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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Canada Scene Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
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Trois-Rivières has a humid continental climate with cold, snowy winters and warm, humid summers. The live forecast above shows today’s conditions, but for travel planning, the most comfortable weather runs from late May through September, though you’ll want to pack layers even in July for cooler evenings.
When is the best time to visit Trois-Rivières?
For outdoor activities and sightseeing, mid-June to early September offers the warmest temperatures, averaging 20–25°C. July and August can feel muggy, with frequent afternoon showers. Spring (May) and autumn (September–October) are cooler but less crowded, and the fall foliage along the St. Lawrence is striking. If you’re a snowbird or looking for March-break skiing, February and March bring reliable snow cover but wind chills often drop below -15°C. Check the live forecast above and also monitor montreal weather for broader regional patterns.
What should you pack for Trois-Rivières?
In summer: lightweight clothing, a rain jacket, and a fleece or sweater for evenings. In winter: a heavy parka, insulated boots, gloves, and a hat – plus layers for indoor heating. Year-round, carry a compact umbrella. For longer stays, consult Canada’s weather hub for extended planning. The ottawa weather forecast gives a good sense of the same air mass, but Trois-Rivières can be a few degrees warmer due to its river position.
Does Trois-Rivières get a lot of snow?
Yes, the city averages around 210 cm of snow annually, with the heaviest falls from December through March. Snow removal is efficient, but winter driving can be tricky – check weather warnings before heading out.
Is Trois-Rivières weather similar to Montreal weather?
Broadly yes – both cities share a humid continental climate. However, Trois-Rivières is slightly cooler in winter and can be a degree or two warmer in summer. For precise planning, use the weather in trois rivières 10 days forecast above alongside a trois rivieres weather 14 days outlook.
How reliable is the weather trois-rivières hourly forecast?
Hourly forecasts from Environment Canada are generally reliable for the next 24–36 hours. For real-time precipitation tracking, the trois-rivières weather radar (linked in our sources) shows incoming rain or snow up to an hour ahead.