Gardiner Average Temperature by Month

This page shows the average temperature in each month of the year in Gardiner, Maine. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in Gardiner?
In Gardiner, Maine, the warmest month is July, with an average daily high temperature of 80.0 °F and an average low of 59.2 °F.
What's the Coldest Month in Gardiner?
In Gardiner, Maine, the coolest month is January, with an average daily high temperature of 29.6 °F and an average low of 8.9 °F.
Month Avg. High Avg. Low
January 29.6 °F 8.9 °F
February 32.7 °F 10.0 °F
March 40.9 °F 20.5 °F
April 53.6 °F 32.5 °F
May 65.7 °F 43.7 °F
June 74.3 °F 53.2 °F
July 80.0 °F 59.2 °F
August 79.4 °F 57.6 °F
September 71.8 °F 49.6 °F
October 58.9 °F 38.2 °F
November 46.5 °F 28.6 °F
December 35.8 °F 17.8 °F
Year 55.9 °F 35.2 °F
Weather Station Details
Years Station Coordinates
1886–2024 Gardiner location
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