Highest Temperatures in Welland History

This is a list of the 20 highest temperatures ever recorded in Welland, Ontario history from 1872–2024 based on data from the NOAA.

• Highest temperatures by year
• Lowest temperatures all-time
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Rank	Temperature	Date
1	37.8 °C	August 26, 1948
1	37.8 °C	July 1, 1931
1	37.8 °C	July 4, 1911
4	37.2 °C	July 10, 1936
4	37.2 °C	July 9, 1936
4	37.2 °C	July 2, 1931
7	36.7 °C	August 27, 1948
7	36.7 °C	July 27, 1941
7	36.7 °C	July 25, 1941
7	36.7 °C	July 12, 1936
7	36.7 °C	July 11, 1936
7	36.7 °C	July 23, 1933
7	36.7 °C	July 25, 1892
7	36.7 °C	July 2, 1878
15	36.1 °C	June 29, 1933
15	36.1 °C	August 21, 1916
15	36.1 °C	August 9, 1914
15	36.1 °C	July 5, 1911
19	35.6 °C	August 28, 1973
19	35.6 °C	July 11, 1946
19	35.6 °C	July 7, 1944
19	35.6 °C	July 5, 1921
19	35.6 °C	July 3, 1911
19	35.6 °C	July 12, 1908
19	35.6 °C	July 15, 1901
19	35.6 °C	July 10, 1897
19	35.6 °C	July 26, 1892
19	35.6 °C	June 30, 1878