Frost Dates for Aurora, UT

Based on data from Richfield Radio Ksvc weather station, 14 miles away

Elevation: 5200 ft

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. May 21
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. September 24

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 May 29
First Fall Frost September 20

Hard Freeze (28°F)

Last Spring Hard Freeze May 7
First Fall Hard Freeze October 4
38.92°N, 111.93°W © OpenStreetMap

Growing Season

126 Days May 21 to September 24

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 6a

Avg. annual minimum: −10 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.

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
January41°29°17°
February47°35°22°
March58°42°27°
April64°48°32°
May73°56°39°
June85°66°47°
July90°72°54°
August88°70°52°
September81°62°43°
October68°50°32°
November53°38°23°
December41°29°16°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January1.5
February1.5
March1.6
April1.8
May2.7
June1.7
July1.4
August1.6
September1.8
October2.1
November1.6
December1.5

Sunrise / Sunset

Daylight Mountain Time (MT) Longest: 14h 43m · Shortest: 9h 17m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Mountain Time (MT))
Month Sunrise Sunset Daylight
January7:51 AM5:25 PM9h 34m
February7:27 AM5:59 PM10h 33m
March7:47 AM7:29 PM11h 42m
April6:58 AM7:59 PM13h 01m
May6:21 AM8:28 PM14h 07m
June6:08 AM8:49 PM14h 42m
July6:20 AM8:48 PM14h 28m
August6:47 AM8:18 PM13h 31m
September7:16 AM7:30 PM12h 14m
October7:45 AM6:42 PM10h 58m
November7:18 AM5:09 PM9h 50m
December7:45 AM5:03 PM9h 18m

Nearby Stations

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