Earliest and Latest Days of 25° C in Kingston

This is a list of the earliest and latest days in the year with a high temperature of at least 25 °C in Kingston, Ontario history. It is based on NOAA data from the years 1872–2024.

Also see:

Earliest 25 degree day in Kingston?

The earliest in the year that Kingston, Ontario had a high temperature of at least 25 °C is April 19 which has happened twice, most recently in 2002.

Latest 25 degree day in Kingston?

The latest in the year that Kingston, Ontario had a high temperature of at least 25 °C is October 6 which happened in 2005.

Earliest Days ≥ 25 °C

Date	Year	Temperature
April 19	2002	25.5 °C
April 19	1987	27.2 °C
April 26	1990	25.2 °C
April 27	1990	27.0 °C
April 28	1990	30.7 °C
May 2	1999	25.5 °C
May 2	1887	26.7 °C
May 3	2001	25.0 °C
May 3	1999	26.0 °C
May 5	1999	25.5 °C
May 5	1895	26.1 °C
May 6	1999	26.0 °C
May 6	1895	26.1 °C
May 8	1930	26.7 °C
May 9	2000	25.0 °C
May 9	1979	25.4 °C
May 9	1936	25.6 °C
May 9	1887	27.2 °C
May 9	1880	26.1 °C
May 10	2005	26.0 °C
May 10	1896	30.0 °C
May 10	1889	25.6 °C
May 10	1881	25.0 °C

Latest Days ≥ 25 °C

Date	Year	Temperature
October 6	2005	25.0 °C
October 4	2023	25.3 °C
October 4	1891	25.0 °C
October 3	2023	25.9 °C
October 2	2013	25.1 °C
October 2	1927	25.0 °C
October 1	2019	26.1 °C
October 1	1898	25.0 °C
September 30	1881	26.1 °C
September 29	1946	25.0 °C
September 29	1921	26.1 °C
September 28	1999	25.5 °C
September 28	1891	26.1 °C
September 28	1874	27.8 °C
September 28	1873	25.0 °C
September 27	2017	28.6 °C
September 27	1998	25.0 °C
September 27	1920	25.0 °C
September 27	1908	25.0 °C
September 27	1873	25.6 °C