average temperatures by month in arizona
Average Temperatures and Precipitation. Summer. Summer visitors can expect average high/low temperatures of 86/49 in June, 89/57 in July, 82/49 in August and 82/49 in September. Summer rains, like the rest of Arizona, is highest in July and August, with 2 - 4 inches of rain each month. In July and August, when the dew point rises, Arizona experiences what are called monsoon rains.