Frost Dates for Florence, AZ

Elevation: 427 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. January 30
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 12

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 10
First Fall Frost December 4

Hard Freeze (28°F)

Last Spring Hard Freeze January 8
First Fall Hard Freeze December 26
33.04°N, 111.39°W © OpenStreetMap

Growing Season

317 Days January 30 to December 12

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.
BWh Hot Desert

Very hot and extremely dry with minimal rainfall. Irrigation is essential for any gardening. Heat-tolerant crops and desert-adapted plants thrive; shade structures help in peak summer.

Köppen climate map

Temperature

Avg High Avg Temp Avg Low
Temperature table
Average monthly temperatures (°F)
Month Avg High Avg Temp Avg Low
January68°55°42°
February71°57°44°
March79°64°49°
April86°70°53°
May94°78°61°
June103°87°70°
July105°92°78°
August103°90°78°
September99°86°72°
October89°74°60°
November77°63°48°
December67°54°41°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January6.3
February6.9
March2.1
April0.0
May0.0
June0.0
July0.5
August7.3
September0.0
October0.0
November0.0
December2.1

Sunrise / Sunset

Daylight Longest: 14h 11m · Shortest: 9h 49m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January6:59 AM5:01 PM10h 03m
February6:35 AM5:25 PM10h 49m
March6:07 AM5:53 PM11h 45m
April5:35 AM6:25 PM12h 50m
May5:09 AM6:51 PM13h 42m
June4:55 AM7:05 PM14h 10m
July5:01 AM6:59 PM13h 59m
August5:23 AM6:37 PM13h 13m
September5:54 AM6:06 PM12h 12m
October6:25 AM5:35 PM11h 09m
November6:52 AM5:08 PM10h 16m
December7:05 AM4:55 PM9h 50m

Nearby Stations

Casa Grande Nm, AZ February 17 - November 29 Eloy 4 Ne, AZ February 24 - November 28 Chandler Heights, AZ February 1 - December 11 Robson Rch, AZ February 7 - December 3 Casa Grande, AZ February 5 - December 6 Superior, AZ January 18 - December 28

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