FrostDateByZip

Frost dates for 77534Danbury, TX

The average last spring frost in Danbury is January 29 and the average first fall frost is December 31, giving a typical growing season of about 333 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Jan 29

Safer after Mar 10 (1-in-10 risk)

Average first fall frost
Dec 31

Possible by Nov 26 (1-in-10 risk)

Growing season
333 days

First frost typically in 65 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.
TemperatureLast spring: 90% / 50% / 10% chanceFirst fall: 10% / 50% / 90% chanceGrowing season (50%)Years with at least one
Light frost (36°F)Jan 16 · Feb 20 · Mar 24Nov 12 · Dec 6 · Jan 12293 days99%
Frost / freeze (32°F)Dec 27 · Jan 29 · Mar 10Nov 26 · Dec 31 · Feb 1333 days84%
Hard freeze (28°F)Dec 14 · Jan 19 · Mar 1Dec 6 · Jan 7 · Feb 8365 days42%

Where these dates come from

ZIP code 77534 is matched to the NOAA station Angleton 2 W, TX, 13.8 km away, at 27 ft elevation (4 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Angleton 2 W, TX (used)27 ftJan 29Dec 31
Angleton Brazoria Ap, TX25 ftFeb 13Dec 8
Alvin, TX28 ftFeb 14Dec 5
Freeport 2 Nw, TX8 ftJan 27Jan 1

Frost dates near Danbury

Frequently asked questions

When is the last frost in Danbury, TX?
For ZIP code 77534, the average last spring frost (32°F) is January 29, based on NOAA 1991-2020 climate normals for the Angleton 2 W, TX weather station. There is a 1-in-10 chance of a frost after March 10.
When is the first frost in Danbury, TX?
The average first fall frost (32°F) is December 31. There is a 1-in-10 chance of frost by November 26, so tender plants are at risk from that point on.
How long is the growing season in 77534?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 333 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.