Last frost date in Lehi, Utah
April 30
Average last frost in spring. In an early year (1 in 10) it's over by April 14; in a late year (1 in 10) it comes after May 27.
October 9
Average first frost in fall. 1 year in 10 it comes by September 26.
Source: NOAA U.S. Climate Normals 1991–2020, station Utah Lake Lehi (USC00428973), 4.2 miles from Lehi, elevation 4,505 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Saratoga Springs, so its frost dates are the same as Lehi's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 14 | Apr 30 | May 27 |
| First frost in fall | Sept 26 | Oct 9 | Oct 25 |
Frost-free days in an average year: 159
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 20 | Sept 28 |
| Frost (32°F) | Every year | Apr 30 | Oct 9 |
| Hard freeze (28°F) | Every year | Apr 15 | Oct 22 |
Nights at 32°F or colder in an average year: 149
What to plant now in Lehi
- Spring planting calendar for an average last frost around April 30 Lehi: April 30
- Fall planting calendar for an average first frost around October 10 Lehi: October 9
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 4 mi · last frost May 3
- American Fork 5 mi · last frost Apr 17
- Eagle Mountain 10 mi · last frost June 2
- Sandy 11 mi · last frost Apr 29
- Orem 12 mi · last frost Apr 19
Updated