Pack or skip
Thermal underwear for Toronto in March
Verdict
Pack it
Lows around 26°F — thermals are the difference between a walk and a march.
Why
Toronto in March averages highs of 39°F, lows of 26°F, 12 rainy days.
That climate means thermal underwear earns its space in the bag. Lows around 26°F — thermals are the difference between a walk and a march.