Frost dates for ZIP 77951 (Bloomington, TX)

Average last spring and first fall frost dates with 10%, 50% and 90% odds, from NOAA's 1991–2020 climate normals for the nearest weather station, Victoria Rgnl AP, TX (14 miles away).

Average last spring frostFeb 450% chance of a 32°F freeze after this date
Average first fall frostDec 950% chance of a 32°F freeze by this date
Growing season (frost-free)309 daysmedian, 32°F threshold
USDA hardiness zone9b25 to 30°F avg. coldest night

Last spring frost odds

Chance of a 32°F freeze after this date	Date
90% (early: most years still freeze after this)	Dec 30 (prior Dec)
50% (the "average" last frost)	Feb 4
10% (safe-side: only 1 year in 10 freezes later)	Mar 5

Most gardeners plant frost-tender crops (tomatoes, peppers, basil) after the 50% date, and closer to the 10% date for less risk.

First fall frost odds

Chance the first 32°F freeze has happened by this date	Date
10% (early: 1 year in 10 freezes this soon)	Nov 18
50% (the "average" first frost)	Dec 9
90% (late: most years have frozen by now)	Jan 13 (next year)

Light frost, freeze and hard freeze

Threshold	Last spring (50%)	First fall (50%)
36°F (light frost possible on clear, calm nights)	Feb 26	Nov 26
32°F (freeze)	Feb 4	Dec 9
28°F (hard freeze)	Jan 20	Jan 1 (next year)

n/a means NOAA did not publish a date at that threshold for this station (usually because it rarely gets that cold).

This week in Bloomington

Soil temperature now

2-inch depth

74°F 55°F or warmer
24-hour average · latest 75°F, as of Oct 17, 7:00 PM CDT

Estimate Not a measurement at this ZIP: distance-weighted average of Parks Ranch Goliad (22 mi), Duke Ranch (24 mi), Port Aransas 32 NNE (24 mi).

4-inch depth

75°F 55°F or warmer
24-hour average · latest 76°F, as of Oct 17, 7:00 PM CDT

Estimate Not a measurement at this ZIP: distance-weighted average of Parks Ranch Goliad (22 mi), Duke Ranch (24 mi), Port Aransas 32 NNE (24 mi).

Fall: Texas A&M AgriLife times fall pre-emergent (for winter weeds such as annual bluegrass) to soil cooling to about 70°F for several days. The 50–55°F band is the spring trigger. Always read and follow the product label.

7-day forecast and frost risk

No frost in the 7-day forecast.

Period	High	Low	Forecast
Tonight		50°	Mostly Clear
Sunday	77°	57°	Sunny
Monday	81°	60°	Mostly Sunny
Tuesday	85°	63°	Sunny
Wednesday	88°	61°	Sunny
Thursday	89°	62°	Sunny
Friday	89°	66°	Sunny

National Weather Service forecast, issued Oct 17, 8:35 PM CDT. Frost can form above 32°F on clear, calm nights. Full NWS forecast.

Where these numbers come from

Station: Victoria Rgnl AP, TX (NOAA GHCN-Daily ID USC00419367), elevation 104 ft, 14.4 miles from the ZIP's center point. NOAA completeness flag: R (representative, 10+ years).

Nearby stations

Station	Distance	Last frost (50%)	First frost (50%)
Victoria Rgnl AP, TX	16 mi	Feb 18	Dec 4
Victoria Fire Dept #5, TX	17 mi	Feb 14	Dec 9
Coleto Creek Rsvr, TX	17 mi	Feb 17	Dec 8

The average last-frost dates of these stations span 14 days, a rough guide to local variation. See data sources & methods.

Questions

When is the last frost in 77951?

The average (50% chance) last spring freeze of 32°F for ZIP 77951 is February 4. For a safer planting date, use March 5, when only 1 year in 10 still sees a later freeze.

When is the first frost in 77951?

The average first fall freeze is December 9. In 1 year in 10 it comes by November 18.

What hardiness zone is 77951?

ZIP 77951 is in USDA zone 9b (25 to 30°F average coldest winter night), per the 2023 USDA Plant Hardiness Zone Map ZIP listing.

Other ZIP codes in Victoria County

77901 77904 77905 77968 77973 77976 77977 77988 All Victoria County ZIPs