Kingston Weather Records

Kingston, Ontario weather averages and records from 1872–2024 based on data made available by the NOAA.
All-Time Recorded High
The highest temperature ever recorded in Kingston, Ontario was 35.6 °C which occurred on July 9, 1936.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in Kingston, Ontario was -35.6 °C which occurred on February 17, 1896.
Lowest Temperatures: All-Time By Year
Kingston Weather by Month
Averages based on the years 1991–2020
Month Average (°C) Record (°C) Average (cm)
High ☀️ Low 🌙 High ☀️ Low 🌙 Precipitation 💧
January -2.2 -11.2 15.0 -34.5 7.7
February -1.3 -10.5 14.4 -35.6 5.3
March 3.6 -5.3 24.0 -26.1 6.5
April 10.6 1.1 30.7 -17.2 8.6
May 17.8 7.7 31.7 -6.1 7.3
June 22.6 13.1 34.0 1.1 8.2
July 25.6 16.4 35.6 6.0 6.8
August 24.9 15.6 34.5 3.3 7.4
September 20.8 11.3 33.3 -1.7 8.8
October 13.8 5.2 26.1 -7.5 9.2
November 7.7 -0.1 20.6 -25.6 7.7
December 1.7 -6.0 16.1 -34.4 7.5
Entire year 12.3 3.2 35.6 -35.6 89.5
More Kingston Weather Records
1872–2024
Highest daily low 26.0 °C August 2, 2006
Lowest daily high -25.6 °C February 8, 1934
Greatest daily range
(Difference of high and low)
32.2 °C December 20, 1875
Greatest difference in daily high
over two conscutive days
27.2 °C Feb 14–15, 1888
Most daily precipitation 13.2 cm August 25, 1892
Most monthly precipitation 22.0 cm October 1955
Most yearly precipitation 123.5 cm 1878
Most yearly days with precipitation 216 2019
Earliest freeze September 19 2014
Earliest day ≥ 20 °C March 20 2012
Earliest day ≥ 25 °C April 15 2023
Earliest day ≥ 30 °C April 28 1990
Latest freeze May 27 1915
Latest day ≥ 20 °C November 2 1971
Latest day ≥ 25 °C October 6 2005
Latest day ≥ 30 °C September 11 1931
Most days in a year < 0 °C 165 1904
Most days in a year ≥ 20 °C 134 1921
Most days in a year ≥ 25 °C 82 2005
Most days in a year ≥ 30 °C 19 2005
Most days in a year ≥ 35 °C 1 2005
Kingston Weather Streaks
Most consecutive days...
With precipitation 18 days Jan 27 – Feb 13, 2019
Without precipitation 24 days Feb 25 – Mar 20, 1915
Freezing temperatures
High temperature ≤ 0 °C
47 days Dec 26, 1976 – Feb 10, 1977
High temperature ≥ 20 °C 99 days Jun 18 – Sep 24, 2002
High temperature ≥ 25 °C 33 days Jun 29 – Jul 31, 1921
High temperature ≥ 30 °C 5 days Jul 15–19, 2005
Plant Hardiness Zone
5A
Kingston is in plant hardiness zone 5A
based on average yearly minimum temperature from 1991–2020
Kingston Weather by Year
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Weather Station Details
Years Station Coordinates
2008–2024 Kingston Climate location
1997–2007 Kingston Pumping Station location
1957–1996 Kingston A location
1872–1956 Kingston Queens University location