Last spring frost
Mar 22
Frost Dates for Kempner, TX
First fall frost
Nov 12
Growing season
238 days
Hardiness zone
8b
In an average year around Kempner, TX, the last spring frost (32°F) is about Mar 22 and the first fall frost is about Nov 12, giving roughly a 238-day growing season. To be safe most years, wait until Mar 2 before setting out tender plants.
Last spring frost
Dates the last frost of spring typically ends. Plant tender crops after the risk has passed for your comfort level.
| Frost intensity | Early (10%) | Average (50%) | Late (90%) |
|---|---|---|---|
| Light (36°F) | Apr 21 | Apr 3 | Mar 13 |
| Freeze (32°F) | Apr 10 | Mar 22 | Mar 2 |
| Hard (28°F) | Mar 31 | Mar 6 | Feb 11 |
| Severe (24°F) | Mar 15 | Feb 20 | Jan 19 |
Show full probability table (all thresholds & percentiles)
| °F | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Apr 21 | Apr 15 | Apr 10 | Apr 7 | Apr 3 | Mar 31 | Mar 28 | Mar 22 | Mar 13 |
| 32°F | Apr 10 | Apr 4 | Mar 31 | Mar 27 | Mar 22 | Mar 17 | Mar 12 | Mar 7 | Mar 2 |
| 28°F | Mar 31 | Mar 23 | Mar 15 | Mar 10 | Mar 6 | Mar 3 | Feb 28 | Feb 21 | Feb 11 |
| 24°F | Mar 15 | Mar 7 | Mar 3 | Feb 27 | Feb 20 | Feb 12 | Feb 4 | Jan 29 | Jan 19 |
| 20°F | Mar 4 | Feb 26 | Feb 12 | Feb 3 | Jan 29 | Jan 23 | Jan 15 | Jan 3 | Dec 23 |
| 16°F | Feb 21 | Feb 8 | Feb 1 | Jan 25 | Jan 17 | Jan 9 | Jan 3 | Dec 27 | Dec 15 |
First fall frost
Dates the first frost of fall typically arrives. Count back by a crop's days-to-maturity to know your planting cutoff.
| Frost intensity | Early (10%) | Average (50%) | Late (90%) |
|---|---|---|---|
| Light (36°F) | Oct 21 | Nov 3 | Nov 20 |
| Freeze (32°F) | Oct 29 | Nov 12 | Dec 2 |
| Hard (28°F) | Nov 5 | Nov 26 | Dec 17 |
| Severe (24°F) | Nov 15 | Dec 8 | Jan 7 |
Show full probability table (all thresholds & percentiles)
| °F | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Oct 21 | Oct 26 | Oct 29 | Nov 1 | Nov 3 | Nov 6 | Nov 9 | Nov 13 | Nov 20 |
| 32°F | Oct 29 | Nov 2 | Nov 5 | Nov 9 | Nov 12 | Nov 17 | Nov 21 | Nov 26 | Dec 2 |
| 28°F | Nov 5 | Nov 11 | Nov 17 | Nov 22 | Nov 26 | Dec 1 | Dec 4 | Dec 9 | Dec 17 |
| 24°F | Nov 15 | Nov 22 | Nov 29 | Dec 3 | Dec 8 | Dec 14 | Dec 21 | Dec 31 | Jan 7 |
| 20°F | Nov 27 | Dec 5 | Dec 11 | Dec 18 | Dec 27 | Jan 1 | Jan 7 | Jan 19 | Feb 2 |
| 16°F | Dec 6 | Dec 14 | Dec 24 | Jan 1 | Jan 5 | Jan 10 | Jan 18 | Jan 31 | Feb 14 |
Growing season is measured at 32°F with about 50% probability. Hardiness zone from the 2023 USDA map; frost normals from NOAA 1991-2020.
Where this data comes from
@endif These dates are computed from the nearest official weather station with long-term records: Lampasas, Tx, about 11.3 miles away@if(!empty($station['elevation_ft'])), at 1,032 ft elevation. The further the station and the greater the elevation difference from your yard, the more your local frost timing can vary.
How we calculate these dates
Frost and freeze dates come from the NOAA 1991–2020 U.S. Climate Normals, the National Oceanic and Atmospheric Administration's 30-year averages for each weather station. A date shown at the 50% level is the median: in half of years the frost falls on or before it. The 10% and 90% columns show the early and late ends of the range, so you can plant on the odds you're comfortable with. These are long-term averages, not a forecast for this year - always check your local outlook before planting.
Source: NOAA National Centers for Environmental Information, 1991–2020 Climate Normals (public domain). Harman is not affiliated with or endorsed by NOAA.
Frequently asked questions
When is the last frost in Kempner, TX?
On average, the last spring frost (32°F) around Kempner, TX is about Mar 22. In cooler years it can run later, so for a safer bet many gardeners wait until Mar 2.
When is the first frost in the fall?
The first fall frost around Kempner, TX typically arrives about Nov 12. Count back by a crop's days to maturity to find the latest date you can plant it.
When can I plant tomatoes and other tender crops?
Tender crops like tomatoes, peppers and basil are damaged by frost, so wait until the last spring frost has passed - around Mar 22 on average, or Mar 2 to be safe most years.
How long is the growing season here?
The frost-free growing season (between the last spring and first fall 32°F frost) is about 238 days in a typical year.
Are these dates a forecast for this year?
No. They are 30-year averages from the NOAA 1991–2020 Climate Normals, not a prediction for the current year. Use them for planning and always check your local weather forecast before planting or protecting crops.
Local weather for 76539 Planting calendar → Texas frost dates →
Data source: NOAA 1991–2020 Climate Normals · Page updated Aug 4, 2026