Frost Dates for 64772 — Nevada, Missouri

Half of springs at Nevada Wtp, MO see their last 32°F night by April 7; only one in ten is past it by March 22, and one in ten still has one after April 24. Planting tender crops after April 14 leaves a 30% risk of a frost on them, after April 19 20%, and after April 24 10%. The 17 days between the even-odds date and the one-in-ten date is wider than at 66% of the 158 Missouri stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 27 in half of years, as early as October 13 one year in ten, and holds off past November 10 one year in ten. A hard freeze of 28°F follows 9 days later, around November 5; in spring the one-in-ten date for 28°F is April 12, 12 days before the 32°F one. The freeze-free season lasts 202 days in a typical year, longer than at 73% of the 158 Missouri stations; it reaches 222 days one year in ten and falls short of 180 one year in ten. On average 97 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 20, and return around October 18. Severe cold of 16°F or below comes every winter, usually between December 9 and February 28.

July is the warmest month at Nevada Wtp, MO, averaging 89°F by day and 68°F at night; January is the coldest at 42°F and 22°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 69% of years.

Warmth for growing adds up to 4,202 growing degree days a year (base 50°F), more than at 68% of the 158 Missouri stations. 36% of them (1,528) have built up by the end of June, and July adds the most, 885. Precipitation totals 46.6 inches a year, most in May (6.8") and least in January (1.8"); May to September bring 54% of it.

The nearest other station, Lamar 7N, MO, 17 miles south of Nevada, has a last frost 2 days later (April 9), the same first-frost date, a season 3 days shorter.

The first measurable snow (0.1 inch or more) in Nevada usually arrives around December 11, and the last of the season around February 21. Those are the middle dates across the winters of 1991–2020 at Nevada Wtp, MO, 1.3 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 45 days after the last snow.

ZIP 64772 is 1 mile from Nevada Wtp, MO, which stands at 871 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 64772 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.