Thornhill Weather in October

Thornhill in October sees moderate daytime temperatures of 13°C (55°F) and nighttime lows of 6°C (43°F). Rainfall is fairly high this month at around 131 mm (5.2 in), so pack a rain jacket to stay dry.

Rainfall in Thornhill in October

Expect around 20 days of rain based on historical data, with 131 mm (5.2 in) average. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in Thornhill in October

In October, Thornhill sees moderate temperatures, with highs of 13°C (55°F). Nights drop to around 6°C (43°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. At 6°C (43°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Thornhill in October

The area experiences limited sunny days, amounting to roughly 74 hours of sunshine. This makes it perfect for those who lean towards cooler, cloudier settings rather than intense sunlit days.

October in Thornhill can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.