When Is the Last Frost?

Frost dates for 33412 — West Palm Beach, FL

Last spring frostJan 21median date
First fall frostJan 15median date
Growing season359 daysfrost-free
Hardiness zone10bZone 10b

Frost is light and occasional here — typically a few cold nights around midwinter (about 1 a year). Cover tender plants when frost is forecast.

How West Palm Beach compares

Frost probability

Last spring frost
Chance of frost afterDate
90% (early)December 29
50% (median)January 21
10% (safe for tender plants)February 12
First fall frost
Chance of frost beforeDate
10% (early)December 25
50% (median)January 15
90% (late)February 9

Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.

Gardening where frost is rare

West Palm Beach, FL only freezes on a few winter nights, so the usual "plant after the last frost" rule doesn't apply. Heat and rainfall decide the seasons instead:

About these dates

Based on 1991–2020 NOAA climate normals for the Palm Beach Gardens, FL weather station, 10 km away (elevation 20 ft (6 m)).

ZIP codes in West Palm Beach: 33401 33402 33403 33404 33405 33406 33407 33409 33411 33412 33413 33415 33416 33417 33419 33420 33422

Frost dates near West Palm Beach

Frequently asked questions

When is the last frost in West Palm Beach, FL?

The median last spring frost in West Palm Beach, FL is January 21. There is still about a 10% chance of frost after February 12, so wait until then to plant frost-tender crops like tomatoes and peppers.

When is the first frost in West Palm Beach, FL?

The median first fall frost is January 15, with about a 10% chance of frost before December 25.

How long is the growing season in West Palm Beach, FL?

About 359 days between the median last spring frost and first fall frost.

What planting zone is West Palm Beach, FL?

West Palm Beach, FL is in USDA hardiness zone 10b.

Check another location