Average humidity in Forsyth (IL)
The mean monthly relative humidity over the year in Forsyth (Illinois), the United States of America.
- On average, December is the most humid month, at 78.0%.
- On average, May is the least humid month, at 65.0%.
- The average annual percentage of humidity is 71%.
Forecast for Forsyth (IL)
overcast and rain
almost clear and no rain
clear and no rain