Hamilton Climate

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Climate

Weather The climate of Hamilton is humid continental and relatively mild compared with most of Canada. The average January temperature is slightly below freezing but most days rise just above, creating slushy conditions during snowfalls. Winter snowfall averages 113cm (44") with large annual fluctuations. The average July temperature (of both day and night) is 22.5C (72.5F) with high summertime humidity levels. Daytime temperatures typically climb into the 30's with 'humidex' values in the 40's between May and early October.