When is the last frost in Woodruff, UT?

Frost is possible in any month at the nearest NOAA station (Woodruff, UT), so there is no reliable average last frost date.

When is the first frost in Woodruff, UT?

Frost is possible in any month at the nearest NOAA station.

Are these frost dates a forecast?

No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.

Frost dates for 84086Woodruff, UT

Frost is possible in any month near Woodruff, based on NOAA 1991-2020 records for the Woodruff, UT station.

Frost is possible in any month. Even summer nights can drop to freezing at this station, so protect tender plants whenever cold nights are forecast.

Frost risk by date

NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.

Spring dates: chance of a frost AFTER the date. Fall dates: chance of a frost BEFORE the date.
Temperature	Last spring: 90% / 50% / 10% chance	First fall: 10% / 50% / 90% chance	Growing season (50%)	Years with at least one
Light frost (36°F)	—	—	31 days	100%
Frost / freeze (32°F)	—	—	59 days	100%
Hard freeze (28°F)	May 19 · Jun 5 · Jun 22	Aug 22 · Sep 6 · Sep 20	91 days	100%

Where these dates come from

ZIP code 84086 is matched to the NOAA station Woodruff, UT, 5.1 km away, at 6,315 ft elevation (161 ft lower than the ZIP code's center). Nearby stations for comparison:

Station	Elevation	Avg last frost	Avg first frost
Woodruff, UT (used)	6,315 ft	—	—
Randolph, UT	6,290 ft	Jun 14	Sep 1
Evanston Burns Fld, WY	7,163 ft	Jun 3	Sep 25
Evanston 1 E, WY	6,825 ft	Jun 12	Sep 12

Frost dates near Woodruff

Randolph, UT 84064 · last Jun 14, first Sep 1
Evanston, WY 82930 · last Jun 12, first Sep 12
Laketown, UT 84038 · last Jun 14, first Sep 1
Garden City, UT 84028 · last May 15, first Oct 4
Huntsville, UT 84317 · last May 22, first Sep 26
Paradise, UT 84328 · last Apr 30, first Oct 16
Croydon, UT 84018 · last May 30, first Sep 18
Millville, UT 84326 · last May 12, first Sep 28

Frequently asked questions

When is the last frost in Woodruff, UT?: Frost is possible in any month at the nearest NOAA station (Woodruff, UT), so there is no reliable average last frost date.
When is the first frost in Woodruff, UT?: Frost is possible in any month at the nearest NOAA station.
Are these frost dates a forecast?: No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.