Climate Data Thunder Bay
Ontario, Canada
Monthly Averages. Elevation: 187m.
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Best Time to Visit: Jun, Jul, Aug. Rainiest: Jul (88 mm). View current weather →
714 mm
25 °C
Jul -20 °C
Jan 16 km/h
Thunder Bay has a cold climate with harsh winters (Jan -20°C) and mild summers (Jul 25°C). Annual rainfall totals 714mm.
Monthly Averages
High Low Precipitation
Monthly Wind Speed
km/h
Frequently Asked Questions
What is the climate like in Thunder Bay?
Thunder Bay has an average annual temperature of 3°C with 714mm of rainfall per year. The warmest month is Jul (25°C) and the coldest is Jan (-20°C).
What is the hottest month in Thunder Bay?
The hottest month in Thunder Bay is Jul, with an average high of 25°C.
How much rain does Thunder Bay get?
Thunder Bay receives 714mm of precipitation annually. The wettest month is Jul (88mm) and the driest is Feb (26mm).
When is the best time to visit Thunder Bay?
The best time to visit Thunder Bay is during Jul, Aug, Jun, when temperatures are comfortable and rainfall is relatively low.
Data: WorldClim 2.1