Frost dates for Marianna Muni Airport, FL
At Marianna Muni Airport, the median last spring frost (32°F) is Mar 1 and the median first fall frost is Nov 27, for a typical growing season of 270 days. For a 90% chance that the last frost has passed, wait until Mar 21. Nearby ZIP codes are in USDA hardiness zone 9a.
- Mar 1Last spring frost (median)50% chance of 32°F after this date
- Mar 21Safer planting date10% chance of 32°F after this date
- Nov 27First fall frost (median)50% chance of 32°F by this date
- 270 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 | Feb 23 | Mar 16 | Apr 5 |
| 32°F | Feb 2 | Mar 1 | Mar 21 |
| 28°F | Jan 7 | Feb 9 | Mar 10 |
| 24°F | Dec 28 | Jan 28 | Feb 27 |
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 | Oct 30 | Nov 13 | Dec 1 |
| 32°F | Nov 8 | Nov 27 | Dec 28 |
| 28°F | Nov 19 | Dec 22 | Jan 21 |
| 24°F | Dec 4 | Jan 5 | 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 | 217 days | 242 days | 268 days |
| 32°F | 243 days | 270 days | 305 days |
| 28°F | 270 days | 308 days | 345 days |
| 24°F | 305 days | 340 days | 365 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 97% |
| 24°F | 73% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 32446 | 9a | 20 to 25°F | 5 km |
| 32443 | 9a | 20 to 25°F | 8 km |
| 32445 | 9a | 20 to 25°F | 15 km |
| 32432 | 9a | 20 to 25°F | 17 km |
| 32423 | 9a | 20 to 25°F | 18 km |
| 32448 | 9a | 20 to 25°F | 19 km |
| 32426 | 9a | 20 to 25°F | 22 km |
| 32460 | 9a | 20 to 25°F | 23 km |
| 32442 | 9a | 20 to 25°F | 24 km |
| 36320 | 9a | 20 to 25°F | 27 km |
| 32421 | 9a | 20 to 25°F | 35 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 USW00003818, at 30.8356, -85.1839, elevation 34 m (113 ft).
- Data quality: Representative (10+ years), 22 years of freeze data.
- Average days per year at or below 32°F: 22.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Chipley (36 km)
- Bonifay Tri Co Airport (40 km)
- Quincy 3 SSW (66 km)
- New Hope (68 km)
- NW Florida Beaches Intl Airport (79 km)
- Panama City 5n (80 km)
- Wewahitchka (80 km)
- Panama City Bay Co Airport (84 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.