Thunder Bay Weather in December

Thunder Bay in December sees very low temperatures, with highs around -3°C (27°F) and overnight lows of -12°C (10°F). Around 48 mm (1.9 in) of snowfall is typical, so a light rain jacket is a sensible addition to your bag.

Rainfall in Thunder Bay in December

Past climate data indicates that roughly 11 days will see snow, totalling around 48 mm (1.9 in) for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Thunder Bay in December

December in Thunder Bay brings typical temperatures with highs around -3°C (27°F) and lows of -12°C (10°F). Winter occurs in December. Time outdoors is usually more comfortable with proper winter clothing and protection from wind. With lows of -12°C (10°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated. It's a frigid month, so wearing warm clothing is crucial. Don't underestimate the cold; prepare accordingly.

December in Thunder Bay has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.