Frost dates for 78538Edcouch, TX
The average last spring frost in Edcouch is January 10 and the average first fall frost is December 27, giving a typical growing season of about 355 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Jan 10
- Average first fall frost
- Dec 27
- Growing season
- 355 days
Safer after Feb 24 (1-in-10 risk)
Possible by Dec 3 (1-in-10 risk)
First frost typically in 57 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) | Dec 28 · Feb 3 · Mar 8 | Nov 22 · Dec 12 · Jan 12 | 316 days | 95% |
| Frost / freeze (32°F) | Dec 13 · Jan 10 · Feb 24 | Dec 3 · Dec 27 · Feb 1 | 355 days | 63% |
| Hard freeze (28°F) | Dec 11 · Jan 1 · Feb 1 | Dec 8 · Dec 29 · Jan 24 | 365 days | 23% |
Where these dates come from
ZIP code 78538 is matched to the NOAA station Santa Rosa 3 Wnw, TX, 11.7 km away, at 50 ft elevation (12 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Santa Rosa 3 Wnw, TX (used) | 50 ft | Jan 10 | Dec 27 |
| Weslaco, TX | 75 ft | Jan 8 | Dec 31 |
| Edinburg, TX | 96 ft | Jan 8 | Jan 2 |
| Raymondville, TX | 31 ft | Jan 21 | Dec 26 |
Frost dates near Edcouch
- Elsa, TX 78543 · last Jan 10, first Dec 27
- La Villa, TX 78562 · last Jan 10, first Dec 27
- La Blanca, TX 78558 · last Jan 8, first Jan 2
- Sebastian, TX 78594 · last Jan 10, first Dec 27
- Lasara, TX 78561 · last Jan 21, first Dec 26
- Santa Rosa, TX 78593 · last Jan 10, first Dec 27
- Hargill, TX 78549 · last Jan 21, first Dec 23
- Edinburg, TX 78542 · last Jan 21, first Dec 23
Frequently asked questions
- When is the last frost in Edcouch, TX?
- For ZIP code 78538, the average last spring frost (32°F) is January 10, based on NOAA 1991-2020 climate normals for the Santa Rosa 3 Wnw, TX weather station. There is a 1-in-10 chance of a frost after February 24.
- When is the first frost in Edcouch, TX?
- The average first fall frost (32°F) is December 27. There is a 1-in-10 chance of frost by December 3, so tender plants are at risk from that point on.
- How long is the growing season in 78538?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 355 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.