Weather & Climate at Naval Station Portsmouth in Portsmouth, ME

Summary of the weather and climate in Portsmouth, ME:

  • The average high in Portsmouth, ME is 58.7°F and average low is 37.1°F
  • The hottest month is July with an high of 82°F
  • The coldest month is January with an low of 14.8°F
  • Annual rainfall is 50.89 inches. The rainiest month is March with an average of 4.99 inches.
  • Annual snowfall is 59.9 inches. The snowiest month is January with an average of 18.1 inches.

SOURCE: NOAA.GOV

Climate Table — Naval Station Portsmouth

Monthly Averages:

High (°F)Low (°F)Rainfall (inches)Snowfall (inches)
January 33.9 14.8 3.61 18.1
February 37.6 17.6 3.55 12.9
March 45.4 25 4.99 11.4
April 57 34.2 4.7 2.7
May 67.6 43.4 4.24 0
June 76.9 53.1 4.34 0
July 82 58.5 4.1 0
August 80.6 57.2 3.49 0
September 72.8 49.9 4.05 0
October 61.3 38.7 4.57 0
November 50.1 31 4.86 1.8
December 39.1 21.3 4.39 13

Climate Charts — Naval Station Portsmouth

Weather through the year:



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** Document Provided By MilBases.com **
Source: https://www.milbases.com/maine/naval-station-portsmouth/weather