Wareham Average Temperature by Month

This page shows the average temperature in each month of the year in Wareham, Massachusetts. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in Wareham?
In Wareham, Massachusetts, the warmest month is July, with an average daily high temperature of 80.6 °F and an average low of 64.4 °F.
What's the Coldest Month in Wareham?
In Wareham, Massachusetts, the coolest month is January, with an average daily high temperature of 38.0 °F and an average low of 21.9 °F.
Month Avg. High Avg. Low
January 38.0 °F 21.9 °F
February 39.4 °F 22.5 °F
March 45.8 °F 28.9 °F
April 55.1 °F 37.7 °F
May 65.3 °F 48.1 °F
June 74.2 °F 57.7 °F
July 80.6 °F 64.4 °F
August 79.5 °F 62.8 °F
September 72.6 °F 55.0 °F
October 62.5 °F 44.6 °F
November 52.9 °F 35.5 °F
December 43.9 °F 27.7 °F
Year 59.2 °F 42.3 °F
Weather Station Details
Years Station Coordinates
1912–2024 East Wareham location
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