Mill Creek, OK 74856 Frost Dates
Mill Creek, OK: when does the frost end?
Typically, the last spring freeze lands around 03/29, roughly 213 days out. Fall's first freeze usually shows up around 11/06, roughly 222 days after the last spring frost.
Mill Creek sits in USDA Zone 7b (5 to 10°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 Mill Creek's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Mill Creek's last frost
03/29 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/08 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/18 and only about 1 year in 10 sees frost after that.
Mill Creek against the rest of the dataset
At roughly 222 frost-free days, Mill Creek places 12,346 of 40,283 ZIP codes in this dataset. Within OK, it ranks 119 of 764.
Learn more
Before leaning on 74856's figures: zone vs. frost date explains why Zone 7b and Mill Creek's frost date answer different questions, while the frost range explains how to read the range around Mill Creek's dates instead of trusting one.