Frost dates for 91393North Hills, CA
Frost occurs in about 22% of years near North Hills, based on NOAA 1991-2020 records for the Van Nuys Ap, CA station.
Frost occurs in about 22% 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 18 · Jan 19 · Feb 27 | Dec 1 · Dec 22 · Jan 23 | 340 days | 82% |
| Frost / freeze (32°F) | Dec 9 · Dec 31 · Jan 27 | Dec 9 · Dec 30 · Jan 25 | 365 days | 22% |
| Hard freeze (28°F) | — | — | 365 days | 1% |
Where these dates come from
ZIP code 91393 is matched to the NOAA station Van Nuys Ap, CA, 3 km away, at 770 ft elevation (73 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Van Nuys Ap, CA (used) | 770 ft | Dec 31 | Dec 30 |
| Northridge Cal State, CA | 904 ft | Jan 2 | Jan 1 |
| Woodland Hills Pierce College, CA | 790 ft | Jan 24 | Dec 15 |
| Burbank Glendale Pasadena Ap, CA | 741 ft | Dec 31 | Dec 28 |
Frost dates near North Hills
- North Hills, CA 91343 · last Dec 31, first Dec 30
- Mission Hills, CA 91346 · last Dec 31, first Dec 30
- Northridge, CA 91325 · last Dec 31, first Dec 30
- Panorama City, CA 91412 · last Dec 31, first Dec 30
- Van Nuys, CA 91406 · last Dec 31, first Dec 30
- Granada Hills, CA 91344 · last Dec 31, first Dec 30
- Pacoima, CA 91333 · last Dec 31, first Dec 30
- Reseda, CA 91337 · last Dec 31, first Dec 30
Frequently asked questions
- When is the last frost in North Hills, CA?
- Frost occurs in about 22% of years at the nearest NOAA station (Van Nuys Ap, CA), so there is no reliable average last frost date.
- When is the first frost in North Hills, CA?
- Frost occurs in about 22% 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.