Average humidity in Peoria (IL)
The mean monthly relative humidity over the year in Peoria (Illinois), the United States of America.
- On average, December is the most humid month, at 77.0%.
- On average, April is the least humid month, at 65.0%.
- The average annual percentage of humidity is 70%.
Forecast for Peoria (IL)
overcast and no rain
broken clouds and no rain
broken clouds and small chance of slight rain