Frost dates in Washakie County, Wyoming

Willow Flats wetlands below the snowy Teton Range in Grand Teton National Park, Wyoming — Photo: Michael Gäbler, CC BY 3.0, via Wikimedia Commons

The average last spring frost in Washakie County falls May 4 to May 22 and the average first fall frost Sep 18 to Oct 1, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 4b to 5a. Places: Ten Sleep, Worland. Pick a ZIP for 10% and 90% odds, soil temperature and the 7-day freeze forecast.

ZIP	Place	Last spring frost	First fall frost	Zone
82401	Worland	May 4	Oct 1	4b
82442	Ten Sleep	May 22	Sep 18	5a

Nearby counties

Hot Springs County Big Horn County Johnson County Sheridan County Fremont County Natrona County

All Wyoming counties · Download Wyoming frost dates (CSV)

Never miss a frost: get The Dial

Weekly yard timing, plus frost and soil-temperature alerts for your ZIP code.

Freeze alerts
Soil-temp heads-up
Weekly yard to-dos

Free. One weekly email plus alerts when your ZIP has a frost or a soil-temperature change worth acting on. After you submit, Kit (our email provider) sends a confirmation email: check your email and click the link to confirm. You aren't subscribed until you do. We collect only your email address and ZIP, sent to Kit to deliver The Dial. Unsubscribe anytime.