El Reno, OK 73036 Frost Dates
El Reno, OK: when does the frost end?
Around 04/06 is the usual last spring frost, about 221 days away. Fall's first freeze usually shows up around 10/31, roughly 206 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts El Reno in Zone 7b (5 to 10°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 9 weeks until El Reno's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
04/06 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/21 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/22 and only about 1 year in 10 sees frost after that.
El Reno against the rest of the dataset
About 206 days separate El Reno's last and first frost, putting it 15,965 of 40,283 ZIP codes nationally. Within OK, it ranks 545 of 764.
Learn more
Before leaning on 73036's figures: zone vs. frost date explains why Zone 7b and El Reno's frost date answer different questions, while the frost range explains how to read the range around El Reno's dates instead of trusting one.