Average humidity in Phoenix (AZ)
On this page you find more information about the monthly relative humidity over the year in Phoenix (Arizona), the United States of America.
Phoenix's humidity levels vary throughout the year. The highest levels occur in December, reaching 51% (moderate), while the lowest is recorded in June at 19%.
Throughout the year, the average humidity in Phoenix is 36%.
Humidity plays an important role in how temperatures are felt. During the warmest month, July, the maximum average temperature is around 41°C. During this warm period, the low humidity levels have little impact on how the temperature is perceived.
During the coldest month, January, the maximum average temperature is around 20°C. This period has moderate humidity. Check out our detailed temperature page for more information.