Highest Daily Low Temperatures in Saint-Hyacinthe History

This is a list of the hottest daily low temperatures ever recorded in Saint-Hyacinthe, Quebec history from 1890–2024 based on data from the NOAA.

Highest temperatures all-time

Record for the highest daily low temperature in Saint-Hyacinthe

The highest low temperature for a calendar day in Saint-Hyacinthe, Quebec history was 25.6 °C which has happened twice, most recently on Monday May 29, 1978.

Rank	Temperature	Date
1	25.6 °C	May 29, 1978
1	25.6 °C	July 5, 1939
3	24.5 °C	July 8, 1988
4	24.4 °C	July 10, 1955
4	24.4 °C	September 5, 1953
6	24.0 °C	July 6, 2010
6	24.0 °C	July 2, 2002
6	24.0 °C	August 10, 2001
6	24.0 °C	July 14, 1995
6	24.0 °C	July 20, 1991
6	24.0 °C	July 9, 1988
6	24.0 °C	July 13, 1987
13	23.9 °C	July 21, 1977
13	23.9 °C	July 20, 1977
13	23.9 °C	August 2, 1975
13	23.9 °C	August 1, 1975
13	23.9 °C	August 15, 1955
13	23.9 °C	August 15, 1947
13	23.9 °C	August 5, 1944
13	23.9 °C	July 4, 1939