Frost dates for ZIP 79111 (Amarillo, 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, Amarillo, TX (1 miles away).
- Average last spring frostApr 1350% chance of a 32°F freeze after this date
- Average first fall frostOct 2750% chance of a 32°F freeze by this date
- Growing season (frost-free)195 daysmedian, 32°F threshold
- USDA hardiness zone7a0 to 5°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) | Mar 29 |
| 50% (the "average" last frost) | Apr 13 |
| 10% (safe-side: only 1 year in 10 freezes later) | Apr 29 |
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) | Oct 14 |
| 50% (the "average" first frost) | Oct 27 |
| 90% (late: most years have frozen by now) | Nov 8 |
Light frost, freeze and hard freeze
| Threshold | Last spring (50%) | First fall (50%) |
|---|---|---|
| 36°F (light frost possible on clear, calm nights) | Apr 25 | Oct 18 |
| 32°F (freeze) | Apr 13 | Oct 27 |
| 28°F (hard freeze) | Apr 2 | Nov 5 |
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 Amarillo
Soil temperature now
2-inch depth
54°F 50–55°F
24-hour average · latest 58°F, as of Oct 17, 8:00 PM CDT
Estimate Not a measurement at this ZIP: distance-weighted average of Bushland #1 (22 mi).
4-inch depth
58°F 55°F or warmer
24-hour average · latest 60°F, as of Oct 17, 8:00 PM CDT
Estimate Not a measurement at this ZIP: distance-weighted average of Bushland #1 (22 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 | 38° | Mostly Clear | |
| Sunday | 64° | 47° | Sunny |
| Monday | 69° | 53° | Sunny |
| Tuesday | 72° | 56° | Sunny |
| Wednesday | 77° | 59° | Mostly Sunny |
| Thursday | 76° | 58° | Partly Sunny |
| Friday | 75° | 58° | Slight Chance Rain Showers |
National Weather Service forecast, issued Oct 17, 8:28 PM CDT. Frost can form above 32°F on clear, calm nights. Full NWS forecast.
Free frost alerts for 79111
An email when the National Weather Service forecasts a freeze for this ZIP, plus the spring soil-temperature heads-up. At most a few a month.
Alerts open soon. This form is a preview and doesn't send anything yet.
Where these numbers come from
Station: Amarillo, TX (NOAA GHCN-Daily ID USW00023047), elevation 3,587 ft, 0.9 miles from the ZIP's center point. NOAA completeness flag: S (standard, 24+ years).
Nearby stations
| Station | Distance | Last frost (50%) | First frost (50%) |
|---|---|---|---|
| Amarillo 7ENE, TX | 1 mi | Apr 15 | Oct 29 |
| Panhandle, TX | 20 mi | Apr 15 | Oct 29 |
| Canyon, TX | 21 mi | Apr 15 | Oct 25 |
The average last-frost dates of these stations span 2 days, a rough guide to local variation. See data sources & methods.
Questions
When is the last frost in 79111?
The average (50% chance) last spring freeze of 32°F for ZIP 79111 is April 13. For a safer planting date, use April 29, when only 1 year in 10 still sees a later freeze.
When is the first frost in 79111?
The average first fall freeze is October 27. In 1 year in 10 it comes by October 14.
What hardiness zone is 79111?
ZIP 79111 is in USDA zone 7a (0 to 5°F average coldest winter night), per the 2023 USDA Plant Hardiness Zone Map ZIP listing.
Other ZIP codes in Potter County
79010 79058 79101 79102 79103 79104 79106 79107 79108 79124 All Potter County ZIPs