Frost dates / Texas / Leander
Frost dates in Leander, TX
The station on this page is GEORGETOWN LAKE, TX US (USC00413507), 11 miles from the city point. Population in the Census 2024 estimate is 87,511.
Zone 9aUSDA average annual extreme minimum 20°F to 25°F, from ZIP 78641 (3.3 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% | February 13 | Earlier date. A last 32°F on or after this day is common. |
| 50% | March 6 | Median. |
| 10% | March 30 | 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% | November 5 | Earlier date. A first 32°F on or before this day is uncommon. |
| 50% | November 24 | Median. |
| 90% | December 10 | 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% | 289 |
| 50% | 259 |
| 90% | 231 |
28°F threshold
| 10% | 50% | 90% | |
|---|---|---|---|
| Last, on or after | March 16 | February 23 | January 24 |
| First, on or before | November 15 | December 5 | January 1 |
| Season at least | 321 days | 288 days | 258 days |
36°F threshold
| 10% | 50% | 90% | |
|---|---|---|---|
| Last, on or after | April 10 | March 22 | March 1 |
| First, on or before | October 31 | November 13 | December 1 |
| Season at least | 261 days | 232 days | 209 days |
Station GEORGETOWN LAKE, TX US (USC00413507). Completeness flag R, 23 years used for the 32°F dates. NCEI’s annual probability of at least one day at or below 32°F is 100%. Freeze dates are conditional on that threshold occurring. Elevation 266.4 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 Leander · Zone 9a
Check a crop against this station
Leander, TX
Zone 9aAverage annual extreme minimum 20°F to 25°F
Outside the median season Growing seasonTicks: 10%, 50%, and 90%
Texas. Nearest qualified station: GEORGETOWN LAKE, TX US (USC00413507), 11 miles. Median last 32°F March 6. Median first 32°F November 24. The 50% growing-season length is 259 days.
Open the ZIP page · Crop guides for Texas
32°F probabilities at this station
| 10% | 50% | 90% | |
|---|---|---|---|
| Last 32°F on or after | March 30 | March 6 | February 13 |
| First 32°F on or before | November 5 | November 24 | December 10 |
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.