Manchester Average Temperature by Month

This page shows the average temperature in each month of the year in Manchester, New Hampshire. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in Manchester?
In Manchester, New Hampshire, the warmest month is July, with an average daily high temperature of 83.5 °F and an average low of 61.8 °F.
What's the Coldest Month in Manchester?
In Manchester, New Hampshire, the coolest month is January, with an average daily high temperature of 33.6 °F and an average low of 14.9 °F.
Month Avg. High Avg. Low
January 33.6 °F 14.9 °F
February 36.7 °F 16.9 °F
March 44.7 °F 25.1 °F
April 57.9 °F 36.1 °F
May 69.6 °F 46.7 °F
June 78.5 °F 56.3 °F
July 83.5 °F 61.8 °F
August 82.0 °F 60.2 °F
September 74.3 °F 53.1 °F
October 61.7 °F 40.3 °F
November 50.0 °F 31.0 °F
December 39.3 °F 21.7 °F
Year 59.4 °F 39.2 °F
Weather Station Details
Years Station Coordinates
1999–2024 Manchester Airport location
1972–1998 Massabesic Lake location
1885–1971 Manchester location
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