Frost dates / Florida / Tampa

Frost dates in Tampa, FL

The station on this page is TAMPA INTL AP, FL US (USW00012842), 3.7 miles from the city point. Population in the Census 2024 estimate is 414,547.

Zone 10aUSDA average annual extreme minimum 30°F to 35°F, from ZIP 33603 (1.4 miles from the city point used on this page).

Median last 32°F is January 20. Median first 32°F is January 12. The 50% growing-season length is 365 days. The green band runs from the median last frost to the median first frost. Thin ticks mark the 10%, 50%, and 90% dates.

Outside the median season Growing seasonTicks: 10%, 50%, and 90%

Last 32°F in spring

NCEI’s probability is the chance the last spring minimum of 32°F or lower occurs on or after the date.

Probability	Date	How to read it
90%	December 27	Earlier date. A last 32°F on or after this day is common.
50%	January 20	Median.
10%	February 10	Later date. A last 32°F on or after this day is uncommon.

First 32°F in fall

NCEI’s probability is the chance the first autumn minimum of 32°F or lower occurs on or before the date.

Probability	Date	How to read it
10%	December 23	Earlier date. A first 32°F on or before this day is uncommon.
50%	January 12	Median.
90%	February 5	Later date. A first 32°F on or before this day is common.

32°F growing-season length

Days between the last spring 32°F and the first autumn 32°F. The figure is a length the season meets or exceeds at that probability, from NCEI, not a subtraction done on this site.

Probability the season is at least this long	Days
10%	365
50%	365
90%	335

36°F threshold

	10%	50%	90%
Last, on or after	February 23	January 29	December 31
First, on or before	December 14	January 8	February 8
Season at least	365 days	344 days	311 days

Station TAMPA INTL AP, FL US (USW00012842). Completeness flag S, 28 years used for the 32°F dates. NCEI’s annual probability of at least one day at or below 32°F is 34.5%. Freeze dates are conditional on that threshold occurring. Elevation 5.8 m. The same probability language applies to the 28°F and 36°F rows when those dates passed the same quality checks.

Planting calendar for Tampa · Zone 10a

Check a crop against this station

Tampa, FL

Zone 10aAverage annual extreme minimum 30°F to 35°F

Outside the median season Growing seasonTicks: 10%, 50%, and 90%

Florida. Nearest qualified station: TAMPA INTL AP, FL US (USW00012842), 3.7 miles. Median last 32°F January 20. Median first 32°F January 12. The 50% growing-season length is 365 days.

Open the ZIP page · Crop guides for Florida

32°F probabilities at this station

	10%	50%	90%
Last 32°F on or after	February 10	January 20	December 27
First 32°F on or before	December 23	January 12	February 5

Column order matches the NCEI file: for the last freeze, 10% is the later date and 90% is the earlier date. How to read the probabilities.

A wall calendar surrounded by vegetables, herbs, seed packets, and watering cans.

Planting calendar

Windows below are from UF/IFAS, Florida Vegetable Gardening Guide (SP 103/VH021), retrieved 2026-10-10. North = all of Florida north of State Road 40; central = the section of Florida between State Roads 40 and 70; south = all of Florida below State Road 70.

Crop

Date checks use your device’s calendar and appear after the page loads.