Winnipeg experiences a humid continental climate (Köppen Dfb, USDA Plant Hardiness Zone 2b) with warm sunny summers and cold windy winters. According to Environment Canada, Winnipeg is the coldest city in the world with a population of over 600,000 based on the average night-time temperature from December to February, inclusive.
Winnipeg is sunnier in the summer than any Canadian city east of it. Winnipeg has 317.5 hours of bright sunshine in its sunniest month (July, 1971-2000 data) compared to 303.8 hours of sunshine in San Diego, California's sunniest month (July, 1961-1990 data) or Kelowna, BC's sunniest month (July, 1971-2000 data) which has 300.5 hours of bright sunshine. Winnipeg is ranked second for Canada's clearest skies year-round, sixth sunniest city year-round, and second for sunniest city in Canada in spring and winter.
Winnipeg has a reputation for being a windy city with the intersection of Portage and Main being called the windiest intersection in Canada; however, Regina, Hamilton and St. John's are windier. Although tornadoes are not common near Winnipeg, a Fujita scale F5 tornado struck Elie (just 40 km (25 mi) west of Winnipeg) in 2007; this was the strongest tornado ever recorded in Canada.
For July 29 the average high is 26.3C (79.3F) and the average low is 13.5C (56.3F). Nearby Carman reached 53 with the humidex, breaking Canada's old humidex record, in 2007. The highest temperature ever recorded in Winnipeg was 42.2 °C (108 °F) on 11 July 1936. In July Winnipeg gets 70.6mm of rainfall compared to 67.9mm of rainfall in Calgary or 102.2mm of rainfall in Halifax.
Winters in Winnipeg are usually dry. Snow cover usually lasts from November till April, although this varies depending on the year. On January 13 the average high is -13.2C (8.2F) and the average low is -23.2C (-9.8F). The coldest temperature recorded in Winnipeg was−47.8 °C (−54.0 °F) on 24 December 1879. Winters in Winnipeg are getting warmer on