Average monthly rainy days in Westborough (MA)
The number of days each month with rain, snow and hail in Westborough (Massachusetts), the United States of America.
- On average, May is the most rainy with 14 days of rain/snow.
- On average, September is the driest month with 9 rainy days.
- The average annual number of rainy days is 139.
Weather Forecasts for Westborough (MA)
broken clouds and no rain
partly cloudy and no rain
overcast and chance of slight rain