Last frost date in Baytown, TX

Average last frost
February 20

The average last frost in Baytown is February 20. By March 14 the chance of another 32°F night drops to 1 in 10. The first fall frost usually arrives about December 4, which leaves 292 frost-free days. An early freeze before November 12 happens one year in ten.

Safe after (10% risk)
Mar 14
Average first frost
Dec 4
Frost-free season
292 days
Hard freeze (28°F) ends
Jan 30
Next 7 nights in Baytown

No frost in the next 7 nights

National Weather Service forecast, updated Oct 22, 12:57 UTC

  1. ThuOct 2258°
  2. FriOct 2362°
  3. SatOct 2462°
  4. SunOct 2562°
  5. MonOct 2663°
  6. TueOct 2761°
  7. WedOct 2861°
JanFebMarAprMayJunJulAugSepOctNovDecLast frost Feb 20First frost Dec 4292 frost-free daysBlue: chance of 32°F frost. Green: average frost-free season.JFMAMJJASOND292 frost-free days
Frost risk through the year at Baytown, 10.4 miles from Baytown.

Planting calendar for Baytown

Windows count forward or back from the average frost dates above. Click a crop for dates across Texas.

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
Warm-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
TomatoesFeb 27–Mar 13
PumpkinsMar 6–Mar 20
SunflowersFeb 20–Mar 13
CucumbersMar 6–Mar 13
CornFeb 27–Mar 13
Sweet potatoesMar 13–Mar 27
WatermelonMar 6–Mar 20
Green beansFeb 27–Mar 20
ZucchiniFeb 27–Mar 13
OkraMar 13–Mar 27
PeppersMar 6–Mar 20
BasilFeb 27–Mar 13
Butternut squashFeb 27–Mar 13
CantaloupeMar 6–Mar 20
EggplantMar 6–Mar 20
Cool-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
PotatoesJan 23–Feb 6
OnionsJan 9–Jan 30
CarrotsJan 30–Mar 6
LettuceFeb 6–Feb 27
BroccoliJan 23–Feb 6
BeetsJan 23–Mar 6
PeasJan 9–Jan 23
CabbageJan 23–Feb 6
RadishesJan 16–Feb 27
Brussels sproutsFeb 6–Feb 20
SpinachJan 9–Jan 30
CilantroFeb 6–Feb 27
KaleJan 23–Feb 6
Collard greensJan 23–Feb 6
TurnipsJan 23–Feb 6
DillFeb 20–Mar 6
CeleryFeb 27–Mar 6
CauliflowerFeb 6–Feb 20
LeeksFeb 6–Feb 20
Swiss chardFeb 6–Mar 6
ParsleyFeb 6–Feb 27
Fall bulbs and garlic
JanFebMarAprMayJunJulAugSepOctNovDec
Tulip bulbsDec 15–Jan 15
GarlicOct 15–Nov 30
Daffodil bulbsOct 15–Nov 30
Perennials
JanFebMarAprMayJunJulAugSepOctNovDec
StrawberriesJan 23–Feb 6
AsparagusJan 23–Feb 6

Frost probabilities

ThresholdSpring, 90% chance laterSpring, 50%Spring, 10%Fall, 10% chance earlierFall, 50%Fall, 90%
Light frost, 32°FJan 23Feb 20Mar 14Nov 12Dec 4Jan 4
Hard freeze, 28°FDec 25Jan 30Mar 1Nov 25Dec 28Jan 29

Read the spring 10% column as the date after which only one year in ten still gets frost. That is the safer date for tomatoes, peppers and basil.

Where these numbers come from

NOAA station Baytown (USC00410586) sits 10.4 miles from the center of Baytown at 26 feet. Its averages cover 1991 to 2020. Low spots, valleys and open fields can keep getting frost a week or two after the station stops; city centers and lakeshores usually get less of it.

Questions

When is the last frost in Baytown, TX?

The average last frost date in Baytown is February 20, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after March 14.

When is the first frost in Baytown?

The first frost in fall usually comes around December 4. One year in ten it arrives before November 12.

How long is the growing season in Baytown?

About 292 days between the average last and first frost.

When should I plant tomatoes in Baytown?

Plant tomato seedlings outside from February 27 to March 13. Start seeds indoors six to eight weeks earlier.

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