Last frost date in West Valley City, Utah

April 8

Average last frost in spring. In an early year (1 in 10) it's over by March 17; in a late year (1 in 10) it comes after April 30.

October 31

Average first frost in fall. 1 year in 10 it comes by October 17.

Source: NOAA U.S. Climate Normals 1991–2020, station Salt Lake City International AP (USW00024127), 6.6 miles from West Valley City, elevation 4,225 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.

This station is also the nearest one for Kearns metro, so its frost dates are the same as West Valley City's.

What to plant now

Frost dates for West Valley City, Utah
Early yearAverageLate year
Last frost in springMar 17Apr 8Apr 30
First frost in fallOct 17Oct 31Nov 13

Frost-free days in an average year: 204

Light frost, frost and hard freeze in West Valley City
Chance in a yearAverage last in springAverage first in fall
Light frost (36°F)Every yearApr 27Oct 19
Frost (32°F)Every yearApr 8Oct 31
Hard freeze (28°F)Every yearMar 15Nov 10

Nights at 32°F or colder in an average year: 112

What to plant now in West Valley City

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

All 67 places in Utah