Frost dates for 36528Dauphin Island, AL
The average last spring frost in Dauphin Island is January 31 and the average first fall frost is January 6, giving a typical growing season of about 340 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Jan 31
- Average first fall frost
- Jan 6
- Growing season
- 340 days
Safer after Feb 27 (1-in-10 risk)
Possible by Dec 12 (1-in-10 risk)
First frost typically in 64 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 14 · Feb 11 · Mar 10 | Nov 27 · Dec 28 · Jan 21 | 313 days | 98% |
| Frost / freeze (32°F) | Jan 1 · Jan 31 · Feb 27 | Dec 12 · Jan 6 · Feb 2 | 340 days | 79% |
| Hard freeze (28°F) | Dec 26 · Jan 21 · Feb 11 | Dec 20 · Jan 13 · Feb 4 | 365 days | 44% |
Where these dates come from
ZIP code 36528 is matched to the NOAA station Dauphin Is #2, AL, 3.1 km away, at 8 ft elevation (1 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Dauphin Is #2, AL (used) | 8 ft | Jan 31 | Jan 6 |
| Coden, AL | 12 ft | Mar 13 | Nov 24 |
| Pascagoula 3 Ne, MS | 12 ft | Mar 8 | Nov 19 |
| Fairhope 2 Ne, AL | 23 ft | Mar 10 | Nov 17 |
Frost dates near Dauphin Island
- Coden, AL 36523 · last Mar 13, first Nov 24
- Bayou La Batre, AL 36509 · last Mar 13, first Nov 24
- Irvington, AL 36544 · last Mar 13, first Nov 24
- Theodore, AL 36590 · last Mar 13, first Nov 24
- Point Clear, AL 36564 · last Mar 10, first Nov 17
- Saint Elmo, AL 36568 · last Mar 13, first Nov 24
- Gulf Shores, AL 36542 · last Jan 31, first Jan 6
- Grand Bay, AL 36541 · last Mar 13, first Nov 24
Frequently asked questions
- When is the last frost in Dauphin Island, AL?
- For ZIP code 36528, the average last spring frost (32°F) is January 31, based on NOAA 1991-2020 climate normals for the Dauphin Is #2, AL weather station. There is a 1-in-10 chance of a frost after February 27.
- When is the first frost in Dauphin Island, AL?
- The average first fall frost (32°F) is January 6. There is a 1-in-10 chance of frost by December 12, so tender plants are at risk from that point on.
- How long is the growing season in 36528?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 340 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.