ZIP 34950 Zone 10a

Florida · USDA zone 10a, average annual extreme minimum 30°F to 35°F.

Nearest qualified station: FT PIERCE, FL US (USC00083207), 1.2 miles from the Census ZCTA internal point for this ZIP.

Median last 32°F is January 22. 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.

ProbabilityDateHow to read it
90%December 26Earlier date. A last 32°F on or after this day is common.
50%January 22Median.
10%February 27Later 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 20Earlier date. A first 32°F on or before this day is uncommon.
50%January 12Median.
90%February 12Later 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%330

36°F threshold

10%50%90%
Last, on or afterMarch 7January 31December 29
First, on or beforeDecember 14January 8February 13
Season at least365 days344 days304 days

Station FT PIERCE, FL US (USC00083207). 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 33.2%. Freeze dates are conditional on that threshold occurring. Elevation 7.6 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