ZIP 75104 Zone 8b

Texas · USDA zone 8b, average annual extreme minimum 15°F to 20°F.

Nearest qualified station: ARLINGTON MUNI AP, TX US (USW00053907), 8.9 miles from the Census ZCTA internal point for this ZIP.

Median last 32°F is March 9. Median first 32°F is November 21. The 50% growing-season length is 256 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.

ProbabilityDateHow to read it
90%February 18Earlier date. A last 32°F on or after this day is common.
50%March 9Median.
10%March 28Later 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.

ProbabilityDateHow to read it
10%November 3Earlier date. A first 32°F on or before this day is uncommon.
50%November 21Median.
90%December 7Later 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 longDays
10%282
50%256
90%229

28°F threshold

10%50%90%
Last, on or afterMarch 14February 25January 29
First, on or beforeNovember 14December 4December 30
Season at least319 days285 days254 days

36°F threshold

10%50%90%
Last, on or afterApril 15March 24March 3
First, on or beforeOctober 22November 8November 26
Season at least257 days229 days204 days

Station ARLINGTON MUNI AP, TX US (USW00053907). 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 192 m. The same probability language applies to the 28°F and 36°F rows when those dates passed the same quality checks.

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