Frost Dates for 53952 — Oxford, Wisconsin

Half of springs at Wisconsin Dells, WI see their last 32°F night by May 8; only one in ten is past it by April 24, and one in ten still has one after May 22. Planting tender crops after May 14 leaves a 30% risk of a frost on them, after May 17 20%, and after May 22 10%. The 14 days between the even-odds date and the one-in-ten date is narrower than at 58% of the 182 Wisconsin stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 3 in half of years, as early as September 21 one year in ten, and holds off past October 16 one year in ten. A hard freeze of 28°F follows 11 days later, around October 14; in spring the one-in-ten date for 28°F is May 13, 9 days before the 32°F one. The freeze-free season lasts 146 days in a typical year, shorter than at 73% of the 182 Wisconsin stations; it reaches 167 days one year in ten and falls short of 128 one year in ten. On average 168 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 May 18, and return around September 25. Severe cold of 16°F or below comes every winter, usually between November 15 and March 26.

July is the warmest month at Wisconsin Dells, WI, averaging 83°F by day and 60°F at night; January is the coldest at 26°F and 8°F. A freezing night is all but certain in every month from October to April (a 90% chance or more). From June to August the chance of a 32°F night stays under 10% each month. In spring, May still brings one in 74% of years.

Warmth for growing adds up to 2,517 growing degree days a year (base 50°F), more than at 59% of the 182 Wisconsin stations. 33% of them (842) have built up by the end of June, and July adds the most, 652. Precipitation totals 37.4 inches a year, most in June (5.1") and least in January (1.3"); May to September bring 57% of it.

The nearest other station, Montello, WI, 14 miles east of Oxford, has a last frost 5 days earlier (May 3), a first frost 2 days later (October 5), a season 7 days longer.

The first measurable snow (0.1 inch or more) in Oxford usually arrives around November 22, and the last of the season around April 8. Those are the middle dates across the winters of 1991–2020 at Wisconsin Dells, WI, 14.1 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 30 days after the last snow.

ZIP 53952 is 14 miles from Wisconsin Dells, WI, which stands at 835 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 2 other ZIP codes share the station; its figures are presented in full for 53965 (Wisconsin Dells). The 2023 USDA Plant Hardiness Zone Map lists ZIP 53952 in zone 5a, the band where the coldest night of the year averaged -20 to -15°F (-28.9 to -26.1°C) over 1991–2020; a zone describes winter lows, not frost dates.