Frost Dates for 64744 — El Dorado Springs, Missouri

Half of springs at Eldorado Springs, MO see their last 32°F night by April 8; only one in ten is past it by March 23, and one in ten still has one after April 27. Planting tender crops after April 15 leaves a 30% risk of a frost on them, after April 20 20%, and after April 27 10%. The 19 days between the even-odds date and the one-in-ten date is wider than at 92% of the 158 Missouri stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 29 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 8 days later, around November 6; in spring the one-in-ten date for 28°F is April 12, 15 days before the 32°F one. The freeze-free season lasts 199 days in a typical year, longer than at 64% of the 158 Missouri stations; it reaches 222 days one year in ten and falls short of 176 one year in ten. On average 100 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 14 days longer, to about April 22, and return around October 19. Severe cold of 16°F or below comes every winter, usually between December 8 and February 28.

July is the warmest month at Eldorado Springs, 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 4,167 growing degree days a year (base 50°F), more than at 63% of the 158 Missouri stations. 36% of them (1,494) have built up by the end of June, and July adds the most, 882. Precipitation totals 48.8 inches a year, most in May (6.9") and least in January (2.1"); May to September bring 52% of it.

The nearest other station, Stockton Dam, MO, 17 miles southeast of El Dorado Springs, has a last frost 2 days earlier (April 6), a first frost 1 day later (October 30), a season 8 days longer.

The first measurable snow (0.1 inch or more) in El Dorado Springs usually arrives around December 24, and the last of the season around January 30. Those are the middle dates across the winters of 1991–2020 at Eldorado Springs, MO, 1 miles away: half of years saw snow earlier, half later. Snow fell in 55% of those winters. The last 32°F night of spring typically comes 68 days after the last snow.

ZIP 64744 is 1 mile from Eldorado Springs, MO, which stands at 915 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 64744 in zone 6b, the band where the coldest night of the year averaged -5 to 0°F (-20.6 to -17.8°C) over 1991–2020; a zone describes winter lows, not frost dates.