Frost dates for Jacksonville Beach, FL
At Jacksonville Beach, the median last spring frost (32°F) is Jan 31 and the median first fall frost is Jan 10, for a typical growing season of 345 days. For a 90% chance that the last frost has passed, wait until Mar 2. Nearby ZIP codes are in USDA hardiness zone 9b.
- Jan 31Last spring frost (median)50% chance of 32°F after this date
- Mar 2Safer planting date10% chance of 32°F after this date
- Jan 10First fall frost (median)50% chance of 32°F by this date
- 345 daysGrowing season (median)between 32°F freezes
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 10 | Feb 9 | Mar 10 |
| 32°F | Jan 1 | Jan 31 | Mar 2 |
| 28°F | Dec 27 | Jan 24 | Feb 16 |
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 2 | Jan 1 | Jan 29 |
| 32°F | Dec 16 | Jan 10 | Feb 14 |
| 28°F | Dec 22 | Jan 16 | Feb 9 |
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 | 284 days | 318 days | 352 days |
| 32°F | 306 days | 345 days | 365 days |
| 28°F | 334 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 | 94% |
| 32°F | 67% |
| 28°F | 28% |
| 24°F | 5% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 32250 | 9b | 25 to 30°F | 2 km |
| 32266 | 9b | 25 to 30°F | 4 km |
| 32224 | 9b | 25 to 30°F | 7 km |
| 32256 | 9b | 25 to 30°F | 15 km |
| 32081 | 9b | 25 to 30°F | 19 km |
| 32082 | 9b | 25 to 30°F | 20 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 USC00084366, at 30.2875, -81.3928, elevation 3 m (10 ft).
- Data quality: Standard (24+ years of data), 25 years of freeze data.
- Average days per year at or below 32°F: 4.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Mayport Pilot Station (13 km)
- Jacksonville Craig Muni Airport (13 km)
- Jacksonville NAS (27 km)
- Jacksonville (37 km)
- Fernandina Beach (43 km)
- St. Augustine Lighthouse (46 km)
- Jackson Whitehouse Nolf (48 km)
- Hastings 4ne (59 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.