When is the last frost in Merritt Island, FL?

For ZIP code 32952, the average last spring frost (32°F) is January 24, based on NOAA 1991-2020 climate normals for the Melbourne Wfo, FL weather station. There is a 1-in-10 chance of a frost after February 24.

When is the first frost in Merritt Island, FL?

The average first fall frost (32°F) is January 9. There is a 1-in-10 chance of frost by December 20, so tender plants are at risk from that point on.

How long is the growing season in 32952?

In half of years, the frost-free season (between the last and first 32°F frost) is at least 359 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 32952Merritt Island, FL

The average last spring frost in Merritt Island is January 24 and the average first fall frost is January 9, giving a typical growing season of about 359 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost: Jan 24
Average first fall frost: Jan 9
Growing season: 359 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 7 · Feb 6 · Mar 9	Dec 6 · Jan 2 · Feb 3	324 days	91%
Frost / freeze (32°F)	Dec 29 · Jan 24 · Feb 24	Dec 20 · Jan 9 · Feb 13	359 days	57%
Hard freeze (28°F)	Dec 29 · Jan 15 · Feb 8	Dec 24 · Jan 10 · Feb 5	365 days	20%

Where these dates come from

ZIP code 32952 is matched to the NOAA station Melbourne Wfo, FL, 18.1 km away, at 35 ft elevation (35 ft higher than the ZIP code's center). Nearby stations for comparison:

Station	Elevation	Avg last frost	Avg first frost
Melbourne Wfo, FL (used)	35 ft	Jan 24	Jan 9
Melbourne Intl Ap, FL	22 ft	Jan 20	Jan 12
Melbourne Beach A1A, FL	12 ft	Jan 16	Jan 13
Titusville 7 E, FL	3 ft	Jan 29	Jan 16

Frost dates near Merritt Island

Orlando, FL 32815 · last Jan 24, first Jan 9
Cocoa, FL 32924 · last Jan 24, first Jan 9
Sharpes, FL 32959 · last Jan 24, first Jan 9
Cocoa Beach, FL 32932 · last Jan 24, first Jan 9
Melbourne, FL 32940 · last Jan 24, first Jan 9
Rockledge, FL 32955 · last Jan 24, first Jan 9
Satellite Beach, FL 32937 · last Jan 20, first Jan 12
Patrick Afb, FL 32925 · last Jan 20, first Jan 12

Frequently asked questions

When is the last frost in Merritt Island, FL?: For ZIP code 32952, the average last spring frost (32°F) is January 24, based on NOAA 1991-2020 climate normals for the Melbourne Wfo, FL weather station. There is a 1-in-10 chance of a frost after February 24.
When is the first frost in Merritt Island, FL?: The average first fall frost (32°F) is January 9. There is a 1-in-10 chance of frost by December 20, so tender plants are at risk from that point on.
How long is the growing season in 32952?: In half of years, the frost-free season (between the last and first 32°F frost) is at least 359 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.