Frost Dates for 18424 — Gouldsboro, Pennsylvania

Half of springs at Mt Pocono Mountains Airport, PA see their last 32°F night by May 6; only one in ten is past it by April 21, and one in ten still has one after May 23. Planting tender crops after May 14 leaves a 30% risk of a frost on them, after May 18 20%, and after May 23 10%. The 17 days between the even-odds date and the one-in-ten date is wider than at 50% of the 176 Pennsylvania stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 8 in half of years, as early as September 27 one year in ten, and holds off past October 25 one year in ten. A hard freeze of 28°F follows 13 days later, around October 21; in spring the one-in-ten date for 28°F is May 13, 10 days before the 32°F one. The freeze-free season lasts 154 days in a typical year, shorter than at 84% of the 176 Pennsylvania stations; it reaches 176 days one year in ten and falls short of 134 one year in ten. On average 147 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 May 20, and return around September 28. Severe cold of 16°F or below comes every winter, usually between November 26 and March 23.

July is the warmest month at Mt Pocono Mountains Airport, PA, averaging 78°F by day and 58°F at night; January is the coldest at 30°F and 15°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 69% of years.

Warmth for growing adds up to 2,069 growing degree days a year (base 50°F), fewer than at 94% of the 176 Pennsylvania stations. 31% of them (649) have built up by the end of June, and July adds the most, 555. Precipitation totals 50.3 inches a year, most in September (5.6") and least in February (2.5"); May to September bring 47% of it.

The nearest other station, Wilkes-Barre International Airport, PA, 13 miles northwest of Gouldsboro and 986 feet lower, has a last frost 13 days earlier (April 23), a first frost 12 days later (October 20), a season 24 days longer.

The first measurable snow (0.1 inch or more) in Gouldsboro usually arrives around November 12, and the last of the season around April 1. Those are the middle dates across the winters of 1991–2020 at Wilkes-Barre International Airport, PA, 13.5 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 35 days after the last snow.

ZIP 18424 is 10 miles from Mt Pocono Mountains Airport, PA, which stands at 1,916 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 9 other ZIP codes share the station; its figures are presented in full for 18466 (Tobyhanna). The 2023 USDA Plant Hardiness Zone Map lists ZIP 18424 in zone 6a, the band where the coldest night of the year averaged -10 to -5°F (-23.3 to -20.6°C) over 1991–2020; a zone describes winter lows, not frost dates.