San Jacinto County, Texas · Frost dates

San Jacinto County frost dates.

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

Data confidence: high · USDA zone: 8b

32°F — light freeze

Last spring frost

10%
03-29
20%
03-23
50%
03-07
80%
02-20
90%
02-08

First fall frost

10%
11-02
20%
11-08
50%
11-20
80%
12-03
90%
12-10

28°F — killing freeze

Last spring freeze

10%
03-15
20%
03-07
50%
02-17
80%
01-27
90%
01-15

First fall freeze

10%
11-11
20%
11-20
50%
12-04
80%
12-29
90%
01-08

Growing season length (days, 28°F threshold)

Short year
241
Median
290
Long year
358

Source NOAA station

CLEVELAND, TX US

15.3 mi · 30 yrs of record (19912020) · 196 ft elev.

Data from CLEVELAND, TX US, 15.3 miles away with 30-year NOAA record (1991-2020).

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