Frost dates for 91041Sunland, CA
Frost occurs in about 21% of years near Sunland, based on NOAA 1991-2020 records for the Burbank Glendale Pasadena Ap, CA station.
Frost occurs in about 21% 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 16 · Jan 11 · Feb 21 | Nov 30 · Dec 18 · Jan 20 | 343 days | 83% |
| Frost / freeze (32°F) | Dec 12 · Dec 31 · Jan 15 | Dec 11 · Dec 28 · Jan 15 | 365 days | 21% |
| Hard freeze (28°F) | — | — | 365 days | 1% |
Where these dates come from
ZIP code 91041 is matched to the NOAA station Burbank Glendale Pasadena Ap, CA, 8.9 km away, at 741 ft elevation (775 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Burbank Glendale Pasadena Ap, CA (used) | 741 ft | Dec 31 | Dec 28 |
| Burbank Valley Pump Plt, CA | 655 ft | Jan 2 | Dec 26 |
| Van Nuys Ap, CA | 770 ft | Dec 31 | Dec 30 |
| Pasadena, CA | 864 ft | Jan 8 | Jan 7 |
Frost dates near Sunland
- Tujunga, CA 91043 · last Dec 31, first Dec 28
- Sunland, CA 91040 · last —, first —
- La Crescenta, CA 91214 · last Jan 8, first Jan 7
- Burbank, CA 91504 · last Jan 2, first Dec 26
- Sun Valley, CA 91352 · last Dec 31, first Dec 28
- Verdugo City, CA 91046 · last Jan 8, first Jan 7
- Montrose, CA 91020 · last Jan 8, first Jan 7
- La Canada Flintridge, CA 91011 · last Jan 8, first Jan 7
Frequently asked questions
- When is the last frost in Sunland, CA?
- Frost occurs in about 21% of years at the nearest NOAA station (Burbank Glendale Pasadena Ap, CA), so there is no reliable average last frost date.
- When is the first frost in Sunland, CA?
- Frost occurs in about 21% 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.