Frost dates for 92004Borrego Springs, CA
Frost occurs in about 45% of years near Borrego Springs, based on NOAA 1991-2020 records for the Borrego Desert Park, CA station.
Frost occurs in about 45% of years. Frost-tender plants can usually grow year-round, but cover them if a rare cold snap is forecast.
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 26 · Feb 3 · Mar 7 | Nov 27 · Dec 19 · Jan 21 | 322 days | 93% |
| Frost / freeze (32°F) | Dec 12 · Jan 10 · Feb 16 | Dec 8 · Jan 1 · Feb 11 | 365 days | 45% |
| Hard freeze (28°F) | — | — | 365 days | 9% |
Where these dates come from
ZIP code 92004 is matched to the NOAA station Borrego Desert Park, CA, 5.2 km away, at 810 ft elevation (282 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Borrego Desert Park, CA (used) | 810 ft | Jan 10 | Jan 1 |
| Ocotillo Wells 2W, CA | 390 ft | Jan 7 | Jan 4 |
| Julian Cdf, CA | 4,215 ft | Mar 27 | Dec 1 |
| Cuyamaca, CA | 4,640 ft | Apr 19 | Oct 27 |
Frost dates near Borrego Springs
- Ranchita, CA 92066 · last Mar 27, first Dec 1
- San Ysidro, CA 92143 · last Mar 27, first Dec 1
- Julian, CA 92036 · last Mar 27, first Dec 1
- Warner Springs, CA 92086 · last Apr 18, first Oct 26
- Santa Ysabel, CA 92070 · last Apr 18, first Oct 26
- Salton City, CA 92275 · last Jan 6, first Dec 22
- Thermal, CA 92274 · last Feb 7, first Dec 2
- Mount Laguna, CA 91948 · last Apr 22, first Nov 8
Frequently asked questions
- When is the last frost in Borrego Springs, CA?
- Frost occurs in about 45% of years at the nearest NOAA station (Borrego Desert Park, CA), so there is no reliable average last frost date.
- When is the first frost in Borrego Springs, CA?
- Frost occurs in about 45% of years at the nearest NOAA station.
- 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.