Harman US

Frost Dates for Wimauma, FL

Last spring frost
Jan 28
First fall frost
Jan 9
Growing season
355 days
Hardiness zone
9b

In an average year around Wimauma, FL, the last spring frost (32°F) is about Jan 28 and the first fall frost is about Jan 9, giving roughly a 355-day growing season. To be safe most years, wait until Dec 31 before setting out tender plants.

Last spring frost

Dates the last frost of spring typically ends. Plant tender crops after the risk has passed for your comfort level.

Last spring frost - Wimauma, FL
Frost intensity Early (10%) Average (50%) Late (90%)
Light (36°F) Mar 4 Feb 6 Jan 4
Freeze (32°F) Feb 24 Jan 28 Dec 31
Hard (28°F) Feb 14 Jan 17 Dec 31
Show full probability table (all thresholds & percentiles)
°F 10% 20% 30% 40% 50% 60% 70% 80% 90%
36°F Mar 4 Feb 26 Feb 20 Feb 12 Feb 6 Feb 1 Jan 28 Jan 17 Jan 4
32°F Feb 24 Feb 15 Feb 6 Feb 2 Jan 28 Jan 19 Jan 11 Jan 6 Dec 31
28°F Feb 14 Feb 4 Feb 1 Jan 29 Jan 17 Jan 12 Jan 9 Jan 5 Dec 31

First fall frost

Dates the first frost of fall typically arrives. Count back by a crop's days-to-maturity to know your planting cutoff.

First fall frost - Wimauma, FL
Frost intensity Early (10%) Average (50%) Late (90%)
Light (36°F) Dec 2 Jan 2 Feb 4
Freeze (32°F) Dec 18 Jan 9 Feb 13
Hard (28°F) Dec 29 Jan 14 Feb 7
Show full probability table (all thresholds & percentiles)
°F 10% 20% 30% 40% 50% 60% 70% 80% 90%
36°F Dec 2 Dec 10 Dec 21 Dec 28 Jan 2 Jan 6 Jan 14 Jan 22 Feb 4
32°F Dec 18 Dec 27 Jan 1 Jan 5 Jan 9 Jan 15 Jan 23 Feb 1 Feb 13
28°F Dec 29 Jan 2 Jan 6 Jan 9 Jan 14 Jan 20 Jan 29 Feb 1 Feb 7

Growing season is measured at 32°F with about 50% probability. Hardiness zone from the 2023 USDA map; frost normals from NOAA 1991-2020.

Where this data comes from

These dates are computed from the nearest official weather station with long-term records: Parrish, Fl, about 7 miles away@if(!empty($station['elevation_ft'])), at 60 ft elevation. The further the station and the greater the elevation difference from your yard, the more your local frost timing can vary.

@endif
How we calculate these dates

Frost and freeze dates come from the NOAA 1991–2020 U.S. Climate Normals, the National Oceanic and Atmospheric Administration's 30-year averages for each weather station. A date shown at the 50% level is the median: in half of years the frost falls on or before it. The 10% and 90% columns show the early and late ends of the range, so you can plant on the odds you're comfortable with. These are long-term averages, not a forecast for this year - always check your local outlook before planting.

Source: NOAA National Centers for Environmental Information, 1991–2020 Climate Normals (public domain). Harman is not affiliated with or endorsed by NOAA.

Frequently asked questions

When is the last frost in Wimauma, FL?

On average, the last spring frost (32°F) around Wimauma, FL is about Jan 28. In cooler years it can run later, so for a safer bet many gardeners wait until Dec 31.

When is the first frost in the fall?

The first fall frost around Wimauma, FL typically arrives about Jan 9. Count back by a crop's days to maturity to find the latest date you can plant it.

When can I plant tomatoes and other tender crops?

Tender crops like tomatoes, peppers and basil are damaged by frost, so wait until the last spring frost has passed - around Jan 28 on average, or Dec 31 to be safe most years.

How long is the growing season here?

The frost-free growing season (between the last spring and first fall 32°F frost) is about 355 days in a typical year.

Are these dates a forecast for this year?

No. They are 30-year averages from the NOAA 1991–2020 Climate Normals, not a prediction for the current year. Use them for planning and always check your local weather forecast before planting or protecting crops.

Local weather for 33598 Planting calendar → Florida frost dates →

Data source: NOAA 1991–2020 Climate Normals · Page updated Aug 4, 2026