When is the last frost in Ibapah, UT?

For ZIP code 84034, the average last spring frost (32°F) is June 14, based on NOAA 1991-2020 climate normals for the Ibapah, UT weather station. There is a 1-in-10 chance of a frost after July 1.

When is the first frost in Ibapah, UT?

The average first fall frost (32°F) is September 8. There is a 1-in-10 chance of frost by August 23, so tender plants are at risk from that point on.

How long is the growing season in 84034?

In half of years, the frost-free season (between the last and first 32°F frost) is at least 86 days long.

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 84034Ibapah, UT

The average last spring frost in Ibapah is June 14 and the average first fall frost is September 8, giving a typical growing season of about 86 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost: Jun 14
Average first fall frost: Sep 8
Growing season: 86 days

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)	—	—	61 days	100%
Frost / freeze (32°F)	May 23 · Jun 14 · Jul 1	Aug 23 · Sep 8 · Sep 22	86 days	100%
Hard freeze (28°F)	May 7 · May 25 · Jun 18	Sep 3 · Sep 19 · Oct 2	114 days	100%

Where these dates come from

ZIP code 84034 is matched to the NOAA station Ibapah, UT, 0.3 km away, at 5,279 ft elevation (7 ft lower than the ZIP code's center). Nearby stations for comparison:

Station	Elevation	Avg last frost	Avg first frost
Ibapah, UT (used)	5,279 ft	Jun 14	Sep 8
Callao, UT	4,342 ft	May 14	Sep 28
Partoun, UT	4,780 ft	May 13	Sep 29
Lages, NV	5,960 ft	Jun 1	Sep 21

Frost dates near Ibapah

Wendover, UT 84083 · last Apr 18, first Oct 23
West Wendover, NV 89883 · last Apr 18, first Oct 23
Mc Gill, NV 89318 · last May 28, first Sep 24
Ely, NV 89315 · last Jun 12, first Sep 13
Dugway, UT 84022 · last May 11, first Oct 2
Ruby Valley, NV 89833 · last May 27, first Sep 23
Ruth, NV 89319 · last —, first —

Frequently asked questions

When is the last frost in Ibapah, UT?: For ZIP code 84034, the average last spring frost (32°F) is June 14, based on NOAA 1991-2020 climate normals for the Ibapah, UT weather station. There is a 1-in-10 chance of a frost after July 1.
When is the first frost in Ibapah, UT?: The average first fall frost (32°F) is September 8. There is a 1-in-10 chance of frost by August 23, so tender plants are at risk from that point on.
How long is the growing season in 84034?: In half of years, the frost-free season (between the last and first 32°F frost) is at least 86 days long.
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.