ZIP 32203 Zone 9b

Florida · USDA zone 9b, average annual extreme minimum 25°F to 30°F.

Nearest qualified station: JACKSONVILLE NAS, FL US (USW00093837), 7.2 miles from the Census ZCTA internal point for this ZIP.

Median last 32°F is February 1. Median first 32°F is January 5. The 50% growing-season length is 330 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%February 1Median.
10%March 3Later 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 3Earlier date. A first 32°F on or before this day is uncommon.
50%January 5Median.
90%February 6Later 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%330
90%299

28°F threshold

10%50%90%
Last, on or afterFebruary 19January 22December 28
First, on or beforeDecember 19January 14February 12
Season at least365 days365 days325 days

36°F threshold

10%50%90%
Last, on or afterMarch 15February 18January 20
First, on or beforeNovember 20December 17January 22
Season at least334 days302 days265 days

Station JACKSONVILLE NAS, FL US (USW00093837). Completeness flag R, 23 years used for the 32°F dates. NCEI’s annual probability of at least one day at or below 32°F is 80.2%. Freeze dates are conditional on that threshold occurring. Elevation 6.1 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