Salt Lake City, UT Frost Dates
The last spring frost in Salt Lake City usually comes around April 8 and the first fall frost around October 31.
| Spring (last) | Fall (first) | |
|---|---|---|
| Frost, 32°F | April 8 | October 31 |
| Hard freeze, 28°F | March 15 | November 10 |
Growing season: about 204 days.
Frequently asked questions
When is the last frost in Salt Lake City, UT?
The median date of the last spring frost (32°F) is April 8. In half of years the last frost comes earlier and in half it comes later, so waiting a week or two past April 8 lowers the risk for tender plants.
When is the first frost in Salt Lake City?
The median date of the first fall frost (32°F) is October 31, and a hard freeze (28°F) usually follows around November 10.
How long is the growing season in Salt Lake City?
About 204 days between the median last spring frost and first fall frost.
NOAA NCEI U.S. Climate Normals 1991-2020, station USW00024127. Median (50% probability) dates. Low spots and valleys can frost later in spring and earlier in fall than the station.
Salt Lake City weather by month · Frost dates for every city