Frost Dates for Apache Junction, AZ

Based on data from Apache Junction 5 Ne weather station, 5 miles away

Elevation: 1722 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. February 11
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 10

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 21
First Fall Frost December 1

Hard Freeze (28°F)

Last Spring Hard Freeze January 13
First Fall Hard Freeze December 22
33.42°N, 111.55°W © OpenStreetMap

Growing Season

303 Days February 11 to December 10

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.

Temperature

Avg High Avg Temp Avg Low
Temperature table
Average monthly temperatures (°F)
Month Avg High Avg Temp Avg Low
January67°55°43°
February70°57°44°
March77°62°48°
April85°69°53°
May93°77°60°
June103°86°69°
July105°91°77°
August104°90°76°
September99°85°71°
October88°74°60°
November76°63°50°
December66°54°42°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January5.8
February6.0
March6.6
April0.0
May0.0
June0.0
July2.6
August4.2
September2.5
October0.0
November1.9
December5.6

Sunrise / Sunset

Daylight Mountain Standard Time (MST) Longest: 14h 13m · Shortest: 9h 47m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Mountain Standard Time (MST))
Month Sunrise Sunset Daylight
January7:35 AM5:36 PM10h 01m
February7:16 AM6:05 PM10h 48m
March6:43 AM6:28 PM11h 45m
April6:01 AM6:51 PM12h 50m
May5:30 AM7:14 PM13h 44m
June5:20 AM7:32 PM14h 12m
July5:31 AM7:32 PM14h 01m
August5:53 AM7:07 PM13h 15m
September6:15 AM6:26 PM12h 12m
October6:37 AM5:45 PM11h 09m
November7:04 AM5:18 PM10h 14m
December7:28 AM5:15 PM9h 47m

Nearby Stations

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