Earliest and Latest Days of 20° C in Port Alberni

This is a list of the earliest and latest days in the year with a high temperature of at least 20 °C in Port Alberni, British Columbia history. It is based on NOAA data from the years 1917–2024.

Also see:

Earliest 20 degree day in Port Alberni?

The earliest in the year that Port Alberni, British Columbia had a high temperature of at least 20 °C is March 10 which has happened twice, most recently in 1965.

Latest 20 degree day in Port Alberni?

The latest in the year that Port Alberni, British Columbia had a high temperature of at least 20 °C is November 19 which happened in 1936.

Earliest Days ≥ 20 °C

Date	Year	Temperature
March 10	1965	21.1 °C
March 10	1934	23.3 °C
March 11	1965	21.7 °C
March 11	1934	20.0 °C
March 15	1947	21.7 °C
March 16	2024	20.7 °C
March 16	1947	21.1 °C
March 17	2024	20.9 °C
March 18	2019	21.4 °C
March 19	2019	20.8 °C
March 20	2019	24.0 °C
March 21	1940	20.6 °C
March 21	1939	20.0 °C
March 22	1979	20.6 °C
March 22	1939	20.6 °C
March 23	1979	21.7 °C
March 25	1992	20.0 °C
March 26	1994	21.5 °C
March 26	1969	20.6 °C
March 26	1941	20.0 °C
March 26	1923	21.7 °C

Latest Days ≥ 20 °C

Date	Year	Temperature
November 19	1936	20.0 °C
November 3	1954	20.6 °C
November 2	1954	20.6 °C
November 1	1954	20.0 °C
October 29	1949	20.0 °C
October 21	1965	21.1 °C
October 21	1937	21.7 °C
October 20	2022	21.9 °C
October 20	1987	20.5 °C
October 19	2023	20.7 °C
October 19	2022	21.5 °C
October 19	1987	20.2 °C
October 19	1936	20.0 °C
October 19	1918	20.6 °C
October 18	2022	22.8 °C
October 17	2022	20.2 °C
October 17	2002	22.7 °C
October 17	1938	20.0 °C
October 17	1936	22.8 °C
October 16	2022	26.3 °C
October 16	2002	24.2 °C
October 16	1936	22.2 °C