Average humidity in Surprise (AZ)
On this page you find more information about the monthly relative humidity over the year in Surprise (Arizona), the United States of America.
Surprise'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 Surprise 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 (106°F). During this warm period, the low humidity levels have little impact on how the temperature is perceived.
During the coldest month, December, the maximum average temperature is around 18°C (64°F). This period has moderate humidity. Check out our detailed temperature page for more information.
Surprise Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Surprise - and find the best time to visit.
Surprise 3-Day Forecast
Temperature Rainfall Sunshine Humidity
See the full Surprise climate overview or explore weather in the United States of America.
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Where to go in September - average daytime high across popular destinations.
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