About Sioux Lookout, 08's Climate & Weather History

Sioux Lookout is a city of approximately 5,800 people in Ontario, Canada. Located in the America/Winnipeg time zone at 50.1°N latitude.

In 2025, Sioux Lookout recorded an average annual temperature of 38°F. The hottest temperatures reached 85°F in May; the coolest were -33°F in January. Total precipitation for the year was 28 inches, with the wettest month being June. Snowfall for the year totaled approximately 24 inches.