Free Tool
Frost Dates & Freeze-Risk Lookup
Find the average first and last frost dates for your Wasatch Front city — and the deadline to winterize your sprinklers before a freeze can crack your pipes.
Serving Utah County & Salt Lake County. Pick the closest city if yours is not listed.
South valley
Lehi, American Fork, Pleasant Grove & moreMid elevation — a typical Wasatch Front frost window
First fall frost
Early-to-mid October
Last spring frost
Mid May
Winterize by
October 31
Frost dates are long-term averages and vary year to year with elevation, microclimate, and weather. Watch the forecast as the season turns and schedule your winterization before the first hard freeze — pipes can crack once water in them freezes.