Frost dates / Texas / Texas City
Frost dates in Texas City, TX
The station on this page is GALVESTON, TX US (USW00012944), 10.8 miles from the city point. Population in the Census 2024 estimate is 57,875.
Zone 10aUSDA average annual extreme minimum 30°F to 35°F, from ZIP 77590 (4.1 miles from the city point used on this page).
Outside the median season Growing seasonTicks: 10%, 50%, and 90%
Last 32°F in spring
NCEI’s probability is the chance the last spring minimum of 32°F or lower occurs on or after the date.
| Probability | Date | How to read it |
|---|---|---|
| 90% | December 23 | Earlier date. A last 32°F on or after this day is common. |
| 50% | January 25 | Median. |
| 10% | February 21 | Later date. A last 32°F on or after this day is uncommon. |
First 32°F in fall
NCEI’s probability is the chance the first autumn minimum of 32°F or lower occurs on or before the date.
| Probability | Date | How to read it |
|---|---|---|
| 10% | December 9 | Earlier date. A first 32°F on or before this day is uncommon. |
| 50% | January 1 | Median. |
| 90% | February 1 | Later date. A first 32°F on or before this day is common. |
32°F growing-season length
Days between the last spring 32°F and the first autumn 32°F. The figure is a length the season meets or exceeds at that probability, from NCEI, not a subtraction done on this site.
| Probability the season is at least this long | Days |
|---|---|
| 10% | 365 |
| 50% | 348 |
| 90% | 313 |
28°F threshold
| 10% | 50% | 90% | |
|---|---|---|---|
| Last, on or after | February 8 | January 17 | December 22 |
| First, on or before | December 14 | January 5 | February 2 |
| Season at least | 365 days | 365 days | 336 days |
36°F threshold
| 10% | 50% | 90% | |
|---|---|---|---|
| Last, on or after | March 8 | February 8 | January 4 |
| First, on or before | November 27 | December 19 | January 17 |
| Season at least | 349 days | 313 days | 276 days |
Station GALVESTON, TX US (USW00012944). Completeness flag R, 12 years used for the 32°F dates. NCEI’s annual probability of at least one day at or below 32°F is 73%. Freeze dates are conditional on that threshold occurring. Elevation 2.1 m. The same probability language applies to the 28°F and 36°F rows when those dates passed the same quality checks.
Planting calendar for Texas City · Zone 10a
Check a crop against this station
Texas City, TX
Zone 10aAverage annual extreme minimum 30°F to 35°F
Outside the median season Growing seasonTicks: 10%, 50%, and 90%
Texas. Nearest qualified station: GALVESTON, TX US (USW00012944), 10.8 miles. Median last 32°F January 25. Median first 32°F January 1. The 50% growing-season length is 348 days.
Open the ZIP page · Crop guides for Texas
32°F probabilities at this station
| 10% | 50% | 90% | |
|---|---|---|---|
| Last 32°F on or after | February 21 | January 25 | December 23 |
| First 32°F on or before | December 9 | January 1 | February 1 |
Column order matches the NCEI file: for the last freeze, 10% is the later date and 90% is the earlier date. How to read the probabilities.
Planting calendar
Windows below are from Texas A&M AgriLife Extension, Texas Home Vegetable Gardening Guide, retrieved 2026-10-10. Table 8 is statewide and is written as weeks before or after the frost-free date (spring) and the first freeze date (fall). It is not a single calendar date for every Texas city.
Date checks use your device’s calendar and appear after the page loads.