Frost dates in Union County, New Mexico
The average last spring frost in Union County falls Apr 24 to May 5 and the average first fall frost Oct 7 to Oct 18, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 6a to 6b. Places: Capulin, Clayton, Folsom, Grenville. 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 |
|---|---|---|---|---|
| 88410 | Apr 27 | Oct 17 | 6b | |
| 88415 | Clayton | May 4 | Oct 11 | 6b |
| 88418 | Capulin | May 5 | Oct 9 | 6b |
| 88419 | Folsom | Apr 24 | Oct 18 | 6b |
| 88422 | May 5 | Oct 7 | 6a | |
| 88424 | Grenville | May 5 | Oct 7 | 6b |
| 88436 | Apr 27 | Oct 17 | 6b |
Nearby counties
Harding County Colfax County Quay County Mora County San Miguel County Taos County
All New Mexico counties · Download New Mexico 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.