ZIP 33161 Zone 11a

Florida · USDA zone 11a, average annual extreme minimum 40°F to 45°F.

Nearest qualified station: PERRINE 4W, FL US (USC00087020), 26.7 miles from the Census ZCTA internal point for this ZIP.

Median last 32°F is January 18. Median first 32°F is January 13. 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.

ProbabilityDateHow to read it
90%December 31Earlier date. A last 32°F on or after this day is common.
50%January 18Median.
10%February 1Later 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%December 31Earlier date. A first 32°F on or before this day is uncommon.
50%January 13Median.
90%February 1Later 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%365
50%365
90%361

36°F threshold

10%50%90%
Last, on or afterFebruary 23January 25December 30
First, on or beforeDecember 20January 15February 13
Season at least365 days365 days318 days

Station PERRINE 4W, FL US (USC00087020). Completeness flag S, 29 years used for the 32°F dates. NCEI’s annual probability of at least one day at or below 32°F is 11.4%. Freeze dates are conditional on that threshold occurring. Elevation 3 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