When is the last frost in Ruskin, FL?

For ZIP code 33575, the average last spring frost (32°F) is January 20, based on NOAA 1991-2020 climate normals for the Tampa Bay Area Wfo, FL weather station. There is a 1-in-10 chance of a frost after February 16.

When is the first frost in Ruskin, FL?

The average first fall frost (32°F) is January 9. There is a 1-in-10 chance of frost by December 19, so tender plants are at risk from that point on.

How long is the growing season in 33575?

In half of years, the frost-free season (between the last and first 32°F frost) is at least 357 days long.

Are these frost dates a forecast?

No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.

Frost dates for 33575Ruskin, FL

The average last spring frost in Ruskin is January 20 and the average first fall frost is January 9, giving a typical growing season of about 357 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost: Jan 20
Average first fall frost: Jan 9
Growing season: 357 days

Frost risk by date

NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.

Spring dates: chance of a frost AFTER the date. Fall dates: chance of a frost BEFORE the date.
Temperature	Last spring: 90% / 50% / 10% chance	First fall: 10% / 50% / 90% chance	Growing season (50%)	Years with at least one
Light frost (36°F)	Jan 6 · Feb 3 · Mar 6	Dec 4 · Jan 1 · Feb 1	327 days	91%
Frost / freeze (32°F)	Dec 31 · Jan 20 · Feb 16	Dec 19 · Jan 9 · Feb 7	357 days	54%
Hard freeze (28°F)	Dec 31 · Jan 17 · Feb 7	Dec 29 · Jan 14 · Feb 5	365 days	17%

Where these dates come from

ZIP code 33575 is matched to the NOAA station Tampa Bay Area Wfo, FL, 3 km away, at 40 ft elevation (33 ft higher than the ZIP code's center). Nearby stations for comparison:

Station	Elevation	Avg last frost	Avg first frost
Tampa Bay Area Wfo, FL (used)	40 ft	Jan 20	Jan 9
Parrish, FL	60 ft	Jan 28	Jan 9
St Petersburg Ap, FL	8 ft	—	—
St Petersburg, FL	8 ft	Jan 17	Jan 15

Frost dates near Ruskin

Ruskin, FL 33570 · last Jan 20, first Jan 9
Sun City Center, FL 33571 · last Jan 20, first Jan 9
Sun City, FL 33586 · last Jan 20, first Jan 9
Apollo Beach, FL 33572 · last Jan 20, first Jan 9
Wimauma, FL 33598 · last Jan 20, first Jan 9
Gibsonton, FL 33534 · last Jan 20, first Jan 9
Tampa, FL 33608 · last Jan 20, first Jan 12
Balm, FL 33503 · last Jan 20, first Jan 9

Frequently asked questions

When is the last frost in Ruskin, FL?: For ZIP code 33575, the average last spring frost (32°F) is January 20, based on NOAA 1991-2020 climate normals for the Tampa Bay Area Wfo, FL weather station. There is a 1-in-10 chance of a frost after February 16.
When is the first frost in Ruskin, FL?: The average first fall frost (32°F) is January 9. There is a 1-in-10 chance of frost by December 19, so tender plants are at risk from that point on.
How long is the growing season in 33575?: In half of years, the frost-free season (between the last and first 32°F frost) is at least 357 days long.
Are these frost dates a forecast?: No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.