Last frost date in Port St. Lucie, Florida

January 23

Average last frost in spring. In an early year (1 in 10) it's over by January 4; in a late year (1 in 10) it comes after February 10.

January 18

Average first frost in fall. 1 year in 10 it comes by January 1.

A 32°F night happens here about 1 years in 10; in those years these are the usual dates.

Source: NOAA U.S. Climate Normals 1991–2020, station Stuart (USC00088620), 11.1 miles from Port St. Lucie, elevation 13 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.

This station is also the nearest one for Stuart, so its frost dates are the same as Port St. Lucie's.

What to plant now

Frost dates for Port St. Lucie, Florida
Early yearAverageLate year
Last frost in springJan 4Jan 23Feb 10
First frost in fallJan 1Jan 18Feb 9

Frost-free days in an average year: 365

Light frost, frost and hard freeze in Port St. Lucie
Chance in a yearAverage last in springAverage first in fall
Light frost (36°F)4 years in 10Jan 27Jan 17
Frost (32°F)1 years in 10Jan 23Jan 18
Hard freeze (28°F)Under 1 year in 20——

Nights at 32°F or colder in an average year: 0.3

What to plant now in Port St. Lucie

Nothing in USDA's planting table is in its window in Port St. Lucie right now, or opens in the next 45 days.

Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5. How we match the table.

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