Philadelphia, MS 39350 Frost Dates
Philadelphia, MS: when does the frost end?
Typically, the last spring freeze lands around 03/20, roughly 204 days out. Fall's first freeze usually shows up around 11/09, roughly 235 days after the last spring frost.
Philadelphia sits in USDA Zone 8b (15 to 20°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.
Stretching the season past the first frost
With roughly 10 weeks until Philadelphia's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Philadelphia's last frost
03/20 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/28 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/09 and only about 1 year in 10 sees frost after that.
Philadelphia against the rest of the dataset
About 235 days separate Philadelphia's last and first frost, putting it 9,589 of 40,283 ZIP codes nationally. Within MS, it ranks 327 of 523.
Learn more
Before leaning on 39350's figures: local microclimates explains what one yard in Philadelphia can differ from the 39350 normal, while zone vs. frost date explains why Zone 8b and Philadelphia's frost date answer different questions.