Lehi, UT Frost Dates
The last spring frost in Lehi usually comes around April 30 and the first fall frost around October 9.
| Spring (last) | Fall (first) | |
|---|---|---|
| Frost, 32°F | April 30 | October 9 |
| Hard freeze, 28°F | April 15 | October 22 |
Growing season: about 159 days.
Frequently asked questions
When is the last frost in Lehi, UT?
The median date of the last spring frost (32°F) is April 30. In half of years the last frost comes earlier and in half it comes later, so waiting a week or two past April 30 lowers the risk for tender plants.
When is the first frost in Lehi?
The median date of the first fall frost (32°F) is October 9, and a hard freeze (28°F) usually follows around October 22.
How long is the growing season in Lehi?
About 159 days between the median last spring frost and first fall frost.
NOAA NCEI U.S. Climate Normals 1991-2020, station USC00428973. Median (50% probability) dates. Low spots and valleys can frost later in spring and earlier in fall than the station.