Elgin, OK 73538 Frost Dates
73538, near Elgin, OK: the frost window
Typically, the last spring freeze lands around 03/26, roughly 210 days out. Fall's first freeze usually shows up around 11/07, roughly 225 days after the last spring frost.
Elgin 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
Elgin's growing season runs out in roughly 10 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Elgin's last frost
03/26 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/04 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/14 and only about 1 year in 10 sees frost after that.
Elgin against the rest of the dataset
At roughly 225 frost-free days, Elgin places 11,414 of 40,283 ZIP codes in this dataset. Within OK, it ranks 86 of 764.
Learn more
Two guides worth reading on 73538: the frost range, on how to read the range around Elgin's dates instead of trusting one, and local microclimates, on what one yard in Elgin can differ from the 73538 normal.