Earliest and Latest Days of 20° C in Fort Smith

This is a list of the earliest and latest days in the year with a high temperature of at least 20 °C in Fort Smith, Northwest Territories history. It is based on NOAA data from the years 1942–2024.

Also see:

Earliest 20 degree day in Fort Smith?

The earliest in the year that Fort Smith, Northwest Territories had a high temperature of at least 20 °C is April 15 which happened in 1984.

Latest 20 degree day in Fort Smith?

The latest in the year that Fort Smith, Northwest Territories had a high temperature of at least 20 °C is October 16 which happened in 1963.

Earliest Days ≥ 20 °C

Date	Year	Temperature
April 15	1984	21.4 °C
April 16	2010	22.9 °C
April 16	1984	20.2 °C
April 19	2010	21.6 °C
April 19	1980	21.3 °C
April 20	2010	20.5 °C
April 21	2010	24.0 °C
April 21	1984	20.8 °C
April 22	2005	20.0 °C
April 22	1999	20.3 °C
April 23	1980	23.9 °C
April 23	1944	21.1 °C
April 24	2006	20.2 °C
April 24	1980	20.8 °C
April 24	1977	25.6 °C
April 24	1944	21.1 °C
April 25	2006	20.4 °C
April 25	1999	22.2 °C
April 25	1977	24.9 °C
April 26	1980	25.6 °C
April 26	1975	20.0 °C
April 26	1944	20.6 °C

Latest Days ≥ 20 °C

Date	Year	Temperature
October 16	1963	20.0 °C
October 15	1945	21.1 °C
October 14	1945	20.6 °C
October 11	1944	20.6 °C
October 9	1964	20.0 °C
October 9	1943	21.7 °C
October 8	1951	23.9 °C
October 7	1988	21.0 °C
October 7	1943	22.2 °C
October 6	1988	21.1 °C
October 6	1943	22.2 °C
October 5	2003	23.2 °C
October 5	1988	22.0 °C
October 4	2003	24.4 °C
October 3	2003	24.6 °C
October 3	1943	20.6 °C
October 2	2022	21.9 °C
October 2	2008	21.7 °C
October 2	1987	24.9 °C
October 2	1943	21.7 °C