FrostDateByZip

Frost dates for 78343Bishop, TX

The average last spring frost in Bishop is January 25 and the average first fall frost is December 20, giving a typical growing season of about 329 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Jan 25

Safer after Mar 3 (1-in-10 risk)

Average first fall frost
Dec 20

Possible by Nov 25 (1-in-10 risk)

Growing season
329 days

First frost typically in 54 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 15 · Feb 17 · Mar 14Nov 13 · Dec 4 · Jan 2290 days100%
Frost / freeze (32°F)Dec 18 · Jan 25 · Mar 3Nov 25 · Dec 20 · Jan 21329 days89%
Hard freeze (28°F)Dec 12 · Jan 9 · Feb 17Dec 7 · Jan 1 · Feb 3365 days48%

Where these dates come from

ZIP code 78343 is matched to the NOAA station Kingsville, TX, 9.2 km away, at 57 ft elevation (2 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Kingsville, TX (used)57 ftJan 25Dec 20
Bishop, TX67 ftFeb 13Dec 7
Kingsville Naas, TX56 ftFeb 3Dec 14
Robstown, TX85 ftJan 26Dec 24

Frost dates near Bishop

Frequently asked questions

When is the last frost in Bishop, TX?
For ZIP code 78343, the average last spring frost (32°F) is January 25, based on NOAA 1991-2020 climate normals for the Kingsville, TX weather station. There is a 1-in-10 chance of a frost after March 3.
When is the first frost in Bishop, TX?
The average first fall frost (32°F) is December 20. There is a 1-in-10 chance of frost by November 25, so tender plants are at risk from that point on.
How long is the growing season in 78343?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 329 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.