Frost Dates for Clifton, AZ

Elevation: 1073 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. February 26
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. November 23

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 March 6
First Fall Frost November 18

Hard Freeze (28°F)

Last Spring Hard Freeze February 5
First Fall Hard Freeze December 5
33.06°N, 109.31°W © OpenStreetMap

Growing Season

271 Days February 26 to November 23

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 9a

Avg. annual minimum: 20 to 25°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)
Temperature table
Average monthly temperatures (°F)
Month Avg High Avg Temp Avg Low
January61°48°35°
February66°53°39°
March73°59°45°
April81°66°51°
May90°74°59°
June100°85°69°
July100°87°74°
August98°85°72°
September93°79°66°
October83°69°55°
November70°56°42°
December60°47°35°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January6.0
February5.2
March4.8
April0.3
May0.0
June1.8
July6.2
August6.6
September6.3
October8.7
November7.7
December7.5

Sunrise / Sunset

Daylight Mountain Standard Time (MST) Longest: 14h 11m · Shortest: 9h 49m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Mountain Standard Time (MST))
Month Sunrise Sunset Daylight
January7:25 AM5:28 PM10h 03m
February7:07 AM5:56 PM10h 49m
March6:34 AM6:20 PM11h 45m
April5:53 AM6:42 PM12h 50m
May5:22 AM7:05 PM13h 42m
June5:12 AM7:23 PM14h 10m
July5:23 AM7:22 PM13h 59m
August5:45 AM6:58 PM13h 13m
September6:06 AM6:18 PM12h 12m
October6:28 AM5:37 PM11h 09m
November6:55 AM5:10 PM10h 16m
December7:18 AM5:08 PM9h 50m

Nearby Stations

Safford Muni AP, AZ March 8 - November 20 Duncan, AZApril 24 - October 25 Safford Ag Ctr, AZ March 25 - November 9 Glenwood, NMMay 6 - October 18 Black Rvr Pumps, AZ May 16 - October 13 Ft Thomas 2 Sw, AZ April 1 - November 6

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