Average humidity in Sintra

On this page you find more information about the monthly relative humidity over the year in Sintra (Lisbon Region), Portugal.

Sintra's humidity levels vary throughout the year. The highest levels occur in January, reaching 82% (very high), while the lowest is recorded in July at 71%.

Throughout the year, the average humidity in Sintra is 76%.

Humidity plays an important role in how temperatures are felt. During the warmest month, August, the maximum average temperature is around 23°C (73°F). Combined with high humidity during this period, the temperature can feel even warmer than the thermometer shows.

During the coldest month, January, the maximum average temperature is around 15°C (59°F). This period has very high humidity. Check out our detailed temperature page for more information.