Frost Dates for 74872 — Stratford, Oklahoma

Half of springs at Byars 3ESE Mesonet, OK see their last 32°F night by March 25; only one in ten is past it by March 3, and one in ten still has one after April 13. Planting tender crops after April 2 leaves a 30% risk of a frost on them, after April 6 20%, and after April 13 10%. The 19 days between the even-odds date and the one-in-ten date is wider than at 81% of the 114 Oklahoma stations behind this site's ZIP pages.

In fall the first 32°F night comes by November 8 in half of years, as early as October 23 one year in ten, and holds off past November 24 one year in ten. A hard freeze of 28°F follows 10 days later, around November 18; in spring the one-in-ten date for 28°F is March 31, 13 days before the 32°F one. The freeze-free season lasts 228 days in a typical year, longer than at 93% of the 114 Oklahoma stations; it reaches 254 days one year in ten and falls short of 202 one year in ten. On average 62 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 13 days longer, to about April 7, and return around October 31. Severe cold of 16°F or below comes in 90% of winters, usually between December 31 and February 1.

August is the warmest month at Byars 3ESE Mesonet, OK, averaging 93°F by day and 71°F at night; January is the coldest at 51°F and 30°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 35% of years.

Warmth for growing adds up to 5,327 growing degree days a year (base 50°F), more than at 76% of the 114 Oklahoma stations. 38% of them (2,047) have built up by the end of June, and August adds the most, 985.

The nearest other station, Pauls Vly 1SSW Mesonet, OK, 15 miles west of Stratford and 177 feet lower, has a last frost 3 days later (March 28), a first frost 1 day earlier (November 7), a season 5 days shorter.

The first measurable snow (0.1 inch or more) in Stratford usually arrives around December 25, and the last of the season around January 28. Those are the middle dates across the winters of 1991–2020 at Pauls Valley 4 WSW, OK, 17.9 miles away: half of years saw snow earlier, half later. Snow fell in 95% of those winters. The last 32°F night of spring typically comes 56 days after the last snow.

ZIP 74872 is 4 miles from Byars 3ESE Mesonet, OK, which stands at 1,131 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 74872 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.