Last frost date in Fort Morgan, Colorado
May 6
Average last frost in spring. In an early year (1 in 10) it's over by April 23; in a late year (1 in 10) it comes after May 19.
October 6
Average first frost in fall. 1 year in 10 it comes by September 24.
Source: NOAA U.S. Climate Normals 1991–2020, station Ft Morgan (USC00053038), 4.3 miles from Fort Morgan, elevation 4,376 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 23 | May 6 | May 19 |
| First frost in fall | Sept 24 | Oct 6 | Oct 18 |
Frost-free days in an average year: 153
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 15 | Sept 28 |
| Frost (32°F) | Every year | May 6 | Oct 6 |
| Hard freeze (28°F) | Every year | Apr 27 | Oct 15 |
Nights at 32°F or colder in an average year: 170
What to plant now in Fort Morgan
- Spring planting calendar for an average last frost around May 10 Fort Morgan: May 6
- Fall planting calendar for an average first frost around October 10 Fort Morgan: October 6
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5. How we match the table.
Nearby in Colorado
- Sterling 40 mi · last frost Apr 30
- Greeley 53 mi · last frost May 2
- Commerce City 59 mi · last frost May 3
- Windsor 61 mi · last frost May 3
- Aurora 62 mi · last frost May 7
Updated