Frost Dates for 97443 — Glide, Oregon

Half of springs at Idleyld Park 4 NE, OR see their last 32°F night by April 27; only one in ten is past it by April 2, and one in ten still has one after May 15. Planting tender crops after May 5 leaves a 30% risk of a frost on them, after May 9 20%, and after May 15 10%. The 18 days between the even-odds date and the one-in-ten date is narrower than at 77% of the 103 Oregon stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 19 in half of years, as early as September 26 one year in ten, and holds off past November 14 one year in ten. A hard freeze of 28°F follows 25 days later, around November 13; in spring the one-in-ten date for 28°F is April 27, 18 days before the 32°F one. The freeze-free season lasts 176 days in a typical year, shorter than at 66% of the 103 Oregon stations; it reaches 208 days one year in ten and falls short of 144 one year in ten. On average 71 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 24 days longer, to about May 21, and return around September 27. Nights of 24°F, cold enough to damage hardier plants, come in 91% of winters and 16°F in 19%.

July is the warmest month at Idleyld Park 4 NE, OR, averaging 84°F by day and 51°F at night; December is the coldest at 44°F and 33°F. A freezing night is all but certain in every month from November to March (a 90% chance or more). From June to August the chance of a 32°F night stays under 10% each month. In spring, April still brings one in 84% of years and May still brings one in 39% of years.

Warmth for growing adds up to 2,209 growing degree days a year (base 50°F), fewer than at 52% of the 103 Oregon stations. 30% of them (655) have built up by the end of June, and July adds the most, 541. Precipitation totals 60.7 inches a year, most in December (10.7") and least in July (0.5"); May to September bring 14% of it.

The nearest other station, Roseburg Regional Airport, OR, 16 miles west of Glide and 555 feet lower, has a last frost 39 days earlier (March 19), a first frost 32 days later (November 20), a season 69 days longer.

The first measurable snow (0.1 inch or more) in Glide usually arrives around December 13, and the last of the season around February 27. Those are the middle dates across the winters of 1991–2020 at Idleyld Park 4 NE, OR, 9.5 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 59 days after the last snow.

ZIP 97443 is 10 miles from Idleyld Park 4 NE, OR, which stands at 1,080 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 97443 in zone 8b, the band where the coldest night of the year averaged 15 to 20°F (-9.4 to -6.7°C) over 1991–2020; a zone describes winter lows, not frost dates.