Longueuil Weather in August

August in Longueuil brings high temperatures around 27°C (81°F) during the day, dropping to 15°C (59°F) at night, with quite a bit of rainfall expected, averaging around 105 mm (4.1 in) for the month.

Rainfall in Longueuil in August

Analyzing past climate data, one can expect approximately 13 days of rain, averaging 105 mm (4.1 in). When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Longueuil in August

In August, Longueuil gets high temperatures, with highs of 27°C (81°F). Nights cool to around 15°C (59°F). August is known for being in the summer season. Overall, the month follows a fairly predictable daily temperature pattern. Nights cool down to 15°C (59°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Longueuil in August

The days are predominantly sunny, with an estimated total of around 245 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

Wind Speed in Longueuil in August

Average wind conditions reach 5 m/s (10 knots) in August. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.

Average water temperature in August

At 21°C (70°F), the water is pleasant for swimming. Most people find this range ideal — cool enough to be refreshing, warm enough to stay in comfortably.

If you're inclined towards comfortable temperatures and drier conditions, August is a good time to visit Longueuil.

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For a detailed overview over the year and the best time to visit Canada, check out our Longueuil's climate page.

Longueuil Temperature in August

Min Temperature 15°C (59°F)  

Max Temperature 27°C (81°F)  

Water Temperature 21°C (70°F) *  

Chance of Rain 42%  

Precipitation 105 mm (4.1 in)  

Rainy days 13 days  

Humidity 57% *  

Windspeed 5 m/s (10 knots) *  

Sunshine 245 hours *  

Percentage Sunshine 56% *  

* Data from: Montréal, Canada (4 KM, 2 Miles).

What to Wear in Longueuil in August

Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Expect water temperatures of around 21°C (70°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Longueuil in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Canada, check out our Longueuil's climate page.

More climate data for Longueuil

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Longueuil climate overview or explore weather in Canada.