Average humidity in San Antonio

On this page you find more information about the monthly relative humidity over the year in San Antonio (Heredia), Costa Rica.

San Antonio's humidity levels vary throughout the year. The highest levels occur in October, reaching 87% (very high), while the lowest is recorded in March at 66%.

Throughout the year, the average humidity in San Antonio is 77%.

Humidity plays an important role in how temperatures are felt. During the warmest month, April, the maximum average temperature is around 27°C (81°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 25°C (77°F). This period has high humidity. Check out our detailed temperature page for more information.