Frost dates for 91343North 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 91343 is matched to the NOAA station Van Nuys Ap, CA, 3.2 km away, at 770 ft elevation (76 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 91393 · last Dec 31, first Dec 30
- Mission Hills, CA 91346 · last Dec 31, first Dec 30
- Panorama City, CA 91412 · last Dec 31, first Dec 30
- Northridge, CA 91325 · 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
- San Fernando, CA 91341 · 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.