Chickasha, OK 73018 Frost Dates
When can you plant in Chickasha, OK?
The last spring frost here typically falls around 04/13, about 228 days from today. The first fall frost typically arrives around 10/27, about 196 frost-free days later.
Chickasha 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.
What to do before the first frost
About 9 weeks of growing season left in Chickasha before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
04/13 is the middle of 30 years of NOAA records, not a promise. Plant by 03/29 and you're betting against frost in roughly 9 years out of 10. 04/28 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Chickasha compares
About 196 days separate Chickasha's last and first frost, putting it 18,917 of 40,283 ZIP codes nationally. Within OK, it ranks 692 of 764.
Learn more
the frost range covers how to read the range around Chickasha's dates instead of trusting one. local microclimates covers what one yard in Chickasha can differ from the 73018 normal.