Average monthly snow and rainfall in Waltham (MA)
The mean monthly precipitation over the year in Waltham (Massachusetts), including rain, snow, hail.
- A lot of rain (rainy season) falls in the months: February, March, June, October and December.
- On average, December is the wettest month with 129 mm of precipitation.
- On average, September is the driest month with 83 mm of precipitation.
- The average amount of annual precipitation is 1220 mm.
Forecast for Waltham (MA)
overcast and rain
partly cloudy and chance of slight rain
almost clear and no rain