Frost Dates for Black Canyon City, AZ

Based on data from Castle Hot Springs weather station, 14 miles away

Elevation: 1975 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. January 15
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. December 22

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 February 2
First Fall Frost December 12

Hard Freeze (28°F)

Last Spring Hard Freeze January 9
First Fall Hard Freeze January 6
34.07°N, 112.15°W © OpenStreetMap

Growing Season

342 Days January 15 to December 22

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 9b

Avg. annual minimum: 25 to 30°F

Learn more

Köppen Climate

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

Hot with low but not negligible rainfall. Less extreme than true desert. Dryland farming techniques and drought-tolerant varieties work well. Mulching and water conservation are key.

Köppen climate map

Temperature

Avg High Avg Temp Avg Low
Temperature table
Average monthly temperatures (°F)
Month Avg High Avg Temp Avg Low
January70°56°43°
February71°58°45°
March77°63°49°
April84°69°54°
May93°77°62°
June102°86°70°
July105°91°77°
August104°91°77°
September99°85°71°
October89°75°60°
November78°64°50°
December68°55°43°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January0.0
February9.2
March5.5
April0.0
May0.0
June0.0
July2.7
August8.1
September1.5
October0.0
November0.0
December0.0

Sunrise / Sunset

Daylight Mountain Standard Time (MST) Longest: 14h 16m · Shortest: 9h 44m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Mountain Standard Time (MST))
Month Sunrise Sunset Daylight
January7:40 AM5:38 PM9h 58m
February7:21 AM6:07 PM10h 47m
March6:47 AM6:31 PM11h 45m
April6:04 AM6:55 PM12h 51m
May5:33 AM7:19 PM13h 46m
June5:22 AM7:37 PM14h 15m
July5:33 AM7:37 PM14h 03m
August5:56 AM7:12 PM13h 16m
September6:18 AM6:30 PM12h 12m
October6:41 AM5:48 PM11h 08m
November7:09 AM5:20 PM10h 12m
December7:33 AM5:18 PM9h 45m

Nearby Stations

Wittmann 1se, AZ February 5 - December 11 Wickenburg, AZ March 7 - November 20 Cordes, AZApril 5 - November 17 Phoenix Deer Valley Muni AP, AZ January 8 - December 25 Youngtown, AZ January 20 - December 15 Carefree, AZ February 4 - December 16

Plan Your Garden with Planter

Now that you know your frost dates, use Planter to plan your veggie garden! Planter is an easy drag-and-drop garden planner with personalized planting schedules.

Try Planter For Free

Available everywhere: iOS, Android, web, and more!

Planter app garden planner preview