Average humidity in Boise (ID)

On this page you find more information about the monthly relative humidity over the year in Boise (Idaho), the United States of America.

Boise's humidity levels vary throughout the year. The highest levels occur in January, reaching 75% (high), while the lowest is recorded in July at 36%.

Throughout the year, the average humidity in Boise is 55%.

Humidity plays an important role in how temperatures are felt. During the warmest month, July, the maximum average temperature is around 34°C (93°F). 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 4°C (39°F). This period has high humidity. When winter temperatures are low and humidity is high, it can make the air feel even colder than it actually is. Check out our detailed temperature page for more information.