When is the last frost in Friendswood, TX?

For ZIP code 77549, the average last spring frost (32°F) is January 31, based on NOAA 1991-2020 climate normals for the Houston Clover Fld, TX weather station. There is a 1-in-10 chance of a frost after March 5.

When is the first frost in Friendswood, TX?

The average first fall frost (32°F) is December 27. There is a 1-in-10 chance of frost by November 28, so tender plants are at risk from that point on.

How long is the growing season in 77549?

In half of years, the frost-free season (between the last and first 32°F frost) is at least 328 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 77549Friendswood, TX

The average last spring frost in Friendswood is January 31 and the average first fall frost is December 27, giving a typical growing season of about 328 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost: Jan 31
Average first fall frost: Dec 27
Growing season: 328 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)	Jan 23 · Feb 21 · Mar 18	Nov 13 · Dec 3 · Jan 2	287 days	100%
Frost / freeze (32°F)	Jan 1 · Jan 31 · Mar 5	Nov 28 · Dec 27 · Jan 28	328 days	89%
Hard freeze (28°F)	Dec 22 · Jan 18 · Feb 20	Dec 14 · Jan 8 · Feb 4	365 days	51%

Where these dates come from

ZIP code 77549 is matched to the NOAA station Houston Clover Fld, TX, 4.1 km away, at 44 ft elevation (14 ft higher than the ZIP code's center). Nearby stations for comparison:

Station	Elevation	Avg last frost	Avg first frost
Houston Clover Fld, TX (used)	44 ft	Jan 31	Dec 27
Houston Nwso, TX	19 ft	Jan 31	Dec 14
Houston Hobby Ap, TX	44 ft	Jan 30	Dec 28
Alvin, TX	28 ft	Feb 14	Dec 5

Frost dates near Friendswood

Friendswood, TX 77546 · last Jan 31, first Dec 27
Pearland, TX 77588 · last Jan 31, first Dec 27
Webster, TX 77598 · last Jan 31, first Dec 27
Houston, TX 77089 · last Jan 30, first Dec 28
Pasadena, TX 77508 · last Jan 31, first Dec 14
League City, TX 77573 · last Jan 31, first Dec 14
Alvin, TX 77512 · last Jan 31, first Dec 27
South Houston, TX 77587 · last Jan 30, first Dec 28

Frequently asked questions

When is the last frost in Friendswood, TX?: For ZIP code 77549, the average last spring frost (32°F) is January 31, based on NOAA 1991-2020 climate normals for the Houston Clover Fld, TX weather station. There is a 1-in-10 chance of a frost after March 5.
When is the first frost in Friendswood, TX?: The average first fall frost (32°F) is December 27. There is a 1-in-10 chance of frost by November 28, so tender plants are at risk from that point on.
How long is the growing season in 77549?: In half of years, the frost-free season (between the last and first 32°F frost) is at least 328 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.