Frost dates for 86446Mohave Valley, AZ
Frost occurs in about 37% of years near Mohave Valley, based on NOAA 1991-2020 records for the Needles Ap, CA station.
Frost occurs in about 37% 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 15 · Feb 20 | Nov 30 · Dec 21 · Jan 18 | 339 days | 88% |
| Frost / freeze (32°F) | Dec 16 · Jan 6 · Feb 10 | Dec 11 · Jan 2 · Feb 5 | 365 days | 37% |
| Hard freeze (28°F) | — | — | 365 days | 4% |
Where these dates come from
ZIP code 86446 is matched to the NOAA station Needles Ap, CA, 9.5 km away, at 890 ft elevation (418 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Needles Ap, CA (used) | 890 ft | Jan 6 | Jan 2 |
| Bullhead City, AZ | 531 ft | Jan 4 | Dec 23 |
| Laughlin, NV | 605 ft | Jan 5 | Dec 24 |
| Yucca 1 Nne, AZ | 1,950 ft | Feb 18 | Dec 2 |
Frost dates near Mohave Valley
- Mohave Valley, AZ 86440 · last Jan 4, first Dec 23
- Needles, CA 92363 · last Jan 6, first Jan 2
- Topock, AZ 86436 · last Jan 6, first Jan 2
- Fort Mohave, AZ 86427 · last Jan 4, first Dec 23
- Oatman, AZ 86433 · last Feb 18, first Dec 2
- Bullhead City, AZ 86442 · last Jan 5, first Dec 24
- Laughlin, NV 89029 · last Jan 5, first Dec 24
- Lake Havasu City, AZ 86404 · last Jan 5, first Dec 29
Frequently asked questions
- When is the last frost in Mohave Valley, AZ?
- Frost occurs in about 37% of years at the nearest NOAA station (Needles Ap, CA), so there is no reliable average last frost date.
- When is the first frost in Mohave Valley, AZ?
- Frost occurs in about 37% 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.