Average humidity in Santiago do Cacém

On this page you find more information about the monthly relative humidity over the year in Santiago do Cacém (the Alentejo), Portugal.

Santiago do Cacém's humidity levels vary throughout the year. The highest levels occur in January, reaching 81% (very high), while the lowest is recorded in July at 50%.

Throughout the year, the average humidity in Santiago do Cacém is 67%.

Humidity plays an important role in how temperatures are felt. During the warmest month, August, the maximum average temperature is around 28°C (82°F). During this warm period, the moderate humidity levels have little impact on how the temperature is perceived.

During the coldest month, January, the maximum average temperature is around 16°C (61°F). This period has very high humidity. Check out our detailed temperature page for more information.