Frost dates for 85127Chandler Heights, AZ
The average last spring frost in Chandler Heights is February 1 and the average first fall frost is December 11, giving a typical growing season of about 315 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Feb 1
- Average first fall frost
- Dec 11
- Growing season
- 315 days
Safer after Feb 27 (1-in-10 risk)
Possible by Nov 23 (1-in-10 risk)
First frost typically in 45 days
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) | Jan 29 · Feb 21 · Mar 11 | Nov 12 · Nov 28 · Dec 14 | 280 days | 100% |
| Frost / freeze (32°F) | Jan 2 · Feb 1 · Feb 27 | Nov 23 · Dec 11 · Jan 1 | 315 days | 99% |
| Hard freeze (28°F) | Dec 15 · Jan 8 · Feb 11 | Dec 4 · Dec 26 · Jan 29 | 357 days | 70% |
Where these dates come from
ZIP code 85127 is matched to the NOAA station Chandler Heights, AZ, 1.6 km away, at 1,425 ft elevation (21 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Chandler Heights, AZ (used) | 1,425 ft | Feb 1 | Dec 11 |
| E Mesa, AZ | 1,518 ft | Feb 1 | Dec 10 |
| Casa Grande Nm, AZ | 1,419 ft | Feb 17 | Nov 29 |
| Tempe Asu, AZ | 1,167 ft | Feb 13 | Dec 5 |
Frost dates near Chandler Heights
- Gilbert, AZ 85298 · last Feb 1, first Dec 11
- Queen Creek, AZ 85142 · last Feb 1, first Dec 11
- Chandler, AZ 85249 · last Feb 13, first Dec 5
- Higley, AZ 85236 · last Feb 1, first Dec 10
- Sacaton, AZ 85147 · last Feb 17, first Nov 29
- Mesa, AZ 85212 · last Feb 1, first Dec 10
- San Tan Valley, AZ 85140 · last Feb 17, first Nov 29
- Bapchule, AZ 85121 · last Feb 23, first Nov 24
Frequently asked questions
- When is the last frost in Chandler Heights, AZ?
- For ZIP code 85127, the average last spring frost (32°F) is February 1, based on NOAA 1991-2020 climate normals for the Chandler Heights, AZ weather station. There is a 1-in-10 chance of a frost after February 27.
- When is the first frost in Chandler Heights, AZ?
- The average first fall frost (32°F) is December 11. There is a 1-in-10 chance of frost by November 23, so tender plants are at risk from that point on.
- How long is the growing season in 85127?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 315 days long.
- 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.