When is the last frost in Calliham, TX?

For ZIP code 78007, the average last spring frost (32°F) is February 9, based on NOAA 1991-2020 climate normals for the Calliham, TX weather station. There is a 1-in-10 chance of a frost after March 7.

When is the first frost in Calliham, TX?

The average first fall frost (32°F) is December 8. There is a 1-in-10 chance of frost by November 16, so tender plants are at risk from that point on.

How long is the growing season in 78007?

In half of years, the frost-free season (between the last and first 32°F frost) is at least 303 days long.

Are these frost dates a forecast?

No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.

Frost dates for 78007Calliham, TX

The average last spring frost in Calliham is February 9 and the average first fall frost is December 8, giving a typical growing season of about 303 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost: Feb 9
Average first fall frost: Dec 8
Growing season: 303 days

Frost risk by date

NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.

Spring dates: chance of a frost AFTER the date. Fall dates: chance of a frost BEFORE the date.
Temperature	Last spring: 90% / 50% / 10% chance	First fall: 10% / 50% / 90% chance	Growing season (50%)	Years with at least one
Light frost (36°F)	Feb 3 · Feb 28 · Mar 18	Nov 8 · Nov 27 · Dec 17	272 days	100%
Frost / freeze (32°F)	Jan 9 · Feb 9 · Mar 7	Nov 16 · Dec 8 · Jan 5	303 days	99%
Hard freeze (28°F)	Dec 19 · Jan 23 · Feb 26	Nov 29 · Dec 24 · Jan 31	338 days	83%

Where these dates come from

ZIP code 78007 is matched to the NOAA station Calliham, TX, 1.7 km away, at 218 ft elevation (12 ft lower than the ZIP code's center). Nearby stations for comparison:

Station	Elevation	Avg last frost	Avg first frost
Calliham, TX (used)	218 ft	Feb 9	Dec 8
Choke Canyon Dam, TX	230 ft	Feb 8	Dec 6
Tilden 4 Sse, TX	345 ft	Feb 13	Dec 3
Cross, TX	285 ft	Mar 8	Nov 17

Frost dates near Calliham

Three Rivers, TX 78071 · last Feb 8, first Dec 6
Whitsett, TX 78075 · last Feb 8, first Dec 6
Tilden, TX 78072 · last Mar 8, first Nov 17
Oakville, TX 78060 · last Feb 8, first Dec 6
George West, TX 78022 · last Feb 8, first Dec 6
Campbellton, TX 78008 · last Feb 27, first Nov 28
Peggy, TX 78062 · last Feb 8, first Dec 6
Christine, TX 78012 · last Feb 27, first Nov 28

Frequently asked questions

When is the last frost in Calliham, TX?: For ZIP code 78007, the average last spring frost (32°F) is February 9, based on NOAA 1991-2020 climate normals for the Calliham, TX weather station. There is a 1-in-10 chance of a frost after March 7.
When is the first frost in Calliham, TX?: The average first fall frost (32°F) is December 8. There is a 1-in-10 chance of frost by November 16, so tender plants are at risk from that point on.
How long is the growing season in 78007?: In half of years, the frost-free season (between the last and first 32°F frost) is at least 303 days long.
Are these frost dates a forecast?: No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.