FrostDateByZip

Frost dates for 77878Snook, TX

The average last spring frost in Snook is March 18 and the average first fall frost is November 9, giving a typical growing season of about 238 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 18

Safer after Apr 6 (1-in-10 risk)

Average first fall frost
Nov 9

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

Growing season
238 days

First frost typically in 14 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)Mar 12 · Apr 1 · Apr 20Oct 19 · Nov 1 · Nov 17213 days100%
Frost / freeze (32°F)Feb 25 · Mar 18 · Apr 6Oct 26 · Nov 9 · Nov 30238 days100%
Hard freeze (28°F)Feb 4 · Mar 5 · Mar 24Nov 3 · Nov 23 · Dec 14263 days100%

Planting calendar for Snook

Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.

CropTaskWindow
TomatoesStart seeds indoorsFeb 15 – Apr 23
TomatoesTransplant outdoorsApr 3 – Jul 20
PeppersStart seeds indoorsFeb 15 – Mar 18
PeppersTransplant outdoorsApr 17 – May 18
EggplantStart seeds indoorsMar 4 – Apr 2
EggplantTransplant outdoorsApr 17 – May 18
CucumbersSow outdoorsApr 17 – Jul 30
Summer squashSow outdoorsApr 3 – May 18
Winter squash & pumpkinsSow outdoorsApr 17 – May 18
Snap beansSow outdoorsApr 3 – Aug 22
Sweet cornSow outdoorsApr 3 – Jul 20
Watermelon & cantaloupeSow outdoorsApr 17 – May 18
OkraSow outdoorsApr 10 – May 3
PeasSow outdoors (spring)Feb 15 – Apr 2
PotatoesPlant outdoors (spring)Feb 15 – Apr 17
OnionsStart seeds indoors (spring)Jan 4 – Jan 31
OnionsTransplant outdoors (spring)Mar 4 – Apr 2
BroccoliStart seeds indoors (spring)Jan 28 – Mar 3
BroccoliTransplant outdoors (spring)Mar 4 – Apr 2
BroccoliStart seeds indoors (fall)Jul 10 – Jul 20
BroccoliTransplant outdoors (fall)Aug 9 – Aug 20
CabbageStart seeds indoors (spring)Jan 18 – Feb 15
CabbageTransplant outdoors (spring)Feb 15 – Mar 18
CabbageStart seeds indoors (fall)Jun 30 – Jul 30
CabbageTransplant outdoors (fall)Jul 30 – Aug 30
Leaf lettuceSow outdoors (spring)Feb 15 – May 3
Leaf lettuceSow outdoors (fall)Jul 30 – Sep 15
SpinachSow outdoors (spring)Feb 8 – Mar 24
SpinachSow outdoors (fall)Aug 16 – Sep 20
RadishesSow outdoors (spring)Feb 15 – Apr 7
RadishesSow outdoors (fall)Jul 30 – Sep 30
KaleSow outdoors (spring)Mar 4 – Mar 24
KaleSow outdoors (fall)Jul 23 – Aug 30
CarrotsSow outdoors (spring)Mar 18 – May 3
CarrotsSow outdoors (fall)Jun 30 – Aug 15
GarlicPlant outdoors (fall)Oct 30 – Nov 30

Where these dates come from

ZIP code 77878 is matched to the NOAA station Somerville Dam, TX, 15.9 km away, at 263 ft elevation (10 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Somerville Dam, TX (used)263 ftMar 18Nov 9
College Stn, TX305 ftFeb 27Nov 30
Washington Sp, TX215 ftMar 7Nov 19
Brenham, TX313 ftMar 2Nov 30

Frost dates near Snook

Frequently asked questions

When is the last frost in Snook, TX?
For ZIP code 77878, the average last spring frost (32°F) is March 18, based on NOAA 1991-2020 climate normals for the Somerville Dam, TX weather station. There is a 1-in-10 chance of a frost after April 6.
When is the first frost in Snook, TX?
The average first fall frost (32°F) is November 9. There is a 1-in-10 chance of frost by October 26, so tender plants are at risk from that point on.
How long is the growing season in 77878?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 238 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.