Sept-Îles Average Temperature by Month

This page shows the average temperature in each month of the year in Sept-Îles, Quebec. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in Sept-Îles?
In Sept-Îles, Quebec, the warmest month is July, with an average daily high temperature of 19.9 °C and an average low of 10.3 °C.
What's the Coldest Month in Sept-Îles?
In Sept-Îles, Quebec, the coolest month is January, with an average daily high temperature of -8.8 °C and an average low of -20.0 °C.
Month Avg. High Avg. Low
January -8.8 °C -20.0 °C
February -7.0 °C -19.0 °C
March -1.7 °C -12.5 °C
April 4.1 °C -4.4 °C
May 11.0 °C 1.0 °C
June 16.8 °C 6.7 °C
July 19.9 °C 10.3 °C
August 19.5 °C 9.7 °C
September 14.9 °C 4.9 °C
October 8.5 °C 0.1 °C
November 1.8 °C -6.2 °C
December -4.8 °C -14.3 °C
Year 6.3 °C -3.5 °C
Weather Station Details
Years Station Coordinates
2003–2024 Sept-Îles location
1944–2002 Sept-Îles A location
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