Earliest and Latest Days at or Below 0° C in Sioux Lookout

This is a list of the earliest and latest days in a winter season where the low temperature fell to at least 0 °C in Sioux Lookout, Ontario history. It is based on NOAA data from the years 1914–2024.

Earliest freezing temperature in Sioux Lookout?

The earliest in a winter season that Sioux Lookout, Ontario has recorded a low temperature of 0 °C or below is August 23 which happened in 1940.

Latest freezing temperature in Sioux Lookout?

The latest in a winter season that Sioux Lookout, Ontario has recorded a low temperature of 0 °C or below is June 21 which happened in 1918.

Earliest Days ≤ 0 °C

Date	Year	Temperature
August 23	1940	0.0 °C
August 24	1917	0.0 °C
August 24	1914	-3.9 °C
August 25	1917	-0.6 °C
August 25	1914	-3.9 °C
August 26	1917	-0.6 °C
August 26	1915	-3.9 °C
August 28	1934	-0.6 °C
August 29	1917	0.0 °C
August 31	1935	0.0 °C
September 1	1976	-0.6 °C
September 2	1916	-1.1 °C
September 4	1914	-1.7 °C
September 5	1924	0.0 °C
September 6	1965	0.0 °C
September 6	1952	-0.6 °C
September 6	1918	-2.2 °C
September 7	1914	-2.2 °C
September 8	1975	0.0 °C
September 8	1956	-0.6 °C
September 8	1946	0.0 °C
September 8	1924	-2.8 °C
September 8	1918	-1.1 °C
September 8	1914	-2.8 °C

Latest Days ≤ 0 °C

Date	Year	Temperature
June 21	1918	-1.7 °C
June 20	1916	-1.1 °C
June 20	1914	-5.0 °C
June 19	1914	-2.2 °C
June 17	1915	-0.6 °C
June 16	1972	0.0 °C
June 14	1958	-0.6 °C
June 14	1917	0.0 °C
June 13	1946	-0.6 °C
June 13	1917	0.0 °C
June 13	1914	-1.1 °C
June 12	1929	-1.7 °C
June 11	1958	0.0 °C
June 10	1980	0.0 °C
June 10	1972	0.0 °C
June 10	1936	0.0 °C
June 9	1978	-2.1 °C
June 9	1966	0.0 °C
June 9	1915	-3.9 °C
June 8	1978	-0.6 °C
June 8	1958	-0.6 °C
June 8	1941	-1.7 °C
June 8	1915	-1.1 °C