Saint-Hyacinthe Average Temperature by Month

This page shows the average temperature in each month of the year in Saint-Hyacinthe, Quebec. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in Saint-Hyacinthe?
In Saint-Hyacinthe, Quebec, the warmest month is July, with an average daily high temperature of 26.2 °C and an average low of 15.3 °C.
What's the Coldest Month in Saint-Hyacinthe?
In Saint-Hyacinthe, Quebec, the coolest month is January, with an average daily high temperature of -5.4 °C and an average low of -14.7 °C.
Month Avg. High Avg. Low
January -5.4 °C -14.7 °C
February -3.8 °C -13.6 °C
March 2.2 °C -7.1 °C
April 11.0 °C 0.8 °C
May 19.6 °C 7.7 °C
June 24.3 °C 13.2 °C
July 26.2 °C 15.3 °C
August 25.4 °C 14.3 °C
September 21.1 °C 9.9 °C
October 13.2 °C 4.1 °C
November 5.8 °C -1.8 °C
December -0.9 °C -8.7 °C
Year 11.6 °C 1.6 °C
Weather Station Details
Years Station Coordinates
1964–2024 Saint-Hyacinthe 2 location
1890–1963 Saint-Hyacinthe location
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