Lowest Temperatures in Ottawa History

This is a list of the 20 lowest temperatures ever recorded in Ottawa, Ontario history from 1889–2024 based on data from the NOAA.

• Lowest temperatures by year
• Highest temperatures all-time
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Rank	Temperature	Date
1	-38.9 °C	December 29, 1933
2	-38.3 °C	February 17, 1934
2	-38.3 °C	December 30, 1933
4	-37.8 °C	February 15, 1943
4	-37.8 °C	January 19, 1925
6	-37.2 °C	January 15, 1957
6	-37.2 °C	February 16, 1943
6	-37.2 °C	February 8, 1934
9	-36.7 °C	December 20, 1942
9	-36.7 °C	March 4, 1938
9	-36.7 °C	February 6, 1934
9	-36.7 °C	January 31, 1934
9	-36.7 °C	January 28, 1925
14	-36.1 °C	January 30, 1952
14	-36.1 °C	February 10, 1951
14	-36.1 °C	February 10, 1948
14	-36.1 °C	February 25, 1934
14	-36.1 °C	February 7, 1934
14	-36.1 °C	February 4, 1923
20	-35.6 °C	February 18, 1934
20	-35.6 °C	February 9, 1934