Frost dates in Johnson County, Wyoming
The average last spring frost in Johnson County falls May 18 to May 24 and the average first fall frost Sep 21 to Sep 25, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5a. Places: Buffalo, Kaycee. 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 |
|---|---|---|---|---|
| 82639 | Kaycee | May 18 | Sep 25 | 5a |
| 82640 | May 22 | Sep 22 | 5a | |
| 82834 | Buffalo | May 24 | Sep 21 | 5a |
Nearby counties
Natrona County Campbell County Washakie County Sheridan County Hot Springs County Converse County
All Wyoming counties · Download Wyoming frost dates (CSV)
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