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The hottest month of the year in Phoenix is July, with an average high of 106°F and low of 85°F. The cool season lasts for 3.2 months, from November 20 to February 26, with an average daily high temperature below 74°F. The coldest month of the year in Phoenix is December, with an average low of 46°F and high of 66°F.
Phoenix Temperatures: Averages by Month. The numbers here tell you how hot and cold the weather usually is in Phoenix, Arizona during each month of the year. The average high and low temperatures are listed below by month and annually for Phoenix, in both degrees Fahrenheit and Celsius.
Hottest Month: July (96 °F avg) Coldest Month: December (56 °F avg) Wettest Month: August (1.00" avg) Windiest Month: April (8 mph avg) Annual precip. 7.31"
Phoenix Climate Graph - Arizona Climate Chart. Phoenix weather averages and climate Phoenix, Arizona. Monthly temperature, precipitation and hours of sunshine. A climate graph showing rainfall, temperatures and normals.
During these months, average high temperatures soar beyond 100°F (37.8°C). Wind speed slightly increases during this season (from 5.9mph (9.5km/h) to 6.4mph (10.3km/h)), but this does little to mitigate the intense heat.
Based on the period 1991-2020. ( January - February - March - April - May - June - July - August - September - October - November - December) January is generally a mild month. The average temperature is of 13.8 °C (57 °F), with a minimum of 7.8 °C (46 °F) and a maximum of 19.8 °C (67.6 °F).
Comments. Phoenix Climate Summary. Located at an elevation of None meters (0 feet) above sea level, Phoenix has a Subtropical desert climate (Classification: BWh). The district’s yearly temperature is 26.8ºC (80.24ºF) and it is 14.16% higher than United States’s averages.
