Frost dates for 78585Salineno, TX
The average last spring frost in Salineno is January 9 and the average first fall frost is January 1, giving a typical growing season of about 363 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Jan 9
- Average first fall frost
- Jan 1
- Growing season
- 363 days
Safer after Feb 21 (1-in-10 risk)
Possible by Dec 8 (1-in-10 risk)
First frost typically in 59 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 27 · Jan 30 · Mar 5 | Nov 27 · Dec 18 · Jan 14 | 324 days | 92% |
| Frost / freeze (32°F) | Dec 17 · Jan 9 · Feb 21 | Dec 8 · Jan 1 · Feb 4 | 363 days | 55% |
| Hard freeze (28°F) | Dec 14 · Jan 3 · Feb 6 | Dec 14 · Jan 2 · Feb 2 | 365 days | 19% |
Where these dates come from
ZIP code 78585 is matched to the NOAA station Falcon Dam, TX, 5.3 km away, at 320 ft elevation (100 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Falcon Dam, TX (used) | 320 ft | Jan 9 | Jan 1 |
| Rio Grande City, TX | 172 ft | Jan 31 | Dec 17 |
| Zapata 1 S, TX | 320 ft | Jan 19 | Dec 22 |
| La Joya, TX | 213 ft | Jan 23 | Dec 28 |
Frost dates near Salineno
- Falcon Heights, TX 78545 · last Jan 9, first Jan 1
- Roma, TX 78584 · last Jan 9, first Jan 1
- Lopeno, TX 78564 · last Jan 9, first Jan 1
- Rio Grande City, TX 78582 · last Jan 31, first Dec 17
- Zapata, TX 78076 · last Jan 19, first Dec 22
- Guerra, TX 78360 · last Jan 19, first Dec 22
- Garciasville, TX 78547 · last Jan 31, first Dec 17
- Grulla, TX 78548 · last Jan 31, first Dec 17
Frequently asked questions
- When is the last frost in Salineno, TX?
- For ZIP code 78585, the average last spring frost (32°F) is January 9, based on NOAA 1991-2020 climate normals for the Falcon Dam, TX weather station. There is a 1-in-10 chance of a frost after February 21.
- When is the first frost in Salineno, TX?
- The average first fall frost (32°F) is January 1. There is a 1-in-10 chance of frost by December 8, so tender plants are at risk from that point on.
- How long is the growing season in 78585?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 363 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.