Average humidity in Sumy
The mean monthly relative humidity over the year in Sumy (Sumy Oblast), Ukraine.
- On average, November is the most humid month, at 86.0%.
- On average, May is the least humid month, at 62.0%.
- The average annual percentage of humidity is 75%.
Forecast for Sumy
partly cloudy and no rain
partly cloudy and thunder
broken clouds and thunder