Last frost date in American Fork, Utah
April 17
Average last frost in spring. In an early year (1 in 10) it's over by March 30; in a late year (1 in 10) it comes after May 7.
October 25
Average first frost in fall. 1 year in 10 it comes by October 10.
Source: NOAA U.S. Climate Normals 1991–2020, station Pleasant Grove (USC00426919), 3.3 miles from American Fork, elevation 4,692 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Lindon and Pleasant Grove, so their frost dates are the same as American Fork's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Mar 30 | Apr 17 | May 7 |
| First frost in fall | Oct 10 | Oct 25 | Nov 8 |
Frost-free days in an average year: 188
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 3 | Oct 13 |
| Frost (32°F) | Every year | Apr 17 | Oct 25 |
| Hard freeze (28°F) | Every year | Mar 30 | Nov 5 |
Nights at 32°F or colder in an average year: 123
What to plant now in American Fork
- Spring planting calendar for an average last frost around April 20 American Fork: April 17
- Fall planting calendar for an average first frost around October 20 American Fork: October 25
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 Utah
- Highland 3 mi · last frost May 3
- Lehi 5 mi · last frost Apr 30
- Orem 7 mi · last frost Apr 19
- Provo 12 mi · last frost Apr 18
- Eagle Mountain 12 mi · last frost June 2
Updated