Warm weather breaks records across Ontario

Ontario | Brampton | Caledon | Halton | Hamilton | Mississauga | Oakville | Weather |

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Published December 11, 2023 at 7:54 am

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Photo: Javon Swaby

The milder temperatures on the weekend broke records across the province.

Although Environment Canada was predicting “significant” weather with snow and wind on Sunday in some parts of Ontario, milder temperatures on Saturday (Dec. 9) broke some records.

The “unseasonably warm weather” on Saturday brought above-average temperatures across the province, according to Environment Canada.

In Mississauga, the temperature didn’t quite break the Dec. 9 record of 13.9 C set in 1966. The high was just shy of that at 13.1 C.  Hamilton’s warmest temperature on Dec. 9 was also in 1966 at 14.4 C. And this past Saturday, the high was 12.1 C, according to Environment Canada.

But nearby areas, such as Oakville and Caledon, did break records.

The following areas set a daily maximum temperature (in Celsius) record on Dec. 9:

  • Caledon area – New record of 11, old record of 10.6 set in 1924 (Records in this area have been kept since 1887)
  • Cobourg area – New record of 11.2, old record of 10.6 set in 1966 (Records in this area have been kept since 1955)
  • Goderich area – New record of 14.1, old record of 13.9 set in 1916 (Records in this area have been kept since 1866)
  • Kirkland Lake Area – New record of 7.1, old record of 5.6 set in 1952 (Records in this area have been kept since 1950)
  • Lake Superior Provincial Park Area 0 New record of 5.1, old record of 5.0 set in 1946 (Records in this area have been kept since 1940)
  • Mount Forest Area – New record of 11.2, old record of 10.5 set in 1987 (Records in this area have been kept since 1889)
  • North Perth Area – New record of 11.2, old record of 11.1 set in 1924 (Records in this area have been kept since 1899)
  • Oakville Area – New record of 13.9, old record of 13.3 set in 1952 (Records in this area have been kept since 1947)
  • Sarnia Area – New record of 14.4, old record of 13.4 set in 1991 (Records in this area have been kept since 1948)
  • Wawa Area – New record of 5.8, old record of 5.0 set in 1946 (Records in this area have been kept since 1919)
  • Whitby Area – New record of 11.8, old record of 10.6 set in 1966 (Records in this area have been kept since 1947)
  • Windsor Area – New record of 15.7, old record of 14.4 set in 1946 (Records in this area have been kept since 1866)

Environment Canada notes the temperature records are from a selection of historical stations in these geographic areas that were active during the period of record.

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They also say this summary may contain preliminary or unofficial information and does not constitute a complete or final report.

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