Frost dates for Melbourne WFO, FL
At Melbourne WFO, the median last spring frost (32°F) is Jan 24 and the median first fall frost is Jan 9, for a typical growing season of 359 days. For a 90% chance that the last frost has passed, wait until Feb 24. Nearby ZIP codes are in USDA hardiness zone 10a.
- Jan 24Last spring frost (median)50% chance of 32°F after this date
- Feb 24Safer planting date10% chance of 32°F after this date
- Jan 9First fall frost (median)50% chance of 32°F by this date
- 359 daysGrowing season (median)between 32°F freezes
USDA hardiness zone 10a (30 to 35°F) · see all zone 10a frost dates
Last spring frost dates
The chance that the temperature drops to the threshold after each date.
| Temperature | 90% chance later | 50% chance later | 10% chance later |
|---|---|---|---|
| 36°F | Jan 7 | Feb 6 | Mar 9 |
| 32°F | Dec 29 | Jan 24 | Feb 24 |
| 28°F | Dec 29 | Jan 15 | Feb 8 |
First fall frost dates
The chance that the temperature has dropped to the threshold by each date.
| Temperature | 10% chance by | 50% chance by | 90% chance by |
|---|---|---|---|
| 36°F | Dec 6 | Jan 2 | Feb 3 |
| 32°F | Dec 20 | Jan 9 | Feb 13 |
| 28°F | Dec 24 | Jan 10 | Feb 5 |
Growing season length
Days between the last spring and first fall freeze, as the length reached in 9, 5 and 1 out of 10 years.
| Temperature | 9 in 10 years at least | 5 in 10 years at least | 1 in 10 years at least |
|---|---|---|---|
| 36°F | 290 days | 324 days | 360 days |
| 32°F | 316 days | 359 days | 365 days |
| 28°F | 345 days | 365 days | 365 days |
| 24°F | 365 days | 365 days | 365 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 91% |
| 32°F | 57% |
| 28°F | 20% |
| 24°F | 2% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 32935 | 10a | 30 to 35°F | 4 km |
| 32934 | 10a | 30 to 35°F | 6 km |
| 32937 | 10a | 30 to 35°F | 8 km |
| 32940 | 10a | 30 to 35°F | 14 km |
| 32925 | 10a | 30 to 35°F | 16 km |
| 32904 | 10a | 30 to 35°F | 18 km |
| 32952 | 10a | 30 to 35°F | 23 km |
| 32931 | 10a | 30 to 35°F | 23 km |
| 32955 | 10a | 30 to 35°F | 24 km |
Not the official USDA Plant Hardiness Zone Map. Zones shown here are the values published in the USDA-ARS / Oregon State University PRISM Group 2023 ZIP code tables, shown unaltered. For the official interactive map, visit planthardiness.ars.usda.gov.
About this station
- NOAA station ID USC00085612, at 28.1136, -80.6539, elevation 11 m (35 ft).
- Data quality: Standard (24+ years of data), 29 years of freeze data.
- Average days per year at or below 32°F: 2.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Melbourne Intl Airport (2 km)
- Melbourne Beach A1a (12 km)
- Palm Bay (22 km)
- Kenansville (47 km)
- Titusville 7 E (56 km)
- Vero Beach 4SE (57 km)
- Titusville (59 km)
- Vero Beach Intl Airport (65 km)
Sources
- NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, annual/seasonal normals by station (version 1.0.1), file dated June 27, 2023; documentation.
- USDA Agricultural Research Service and PRISM Group, Oregon State University, 2023 Plant Hardiness Zone Map ZIP code tables (CONUS, Alaska, Hawaii, Puerto Rico), files dated November 17, 2023. Data © PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed November 1, 2026. Official map: planthardiness.ars.usda.gov.
- U.S. Census Bureau, 2024 Gazetteer ZIP Code Tabulation Areas file, dated August 30, 2024 (ZIP centroids used to find the nearest station).
Freeze dates are 30-year probabilities, not forecasts. Check your local forecast before planting tender plants.