Last frost date in San Antonio, Texas

February 25

Average last frost in spring. In an early year (1 in 10) it's over by January 28; in a late year (1 in 10) it comes after March 19.

November 28

Average first frost in fall. 1 year in 10 it comes by November 7.

Source: NOAA U.S. Climate Normals 1991–2020, station San Antonio Incarnate Word (USC00417947), 3.2 miles from San Antonio, elevation 700 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.

What to plant now

Frost dates for San Antonio, Texas
Early yearAverageLate year
Last frost in springJan 28Feb 25Mar 19
First frost in fallNov 7Nov 28Dec 21

Frost-free days in an average year: 277

Light frost, frost and hard freeze in San Antonio
Chance in a yearAverage last in springAverage first in fall
Light frost (36°F)Every yearMar 10Nov 16
Frost (32°F)Every yearFeb 25Nov 28
Hard freeze (28°F)9 years in 10Feb 5Dec 15

Nights at 32°F or colder in an average year: 22

What to plant now in San Antonio

Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5. How we match the table.

Nearby in Texas

All 252 places in Texas

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