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Frost dates / Florida / Apopka

Frost dates in Apopka, FL

The station on this page is MT PLYMOUTH 1SSW, FL US (USC00087228), 6.7 miles from the city point. Population in the Census 2024 estimate is 62,777.

Zone 9bUSDA average annual extreme minimum 25°F to 30°F, from ZIP 32768 (1.6 miles from the city point used on this page).

Median last 32°F is February 24. Median first 32°F is December 29. The 50% growing-season length is 301 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.

ProbabilityDateHow to read it
90%January 22Earlier date. A last 32°F on or after this day is common.
50%February 24Median.
10%March 20Later 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.

ProbabilityDateHow to read it
10%November 29Earlier date. A first 32°F on or before this day is uncommon.
50%December 29Median.
90%January 27Later 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 longDays
10%335
50%301
90%266

28°F threshold

10%50%90%
Last, on or afterMarch 6February 3January 5
First, on or beforeDecember 12January 10February 9
Season at least365 days332 days295 days

36°F threshold

10%50%90%
Last, on or afterMarch 31March 12February 12
First, on or beforeNovember 11December 7January 6
Season at least306 days273 days238 days

Station MT PLYMOUTH 1SSW, FL US (USC00087228). Completeness flag R, 11 years used for the 32°F dates. NCEI’s annual probability of at least one day at or below 32°F is 97.9%. Freeze dates are conditional on that threshold occurring. Elevation 27.4 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 Apopka · Zone 9b

Check a crop against this station

Apopka, FL

Zone 9bAverage annual extreme minimum 25°F to 30°F

Median last 32°F is February 24. Median first 32°F is December 29. The 50% growing-season length is 301 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%

Florida. Nearest qualified station: MT PLYMOUTH 1SSW, FL US (USC00087228), 6.7 miles. Median last 32°F February 24. Median first 32°F December 29. The 50% growing-season length is 301 days.

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32°F probabilities at this station
10%50%90%
Last 32°F on or afterMarch 20February 24January 22
First 32°F on or beforeNovember 29December 29January 27

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.

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