Plant By Frost

Texas

Frost dates for Rockport Aransas Co Airport, TX

At this NOAA station the last spring frost (32°F) usually comes by January 23 and the first fall frost around January 1, giving a growing season of about 347 days.

January 23average last spring frost
January 1average first fall frost

Frost odds

1 year in 10 the last spring frost is later thanFebruary 27
Half of years the last spring frost is later thanJanuary 23
9 years in 10 the last spring frost is later thanDecember 19
1 year in 10 the first fall frost is earlier thanDecember 4
Half of years the first fall frost is earlier thanJanuary 1
9 years in 10 the first fall frost is earlier thanFebruary 3

A hard freeze (28°F) usually ends by January 8 and returns around January 4.

A light frost (36°F, which can still nip tender plants) usually ends by February 6 and returns around December 13.

Station USW00012972, elevation 7 m. Based on 19 years of 1991 to 2020 records. A garden higher up, in a hollow or far from this station can freeze later in spring.

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Sources

  1. U.S. Annual/Seasonal Climate Normals, 1991 to 2020 (freeze probability dates by station), NOAA National Centers for Environmental Information, checked 1 November 2026
  2. Annual/Seasonal Normals 1991 to 2020 documentation, NOAA National Centers for Environmental Information, checked 1 November 2026
  3. 2024 Gazetteer Files, ZIP Code Tabulation Areas, US Census Bureau, checked 1 November 2026