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Home / United States  /  Massachusetts / No Metro Area / Nantucket County / Nantucket / Zip Codes


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Nantucket, Massachusetts, gets 41 inches of rain per year. The US average is 39. Snowfall is 23 inches. The average US city gets 26 inches of snow per year. The number of days with any measurable precipitation is 81.

On average, there are 201 sunny days per year in Nantucket, Massachusetts. The July high is around 75 degrees. The January low is 25. Sperling's comfort index for Nantucket is a 47 out of 100, where a higher score indicates a more comfortable year-around 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.

  CLIMATENantucket, MassachusettsUnited States
  Rainfall (in.)  40.675639.2
  Snowfall (in.)  23.112425.8
  Precipitation Days  80.6102
  Sunny Days  201205
  Avg. July High  75.198786.1
  Avg. Jan. Low  25.07422.6
  Comfort Index (higher=better)  4754
  UV Index  3.74.3
  Elevation ft.  271,443

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