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December Rainfall Precipitation in Massachusetts

Massachusetts is a region in the United States of America. In December precipitation ranges from high in Amherst with 110 mm of snow/rainfall to high in Sandwich with 142 mm of snow/rainfall. December is a winter month in Massachusetts. It is the wettest month of the year.

Where and how much does it snow/rain in Massachusetts in December?

Find the average total precipitation in December for the most popular destinations in Massachusetts on the map below. Click on a destination dot for more detailed information.

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Legend heavy rainfall high moderate low almost none
Heavy rainfall has been defined as more than 160 mm precipitation. High: 90 mm to 160 mm. Moderate: 30 mm to 90 mm. Low: 5 mm to 30 mm.

  • How much snow/rainfall does Massachusetts receive in December?
  • In December, Boston typically experiences high snow/rainfall, averaging about 132 mm. This translates to a mix of wet and dry days throughout the month. Boston experiences its highest snow/rainfall in this month of the year. Come prepared by bringing an umbrella.

  • What is the wettest city in December in Massachusetts?
  • Based on our records, Sandwich is the location with the highest average precipitation, receiving about 142 mm.

  • What is the driest city in December in Massachusetts?
  • Based on our records, Amherst registers the lowest average precipitation, with only 110 mm.

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