Frost dates for Salt Lake City, Utah
In a typical year, Salt Lake City’s last spring frost lands around Mar 31 and the first fall frost around Nov 8, a growing season of about 222 days. These are odds drawn from 30-year NOAA climate normals, not a promise. USDA zone 7b.
Right now the growing season is open, with about 14 days until the typical first fall frost.
| Odds | Last spring frost | First fall frost |
|---|---|---|
| 10 percent | Mar 7 | Oct 23 |
| 50 percent | Mar 31 | Nov 8 |
| 90 percent | Apr 19 | Nov 25 |
A 10 percent year is an early year, a 90 percent year a late one. Frost-sensitive planting usually waits for the 90 percent side of the last-frost band.
Soil in Salt Lake City is typically around 54°F at 4 inches this time of year, estimated from the last two weeks of normal air temperatures.
Plantable now in Salt Lake City
- Garlic (Music)
Timing comes from the same temperature engine the app uses, run against Salt Lake City’s normals for today.
Common questions
When is the last frost in Salt Lake City, Utah?
Salt Lake City’s last spring frost falls around March 31 in a typical year. One year in ten it is done by March 7, and one year in ten frost holds on until April 19. Frost-sensitive planting usually waits for the late side of that band.
When is the first fall frost in Salt Lake City?
The first fall frost arrives around November 8 in a typical year, as early as October 23 in an early year and as late as November 25 in a late one.
How long is the growing season in Salt Lake City?
About 222 days, counted between the typical last spring frost and the typical first fall frost.
What USDA zone is Salt Lake City in?
Salt Lake City is in USDA hardiness zone 7b under the 2023 USDA Plant Hardiness Zone Map.
Dates come from 30-year NOAA climate normals for the nearest reporting station. They describe odds, not a forecast.
Nearby cities
- West Valley City, UT (around Apr 8 to Oct 31)
- West Jordan, UT (around Apr 18 to Oct 22)
- Provo, UT (around Apr 18 to Oct 21)
- Evanston, WY (around Jun 12 to Sep 12)
- Logan, UT (around Apr 30 to Oct 16)
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