Frost dates for 78569Lyford, TX
The average last spring frost in Lyford is January 21 and the average first fall frost is December 26, giving a typical growing season of about 340 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Jan 21
- Average first fall frost
- Dec 26
- Growing season
- 340 days
Safer after Feb 27 (1-in-10 risk)
Possible by Dec 1 (1-in-10 risk)
First frost typically in 61 days
Frost risk by date
NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.
| Temperature | Last spring: 90% / 50% / 10% chance | First fall: 10% / 50% / 90% chance | Growing season (50%) | Years with at least one |
|---|---|---|---|---|
| Light frost (36°F) | Jan 3 · Feb 15 · Mar 16 | Nov 18 · Dec 8 · Jan 5 | 301 days | 98% |
| Frost / freeze (32°F) | Dec 18 · Jan 21 · Feb 27 | Dec 1 · Dec 26 · Feb 1 | 340 days | 77% |
| Hard freeze (28°F) | Dec 15 · Jan 7 · Feb 8 | Dec 9 · Jan 2 · Feb 1 | 365 days | 36% |
Where these dates come from
ZIP code 78569 is matched to the NOAA station Raymondville, TX, 6.2 km away, at 31 ft elevation (2 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Raymondville, TX (used) | 31 ft | Jan 21 | Dec 26 |
| Santa Rosa 3 Wnw, TX | 50 ft | Jan 10 | Dec 27 |
| Harlingen Rio Grande Ap, TX | 34 ft | Jan 8 | Dec 29 |
| Harlingen, TX | 38 ft | Jan 9 | Jan 3 |
Frost dates near Lyford
- Sebastian, TX 78594 · last Jan 10, first Dec 27
- Raymondville, TX 78580 · last Jan 21, first Dec 26
- Lasara, TX 78561 · last Jan 21, first Dec 26
- San Perlita, TX 78590 · last Jan 21, first Dec 26
- Santa Rosa, TX 78593 · last Jan 10, first Dec 27
- Combes, TX 78535 · last Jan 9, first Jan 3
- La Villa, TX 78562 · last Jan 10, first Dec 27
- Harlingen, TX 78551 · last Jan 9, first Jan 3
Frequently asked questions
- When is the last frost in Lyford, TX?
- For ZIP code 78569, the average last spring frost (32°F) is January 21, based on NOAA 1991-2020 climate normals for the Raymondville, TX weather station. There is a 1-in-10 chance of a frost after February 27.
- When is the first frost in Lyford, TX?
- The average first fall frost (32°F) is December 26. There is a 1-in-10 chance of frost by December 1, so tender plants are at risk from that point on.
- How long is the growing season in 78569?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 340 days long.
- Are these frost dates a forecast?
- No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.