Longueuil Weather in October

In Longueuil, October brings moderate daytime temperatures around 14°C (57°F), with nights cooling to 5°C (41°F). It is the wettest month of the year, so expect more rainfall than usual.

Rainfall in Longueuil in October

Since this is the rainiest month of the year, it's a good idea to carry an umbrella just in case. Looking at the last 30 years, the data shows about 13 days with rain, averaging 115 mm (4.5 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Longueuil in October

If you're visiting Longueuil in October, expect highs of 14°C (57°F) and overnight lows around 5°C (41°F). Conditions are often most pleasant around the middle of the day. Nights fall to 5°C (41°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Longueuil in October

You can expect a moderate amount of sunlight, with approximately 140 hours. This means a pleasant mix of sun and overcast.

Wind Speed in Longueuil in October

Wind speeds average 6 m/s (12 knots) during October. At this speed, expect strong winds that make large branches move and create some resistance when walking. Since this is an average, some days have fresh winds while others have strong breezes that can make umbrellas tricky to control.

Average water temperature in October

The water temperature is 14°C (57°F), chilly, but perfectly fine for a swim if you're not too sensitive to cold water. A short wetsuit can make longer sessions more comfortable.

For Longueuil itself, May, June, July, August and September generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.