Frost Dates for 73632 — Cordell, Oklahoma

Half of springs at Bessie 4WNW Mesonet, OK see their last 32°F night by April 3; only one in ten is past it by March 15, and one in ten still has one after April 20. Planting tender crops after April 10 leaves a 30% risk of a frost on them, after April 15 20%, and after April 20 10%. The 17 days between the even-odds date and the one-in-ten date is narrower than at 41% of the 114 Oklahoma stations behind this site's ZIP pages.

In fall the first 32°F night comes by November 1 in half of years, as early as October 19 one year in ten, and holds off past November 15 one year in ten. A hard freeze of 28°F follows 8 days later, around November 9; in spring the one-in-ten date for 28°F is April 10, 10 days before the 32°F one. The freeze-free season lasts 210 days in a typical year, shorter than at 50% of the 114 Oklahoma stations; it reaches 233 days one year in ten and falls short of 189 one year in ten. On average 82 nights a year drop to 32°F or below. Nights of 36°F, when frost can still settle on leaves in low, open spots, continue 12 days longer, to about April 15, and return around October 25. Severe cold of 16°F or below comes in 98% of winters, usually between December 18 and February 13.

July is the warmest month at Bessie 4WNW Mesonet, OK, averaging 95°F by day and 71°F at night; January is the coldest at 50°F and 27°F. A freezing night is all but certain in every month from November to March (a 90% chance or more). From May to September the chance of a 32°F night stays under 10% each month. In spring, April still brings one in 59% of years.

Warmth for growing adds up to 5,144 growing degree days a year (base 50°F), more than at 50% of the 114 Oklahoma stations. 38% of them (1,935) have built up by the end of June, and July adds the most, 1,023.

The nearest other station, Clinton, OK, 15 miles north of Cordell, has a last frost 10 days later (April 13), a first frost 4 days earlier (October 28), a season 13 days shorter.

The first measurable snow (0.1 inch or more) in Cordell usually arrives around December 18, and the last of the season around February 7. Those are the middle dates across the winters of 1991–2020 at Cordell, OK, 2.8 miles away: half of years saw snow earlier, half later. Snow fell in 89% of those winters. The last 32°F night of spring typically comes 55 days after the last snow.

ZIP 73632 is 10 miles from Bessie 4WNW Mesonet, OK, which stands at 1,676 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 73632 in zone 7b, the band where the coldest night of the year averaged 5 to 10°F (-15.0 to -12.2°C) over 1991–2020; a zone describes winter lows, not frost dates.