Earliest and Latest Days of 30° C in Kingston

This is a list of the earliest and latest days in the year with a high temperature of at least 30 °C in Kingston, Ontario history. It is based on NOAA data from the years 1872–2024.

Also see:

Earliest 30 degree day in Kingston?

The earliest in the year that Kingston, Ontario had a high temperature of at least 30 °C is April 28 which happened in 1990.

Latest 30 degree day in Kingston?

The latest in the year that Kingston, Ontario had a high temperature of at least 30 °C is September 11 which happened in 1931.

Earliest Days ≥ 30 °C

Date	Year	Temperature
April 28	1990	30.7 °C
May 10	1896	30.0 °C
May 26	2010	31.7 °C
May 30	2018	30.0 °C
May 31	2006	30.0 °C
May 31	1988	30.5 °C
June 1	1895	30.6 °C
June 2	2023	30.5 °C
June 3	1934	30.0 °C
June 4	1955	30.0 °C
June 4	1919	32.8 °C
June 7	1999	30.0 °C
June 9	2005	30.0 °C
June 12	2007	31.0 °C
June 12	1999	30.0 °C
June 14	2005	30.5 °C
June 14	2001	31.5 °C
June 15	2001	31.0 °C
June 15	1876	30.6 °C
June 17	1919	31.1 °C

Latest Days ≥ 30 °C

Date	Year	Temperature
September 11	1931	31.1 °C
September 10	1983	30.0 °C
September 7	2015	30.0 °C
September 7	2007	31.0 °C
September 7	1881	32.8 °C
September 6	1996	30.0 °C
September 6	1881	33.3 °C
September 5	2023	30.0 °C
September 5	1881	30.6 °C
September 4	1999	30.0 °C
September 4	1953	32.2 °C
September 3	2018	30.8 °C
September 2	1880	30.6 °C
August 31	1953	31.1 °C
August 30	1991	31.0 °C
August 30	1973	31.7 °C
August 30	1953	30.6 °C
August 30	1881	30.6 °C
August 29	1973	32.2 °C
August 29	1881	31.7 °C