Arizona is one of several regions in the United States of America, with temperatures that range from 18°C (64°F) in December to 41°C (106°F) during the peak of July. We've based our full climate overview on data from Phoenix, the region's most prominent city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
In Arizona, the months of January, February, March and November bring pleasant weather, with average temperatures ranging between 20°C (68°F) and 26°C (79°F).
The hottest season always takes place in June, July and August.
When it comes to rainfall, Arizona maintains fairly consistent rainfall patterns throughout the year, with August seeing 32 mm (1.3 in) and June receiving 1 mm (0.04 in). February, March, April, May, June, July, October and November marks the driest time of year, with rainfall falling below 18 mm (0.7 in).
Visitors hoping to maximize their time in the sun should consider planning their trip for June, when daylight hours are at their peak.
