Lowest Daily High Temperatures in Oshawa History

This is a list of the coldest daily high temperatures ever recorded in Oshawa, Ontario history from 1882–2024 based on data from the NOAA.

Lowest temperatures all-time

Record for the lowest daily high temperature in Oshawa

The lowest high temperature for a calendar day in Oshawa, Ontario history was -23.9 °C which happened on Wednesday, January 14, 1914.

Rank	Temperature	Date
1	-23.9 °C	January 14, 1914
2	-23.3 °C	December 27, 1925
3	-23.0 °C	January 15, 1994
4	-22.2 °C	February 18, 1958
4	-22.2 °C	January 26, 1925
6	-21.7 °C	February 17, 1958
7	-21.1 °C	January 13, 1957
7	-21.1 °C	February 12, 1914
7	-21.1 °C	January 11, 1893
7	-21.1 °C	December 20, 1884
11	-20.6 °C	February 13, 1914
12	-20.5 °C	January 11, 1981
13	-20.4 °C	February 15, 2015
14	-20.0 °C	December 26, 1925
14	-20.0 °C	January 3, 1887
16	-19.4 °C	February 5, 1886
17	-18.3 °C	January 24, 1886
18	-18.0 °C	January 26, 1994
18	-18.0 °C	January 3, 1981
20	-17.8 °C	January 22, 1976
20	-17.8 °C	December 20, 1955