# Frost dates for Centennial, CO (80112)

**Do this (Safe, 2026-11-02):** Frost season started Sep 25. Keep covers ready for cold nights.

| Risk | Last spring frost | First fall frost | Frost-free days |
|---|---|---|---|
| Safe (1 in 10 years later) | May 17 | Sep 25 | 131 |
| Median | May 5 | Oct 8 | 156 |
| Bold (9 in 10 years later) | Apr 24 | Oct 20 | 179 |

Frost = 32°F. Station: Denver Centennial AP, CO, 2 mi away.

## Next nights (NWS overnight low)

- 2026-11-01: 45°F — Go (tonight)
- 2026-11-02: 41°F — Go
- 2026-11-03: 35°F — Cover
- 2026-11-04: 36°F — Cover
- 2026-11-05: 34°F — Cover
- 2026-11-06: 35°F — Cover
- 2026-11-07: 33°F — Cover

Go above 40°F · Wait 37–40°F · Cover 36°F or less · Freeze 28°F or less.

Source: Frost dates: NOAA NCEI U.S. Climate Normals 1991–2020, station Denver Centennial AP, CO (2 mi, 89 ft higher than you). Not endorsed by NOAA. Nights: National Weather Service.

Page: https://frostdatecalculator.com/p/co/centennial · JSON: https://frostdatecalculator.com/p/co/centennial?format=json