Sept-Îles Weather Records

Sept-Îles, Quebec weather averages and records from 1944–2024 based on data made available by the NOAA.
All-Time Recorded High
The highest temperature ever recorded in Sept-Îles, Quebec was 36.6 °C which occurred on June 18, 2020.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in Sept-Îles, Quebec was -43.3 °C which occurred on January 21, 1950.
Lowest Temperatures: All-Time By Year
Sept-Îles Weather by Month
Averages based on the years 1991–2020
Month Average (°C) Record (°C) Average (cm)
High ☀️ Low 🌙 High ☀️ Low 🌙 Precipitation 💧
January -8.8 -20.0 10.0 -43.3 7.8
February -7.0 -19.0 10.6 -38.3 6.0
March -1.7 -12.5 16.4 -32.8 7.5
April 4.1 -4.4 20.1 -26.4 8.1
May 11.0 1.0 28.3 -11.7 8.1
June 16.8 6.7 36.6 -3.3 8.6
July 19.9 10.3 32.2 1.7 9.5
August 19.5 9.7 31.1 -0.7 8.5
September 14.9 4.9 29.4 -6.5 10.1
October 8.5 0.1 22.7 -13.3 11.9
November 1.8 -6.2 16.9 -28.9 10.5
December -4.8 -14.3 9.5 -36.5 10.0
Entire year 6.3 -3.5 36.6 -43.3 106.1
More Sept-Îles Weather Records
1944–2024
Highest daily low 18.3 °C August 13, 1952
Lowest daily high -27.2 °C January 16, 1974
Greatest daily range
(Difference of high and low)
33.3 °C January 20, 1957
Greatest difference in daily high
over two conscutive days
25.0 °C Jan 13–14, 1988
Most daily precipitation 11.5 cm November 3, 1966
Most monthly precipitation 25.2 cm November 1950
Most yearly precipitation 144.7 cm 1969
Most yearly days with precipitation 228 2023
Earliest freeze August 30 1950
Earliest day ≥ 20 °C April 19 2006
Earliest day ≥ 25 °C May 3 1964
Latest freeze June 27 2010
Latest day ≥ 20 °C October 19 1963
Latest day ≥ 25 °C September 20 1968
Most days in a year < 0 °C 235 2018
Most days in a year ≥ 20 °C 71 1955
Most days in a year ≥ 25 °C 19 1955
Most days in a year ≥ 30 °C 2 1990
Most days in a year ≥ 35 °C 1 2020
Sept-Îles Weather Streaks
Most consecutive days...
With precipitation 21 days Feb 6–26, 2022
Without precipitation 33 days Apr 6 – May 8, 1961
Freezing temperatures
High temperature ≤ 0 °C
95 days Dec 19, 1966 – Mar 23, 1967
High temperature ≥ 20 °C 20 days Jul 23 – Aug 11, 2012
High temperature ≥ 25 °C 4 days Aug 8–11, 1995
Plant Hardiness Zone
4A
Sept-Îles is in plant hardiness zone 4A
based on average yearly minimum temperature from 1991–2020
Sept-Îles Weather by Year
More Sept-Îles Weather
Compare Sept-Îles to:
Weather Station Details
Years Station Coordinates
2003–2024 Sept-Îles location
1944–2002 Sept-Îles A location