in the Census 2024 estimate is 81,142.

Zone 10aUSDA average annual extreme minimum 30°F to 35°F, from ZIP 78577 (0 miles from the city point used on this page).

Median last 32°F is January 9. Median first 32°F is January 3. 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 17	Earlier date. A last 32°F on or after this day is common.
50%	January 9	Median.
10%	February 13	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 11	Earlier date. A first 32°F on or before this day is uncommon.
50%	January 3	Median.
90%	February 9	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%	341

36°F threshold

	10%	50%	90%
Last, on or after	February 22	January 19	December 17
First, on or before	November 30	December 29	February 5
Season at least	365 days	348 days	308 days

Station MCALLEN MILLER INTL AP, TX US (USW00012959). Completeness flag R, 22 years used for the 32°F dates. NCEI’s annual probability of at least one day at or below 32°F is 29%. Freeze dates are conditional on that threshold occurring. Elevation 30.5 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 Pharr · Zone 10a

Check a crop against this station

Pharr, 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: MCALLEN MILLER INTL AP, TX US (USW00012959), 4 miles. Median last 32°F January 9. Median first 32°F January 3. 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 13	January 9	December 17
First 32°F on or before	December 11	January 3	February 9

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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