Frost Dates for 73703 — Enid, Oklahoma

Half of springs at Enid, OK see their last 32°F night by April 6; only one in ten is past it by March 20, and one in ten still has one after April 21. Planting tender crops after April 12 leaves a 30% risk of a frost on them, after April 17 20%, and after April 21 10%. The 15 days between the even-odds date and the one-in-ten date is narrower than at 86% 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 21 one year in ten, and holds off past November 15 one year in ten. A hard freeze of 28°F follows 9 days later, around November 10; in spring the one-in-ten date for 28°F is April 12, 9 days before the 32°F one. The freeze-free season lasts 209 days in a typical year, shorter than at 58% of the 114 Oklahoma stations; it reaches 232 days one year in ten and falls short of 189 one year in ten. On average 85 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 10 days longer, to about April 16, and return around October 24. Severe cold of 16°F or below comes every winter, usually between December 15 and February 21.

July is the warmest month at Enid, OK, averaging 95°F by day and 72°F at night; January is the coldest at 47°F and 25°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 67% of years.

Warmth for growing adds up to 5,025 growing degree days a year (base 50°F), fewer than at 68% of the 114 Oklahoma stations. 37% of them (1,844) have built up by the end of June, and July adds the most, 1,032. Precipitation totals 33.2 inches a year, most in June (4.8") and least in January (1.0"); May to September bring 57% of it.

The nearest other station, Hennessey 4 ESE, OK, 22 miles south of Enid, has a last frost 8 days later (April 14), a first frost 2 days earlier (October 30), a season 11 days shorter.

The first measurable snow (0.1 inch or more) in Enid usually arrives around December 6, and the last of the season around March 2. Those are the middle dates across the winters of 1991–2020 at Enid, OK, 3.2 miles away: half of years saw snow earlier, half later. Snow fell in 90% of those winters. The last 32°F night of spring typically comes 35 days after the last snow.

ZIP 73703 is 3 miles from Enid, OK, which stands at 1,245 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 1 other ZIP code shares the station. The 2023 USDA Plant Hardiness Zone Map lists ZIP 73703 in zone 7a, the band where the coldest night of the year averaged 0 to 5°F (-17.8 to -15.0°C) over 1991–2020; a zone describes winter lows, not frost dates.