FrostDateCheck

Port Richey, FL 34667 Frost Dates

Frost dates for Port Richey, FL, ZIP 34667

Zone 9b

The last spring frost here typically falls around 02/05, about 161 days from today. The first fall frost typically arrives around 01/01, about 322 frost-free days later.

Port Richey sits in USDA Zone 9b (25 to 30°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.

What to do before the first frost

Zone 9b around Port Richey has about 18 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.

How much risk comes with planting early here

02/05 is the middle of 30 years of NOAA records, not a promise. Plant by 01/06 and you're betting against frost in roughly 9 years out of 10. 03/05 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Port Richey compares

About 322 days separate Port Richey's last and first frost, putting it 3,285 of 40,283 ZIP codes nationally. Within FL, it ranks 1,222 of 1,609.

Learn more

zone vs. frost date explains why Zone 9b and Port Richey's frost date answer different questions, and the frost range explains how to read the range around Port Richey's dates instead of trusting one.