Below is the information I use to plan my garden here in Tucson. When it gets to 115F here in mid summer, I also use these tools to help figure out when I can finally breathe a breath of fresh air!

Arizona Average Temperature

(Source: http://www.usclimatedata.com)

Earliest Frost Date

(Source: National Weather Service)

Latest (Spring) Frost Date

(Source: National Weather Service)

These last updated on PW: 7/30/2016

Seasonal Solstices and Equinoxes

(Source: timeanddate.com)

In case you are wondering “when will summer be over??” like I do.