Climate Overview
Toronto experiences a humid continental climate with four distinct seasons. Winters are cold and snowy, with average temperatures dropping to -5°C to -10°C (23°F to 14°F) from December through February. Summers are warm and humid, ranging from 20°C to 27°C (68°F to 81°F) between June and August. Spring and fall are mild transitional seasons, though fall tends to be more predictable and comfortable than spring, which can be unpredictable with sudden temperature swings.
Best Time to Visit
Late September through October is Toronto's sweet spot for visiting. The weather is crisp and pleasant (15–20°C or 59–68°F), summer crowds have thinned, and hotel rates drop by 20–30% compared to peak season. Fall foliage around the city parks is stunning. If you prefer warmth and outdoor festivals, July and early August work well, though expect peak prices and larger crowds at attractions like the CN Tower (around CAD $38 per adult).
Seasonal Breakdown
Winter (Dec–Feb) brings snow and sub-zero temperatures; museums and indoor attractions become popular, and winter events like the Toronto Christmas Market draw crowds. Spring (Mar–May) sees gradually warming weather but unpredictable conditions. Summer (Jun–Aug) is peak tourist season with festivals, patios, and vibrant street life—budget accordingly. Fall (Sep–Nov) offers ideal weather and fewer tourists, making it the most practical choice for most travelers.