ZIP 32301 Zone 9a

Florida · USDA zone 9a, average annual extreme minimum 20°F to 25°F.

Nearest qualified station: TALLAHASSEE, FL US (USW00093805), 4.7 miles from the Census ZCTA internal point for this ZIP.

Median last 32°F is March 11. Median first 32°F is November 21. The 50% growing-season length is 255 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%February 18Earlier date. A last 32°F on or after this day is common.
50%March 11Median.
10%March 30Later 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 3Earlier date. A first 32°F on or before this day is uncommon.
50%November 21Median.
90%December 14Later 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%286
50%255
90%226

28°F threshold

10%50%90%
Last, on or afterMarch 17February 25January 28
First, on or beforeNovember 15December 6January 9
Season at least325 days290 days256 days

36°F threshold

10%50%90%
Last, on or afterApril 15March 25March 5
First, on or beforeOctober 24November 9December 1
Season at least255 days228 days202 days

Station TALLAHASSEE, FL US (USW00093805). Completeness flag S, 30 years used for the 32°F dates. NCEI’s annual probability of at least one day at or below 32°F is 100%. Freeze dates are conditional on that threshold occurring. Elevation 19.2 m. The same probability language applies to the 28°F and 36°F rows when those dates passed the same quality checks.

Methodology · Florida cities