Frost dates for 32954Merritt Island, FL
The average last spring frost in Merritt Island is January 29 and the average first fall frost is January 16, giving a typical growing season of about 353 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Jan 29
- Average first fall frost
- Jan 16
- Growing season
- 353 days
Safer after Feb 26 (1-in-10 risk)
Possible by Dec 29 (1-in-10 risk)
First frost typically in 74 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 12 · Feb 10 · Mar 11 | Dec 17 · Jan 8 · Feb 9 | 322 days | 92% |
| Frost / freeze (32°F) | Jan 4 · Jan 29 · Feb 26 | Dec 29 · Jan 16 · Feb 17 | 353 days | 55% |
| Hard freeze (28°F) | Jan 1 · Jan 17 · Feb 7 | Jan 1 · Jan 13 · Feb 6 | 365 days | 18% |
Where these dates come from
ZIP code 32954 is matched to the NOAA station Titusville 7 E, FL, 8.8 km away, at 3 ft elevation (0 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Titusville 7 E, FL (used) | 3 ft | Jan 29 | Jan 16 |
| Titusville, FL | 16 ft | Jan 25 | Jan 13 |
| Scottsmoor 2.5 Ssw, FL | 42 ft | Feb 10 | Jan 8 |
| Melbourne Wfo, FL | 35 ft | Jan 24 | Jan 9 |
Frost dates near Merritt Island
- Titusville, FL 32780 · last Jan 25, first Jan 13
- Cocoa, FL 32927 · last Jan 25, first Jan 13
- Merritt Island, FL 32953 · last Jan 29, first Jan 16
- Cape Canaveral, FL 32920 · last Jan 29, first Jan 16
- Cocoa Beach, FL 32931 · last Jan 24, first Jan 9
- Rockledge, FL 32956 · last Jan 24, first Jan 9
- Mims, FL 32754 · last Jan 25, first Jan 13
- Orlando, FL 32815 · last Jan 24, first Jan 9
Frequently asked questions
- When is the last frost in Merritt Island, FL?
- For ZIP code 32954, the average last spring frost (32°F) is January 29, based on NOAA 1991-2020 climate normals for the Titusville 7 E, FL weather station. There is a 1-in-10 chance of a frost after February 26.
- When is the first frost in Merritt Island, FL?
- The average first fall frost (32°F) is January 16. There is a 1-in-10 chance of frost by December 29, so tender plants are at risk from that point on.
- How long is the growing season in 32954?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 353 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.