Starr County, Texas · Frost dates

Starr County frost dates.

First-frost, last-frost, and growing-season length for Starr County, Texas. Sourced from NOAA 1991-2020 Climate Normals.

Data confidence: high · USDA zone: 8b

32°F — light freeze

Last spring frost

10%
03-04
20%
02-25
50%
01-31
80%
01-08
90%
12-29

First fall frost

10%
11-22
20%
11-30
50%
12-17
80%
01-08
90%
01-20

28°F — killing freeze

Last spring freeze

10%
02-20
20%
02-05
50%
01-12
80%
12-25
90%
12-13

First fall freeze

10%
12-02
20%
12-08
50%
12-29
80%
01-17
90%
02-01

Growing season length (days, 28°F threshold)

Short year
285
Median
351
Long year
415

Source NOAA station

RIO GRANDE CITY, TX US

11.5 mi · 30 yrs of record (19912020) · 172 ft elev.

Data from RIO GRANDE CITY, TX US, 11.5 miles away with 30-year NOAA record (1991-2020).

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