Average humidity in Birrí
The mean monthly relative humidity over the year in Birrí (Alajuela), Costa Rica.
- On average, October is the most humid month, at 87.0%.
- On average, March is the least humid month, at 66.0%.
- The average annual percentage of humidity is 77%.
Forecast for Birrí
overcast and heavy rain
overcast and heavy rain
overcast and thunder