When is the last frost in Sugar Land, TX?

For ZIP code 77498, the average last spring frost (32°F) is February 2, based on NOAA 1991-2020 climate normals for the Houston Sugarland Mem, TX weather station. There is a 1-in-10 chance of a frost after March 7.

When is the first frost in Sugar Land, TX?

The average first fall frost (32°F) is December 11. There is a 1-in-10 chance of frost by November 20, so tender plants are at risk from that point on.

How long is the growing season in 77498?

In half of years, the frost-free season (between the last and first 32°F frost) is at least 318 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 77498Sugar Land, TX

The average last spring frost in Sugar Land is February 2 and the average first fall frost is December 11, giving a typical growing season of about 318 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost: Feb 2
Average first fall frost: Dec 11
Growing season: 318 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 25 · Feb 26 · Mar 21	Nov 7 · Nov 27 · Dec 24	277 days	100%
Frost / freeze (32°F)	Dec 28 · Feb 2 · Mar 7	Nov 20 · Dec 11 · Jan 16	318 days	94%
Hard freeze (28°F)	Dec 17 · Jan 18 · Feb 23	Dec 4 · Jan 1 · Feb 2	356 days	60%

Where these dates come from

ZIP code 77498 is matched to the NOAA station Houston Sugarland Mem, TX, 2 km away, at 82 ft elevation (0 ft higher than the ZIP code's center). Nearby stations for comparison:

Station	Elevation	Avg last frost	Avg first frost
Houston Sugarland Mem, TX (used)	82 ft	Feb 2	Dec 11
Sugar Land, TX	84 ft	Feb 9	Dec 13
Thompsons 3 Wsw, TX	70 ft	Feb 15	Dec 6
Houston Hobby Ap, TX	44 ft	Jan 30	Dec 28

Frost dates near Sugar Land

Sugar Land, TX 77487 · last Feb 15, first Dec 6
Houston, TX 77083 · last Feb 9, first Dec 13
Richmond, TX 77407 · last Feb 15, first Dec 6
Stafford, TX 77477 · last Feb 15, first Dec 6
Alief, TX 77411 · last Feb 15, first Dec 6
Missouri City, TX 77459 · last Feb 15, first Dec 6
Katy, TX 77450 · last Feb 9, first Dec 13
Barker, TX 77413 · last Feb 9, first Dec 13

Frequently asked questions

When is the last frost in Sugar Land, TX?: For ZIP code 77498, the average last spring frost (32°F) is February 2, based on NOAA 1991-2020 climate normals for the Houston Sugarland Mem, TX weather station. There is a 1-in-10 chance of a frost after March 7.
When is the first frost in Sugar Land, TX?: The average first fall frost (32°F) is December 11. There is a 1-in-10 chance of frost by November 20, so tender plants are at risk from that point on.
How long is the growing season in 77498?: In half of years, the frost-free season (between the last and first 32°F frost) is at least 318 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.