Arizona, USA
Long-term weather forecast
Long-term weather forecast

July weather forecast and climate
Mesa, AZ

July is the hottest month of the year in Mesa as the average temperatures are in the hot range of 77°F (25°C) to 106°F (41.1°C). The temperatures consistently cross 109.9°F (43.3°C) at the height of the summer. The blistering sun dons the skies routinely in one of the sunniest regions in the United States.
Lightning strikes are common during severe thunderstorms as the region has vast swathes of open lands. Although the rainfall averages only 0.9" (22.9mm) in July, brief periods of moderate to heavy rain results in flash floods in the arid landscape. Expect long hot periods of sunshine during the day and warm nights.
  • Average high temperature in July: 106°F

The warmest month (with the highest average high temperature) is July (106°F).
Months with the lowest average high temperature are January and December (67°F).

  • Average low temperature in July: 77°F

The month with the highest average low temperature is July (77°F).
The coldest month (with the lowest average low temperature) is December (40°F).

  • Average rainfall in July: 0.9"

The wettest month (with the highest rainfall) is March (1.2").
The driest month (with the lowest rainfall) is June (0.1").

  • Average daylight in July: 14.1h

The month with the longest days is June (Average daylight: 14.3h).
The month with shortest days is December (Average daylight: 10h).