Monthly Average Rainy days in Grafton (WI)
The number of days each month with rain, snow and hail in Grafton (Wisconsin), the United States of America.
- On average, April is the most rainy with 13 days of rain/snow.
- On average, February is the driest month with 9 rainy days.
- The average annual number of rainy days is 133.
Current rainfall in Grafton (WI)
overcast and chance of rain
broken clouds and slight rain
broken clouds and no rain