Chatham, Massachusetts 

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Climate in Chatham, Massachusetts

Chatham, Massachusetts gets 46 inches of rain, on average, per year. The US average is 39 inches of rain per year.

Chatham averages 27 inches of snow per year. The US average is 26 inches of snow per year.

On average, there are 201 sunny days per year in Chatham. The US average is 205 sunny days.

Summer High: the July high is around 76 degrees
Winter Low: the January low is 25

Sperling's Comfort Index for Chatham is a 46 out of 100
A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 54. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.


YOU SHOULD KNOW

Chatham gets some kind of precipitation, on average, 81 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

CLIMATE

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  CLIMATEChatham, MassachusettsUnited States
  Rainfall (in.)45.739.2
  Snowfall (in.)26.925.8
  Precipitation Days80.6102.0
  Sunny Days201205
  Avg. July High76.386.1
  Avg. Jan. Low24.622.6
  Comfort Index (higher=better)4654
  UV Index3.44.3
  Elevation ft.541443
CLIMATE MAP
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