Frost dates for Tampa Intl Airport, FL
At Tampa Intl Airport, the median last spring frost (32°F) is Jan 20 and the median first fall frost is Jan 12, for a typical growing season of 365 days. For a 90% chance that the last frost has passed, wait until Feb 10. Nearby ZIP codes are in USDA hardiness zones 9b to 10a.
- Jan 20Last spring frost (median)50% chance of 32°F after this date
- Feb 10Safer planting date10% chance of 32°F after this date
- Jan 12First fall frost (median)50% chance of 32°F by this date
- 365 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 | Dec 31 | Jan 29 | Feb 23 |
| 32°F | Dec 27 | Jan 20 | Feb 10 |
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 14 | Jan 8 | Feb 8 |
| 32°F | Dec 23 | Jan 12 | 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 | 311 days | 344 days | 365 days |
| 32°F | 335 days | 365 days | 365 days |
| 28°F | 363 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 | 74% |
| 32°F | 34% |
| 28°F | 9% |
| 24°F | 1% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 33607 | 10a | 30 to 35°F | 2 km |
| 33609 | 10a | 30 to 35°F | 3 km |
| 33634 | 10a | 30 to 35°F | 5 km |
| 33629 | 10a | 30 to 35°F | 5 km |
| 33614 | 10a | 30 to 35°F | 6 km |
| 33615 | 10a | 30 to 35°F | 6 km |
| 33606 | 10a | 30 to 35°F | 7 km |
| 33603 | 10a | 30 to 35°F | 8 km |
| 33602 | 10a | 30 to 35°F | 8 km |
| 33611 | 10a | 30 to 35°F | 9 km |
| 33635 | 10a | 30 to 35°F | 10 km |
| 33604 | 10a | 30 to 35°F | 10 km |
| 33616 | 10a | 30 to 35°F | 11 km |
| 33605 | 10a | 30 to 35°F | 11 km |
| 33625 | 10a | 30 to 35°F | 12 km |
| 33626 | 10a | 30 to 35°F | 13 km |
| 33621 | 10a | 30 to 35°F | 13 km |
| 33618 | 9b | 25 to 30°F | 13 km |
| 33624 | 10a | 30 to 35°F | 13 km |
| 33612 | 9b | 25 to 30°F | 13 km |
| 33619 | 10a | 30 to 35°F | 16 km |
| 33613 | 9b | 25 to 30°F | 16 km |
| 33610 | 9b | 25 to 30°F | 16 km |
| 33620 | 9b | 25 to 30°F | 17 km |
| 33617 | 9b | 25 to 30°F | 17 km |
| 33637 | 9b | 25 to 30°F | 20 km |
| 33548 | 9b | 25 to 30°F | 21 km |
| 33549 | 9b | 25 to 30°F | 22 km |
| 33558 | 9b | 25 to 30°F | 23 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 USW00012842, at 27.9619, -82.5403, elevation 6 m (19 ft).
- Data quality: Standard (24+ years of data), 28 years of freeze data.
- Average days per year at or below 32°F: 1.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- St. Petersburg Intl Airport (16 km)
- St. Petersburg (24 km)
- St. Petersburg Airport (24 km)
- Tarpon Springs Sewage Plant (30 km)
- Tampa Bay Area WFO (32 km)
- Plant City (40 km)
- Parrish (44 km)
- Saint Leo (50 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.