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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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Check the live forecast above before you pack for Stratford, Ontario, as the weather here shifts quickly between seasons. The best months to visit are May through October, when festival season and outdoor strolls along the Avon River are most comfortable.
What is the weather like in Stratford by season?
Stratford has a humid continental climate with warm summers and cold, snowy winters. July highs average around 26°C, while January lows often dip to -10°C. Spring and autumn are short but pleasant, with crisp air and changing leaves. Rain is fairly evenly spread through the year, so a light jacket or umbrella is useful even in summer.
When should I visit and what should I pack?
For the Stratford Festival (April to October), pack layers: a sweater for cool evenings and a rain shell for sudden showers. Snowbird travellers and March-break visitors should expect snow and ice from December through March—bring a warm parka, boots, and gloves. The Canada weather hub has more seasonal tips. If you need a detailed look at conditions, check the stratford weather hourly or stratford ontario weather hourly updates for precise timing.
Does Stratford get a lot of snow?
Yes, Stratford averages about 140 centimetres of snow each winter. Lake-effect snow from Lake Huron can boost totals, especially from December to February. Roads and sidewalks are well maintained, but winter tires are recommended.
How accurate is the stratford weather 30 day forecast?
Long-range forecasts for Stratford are general trend guides, not day-by-day guarantees. For reliable planning, use the weather network stratford 14 days outlook or the live forecast above. The stratford ontario weather radar is best for tracking incoming storms.
Is Stratford humid in summer?
Yes, humidity can make July and August feel muggy, especially during heat waves. Afternoon thunderstorms are common. Light, breathable clothing and a water bottle help, and check the weather warning page for severe storm alerts.