Frost Dates for Salt Lake City Intl AP, UT

Elevation: 1288 m

Frost Dates

Last Spring Frost (50%) A 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. April 8
First Fall Frost (50%) A 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. October 31

30% Probability

Only a 30% chance of frost remaining by this date. Use these dates for a safer planting window, especially for tender plants sensitive to cold.
Last Spring Frost April 16
First Fall Frost October 25

Hard Freeze (28°F)

Last Spring Hard Freeze March 15
First Fall Hard Freeze November 10
40.78°N, 111.97°W © OpenStreetMap

Growing Season

206 Days April 8 to October 31

USDA Hardiness Zone

Hardiness zones indicate which perennial plants can survive winter in your area. For annual vegetables, frost dates and growing season length matter more than hardiness zone.
Zone 7a

Avg. annual minimum: 0 to 5°F

Learn more

Köppen Climate

The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
BSk Cold Semi-Arid (Steppe)

Cool to cold with low rainfall and wide temperature swings. Common in the western Great Plains and central Asia. Short growing seasons benefit from season extension techniques.

Köppen climate map

Temperature

Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)
Temperature table
Average monthly temperatures (°F)
Month Avg High Avg Temp Avg Low
January39°31°24°
February45°37°29°
March55°46°36°
April62°52°42°
May73°62°50°
June84°72°59°
July94°81°68°
August92°79°67°
September81°69°56°
October66°55°44°
November51°42°33°
December39°32°25°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January2.3
February2.3
March3.5
April4.1
May4.0
June3.1
July1.8
August1.7
September2.9
October3.6
November2.7
December2.5

Sunrise / Sunset

Daylight Mountain Time (MT) Longest: 14h 56m · Shortest: 9h 04m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Mountain Time (MT))
Month Sunrise Sunset Daylight
January7:56 AM5:19 PM9h 23m
February7:29 AM5:55 PM10h 26m
March7:47 AM7:28 PM11h 41m
April6:55 AM8:01 PM13h 06m
May6:16 AM8:32 PM14h 17m
June6:01 AM8:55 PM14h 55m
July6:14 AM8:53 PM14h 39m
August6:43 AM8:21 PM13h 38m
September7:15 AM7:30 PM12h 15m
October7:47 AM6:39 PM10h 53m
November7:23 AM5:03 PM9h 41m
December7:51 AM4:56 PM9h 05m

Nearby Stations

Salt Lake Triad Ctr, UT March 31 - November 8 Bountiful-Val Verda, UT April 24 - October 19 City Creek Wtp, UT May 13 - October 7 Salt Lake City E Bench, UT April 25 - October 18 Bountiful Bench, UT April 25 - October 24 Garfield, UTApril 3 - November 4

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