Question:Could you please let me know the last time, if ever, Lake Ontario froze over?
Answer: According to Canadian Senior Climatologist Dave Phillips, Lake Ontario has frozen over on two recorded occasions. The first came during the winter of 1874-75. The second came during the cold winter of 1934 (February).
In a typical winter, only about 10 percent of Lake Ontario is ice-covered.
Learn More From These Books Chosen by The Weather Doctor
Williams, Jack: The Weather Book, 1997, Vintage Books, ISBN 0-679-77665-6.
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