Frost Dates for 73852 — Mooreland, Oklahoma

Half of springs at Mutual, OK see their last 32°F night by April 19; only one in ten is past it by April 1, and one in ten still has one after May 3. Planting tender crops after April 25 leaves a 30% risk of a frost on them, after April 29 20%, and after May 3 10%. The 14 days between the even-odds date and the one-in-ten date is narrower than at 96% of the 114 Oklahoma stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 26 in half of years, as early as October 11 one year in ten, and holds off past November 8 one year in ten. A hard freeze of 28°F follows 7 days later, around November 2; in spring the one-in-ten date for 28°F is April 23, 10 days before the 32°F one. The freeze-free season lasts 188 days in a typical year, shorter than at 98% of the 114 Oklahoma stations; it reaches 210 days one year in ten and falls short of 168 one year in ten. On average 113 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 9 days longer, to about April 28, and return around October 16. Severe cold of 16°F or below comes every winter, usually between December 1 and February 28.

July is the warmest month at Mutual, OK, averaging 94°F by day and 68°F at night; January is the coldest at 48°F and 22°F. A freezing night is all but certain in every month from November to March (a 90% chance or more). From June to September the chance of a 32°F night stays under 10% each month. In spring, April still brings one in 90% of years and May still brings one in 15% of years.

Warmth for growing adds up to 4,505 growing degree days a year (base 50°F), fewer than at 96% of the 114 Oklahoma stations. 36% of them (1,617) have built up by the end of June, and July adds the most, 958. Precipitation totals 26.8 inches a year, most in May (4.1") and least in January (0.8"); May to September bring 60% of it.

The nearest other station, Woodward 2WSW Mesonet, OK, 16 miles west of Mooreland and 160 feet higher, has a last frost 14 days earlier (April 5), a first frost 4 days later (October 30), a season 18 days longer.

The first measurable snow (0.1 inch or more) in Mooreland usually arrives around December 9, and the last of the season around March 9. Those are the middle dates across the winters of 1991–2020 at Mutual, OK, 15.9 miles away: half of years saw snow earlier, half later. Every one of those winters saw snow. The last 32°F night of spring typically comes 41 days after the last snow.

ZIP 73852 is 16 miles from Mutual, OK, which stands at 1,890 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 73852 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.