Frost dates for 78580Raymondville, TX
The average last spring frost in Raymondville 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 60 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 78580 is matched to the NOAA station Raymondville, TX, 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 |
| Edinburg 17 Nne, TX | 64 ft | Jan 21 | Dec 23 |
| Harlingen Rio Grande Ap, TX | 34 ft | Jan 8 | Dec 29 |
Frost dates near Raymondville
- Lyford, TX 78569 · last Jan 21, first Dec 26
- Lasara, TX 78561 · last Jan 21, first Dec 26
- Sebastian, TX 78594 · last Jan 10, first Dec 27
- San Perlita, TX 78590 · last Jan 21, first Dec 26
- Edcouch, TX 78538 · last Jan 10, first Dec 27
- La Villa, TX 78562 · last Jan 10, first Dec 27
- Hargill, TX 78549 · last Jan 21, first Dec 23
- Santa Rosa, TX 78593 · last Jan 10, first Dec 27
Frequently asked questions
- When is the last frost in Raymondville, TX?
- For ZIP code 78580, 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 Raymondville, 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 78580?
- 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.