Longueuil Weather in December

With daytime temperatures of 0°C (32°F) and nighttime lows of -9°C (16°F), December in Longueuil brings very low temperatures during the day. Do keep in mind that quite a bit of snow/rainfall is typical. Around 92 mm (3.6 in) falls on average.

Rainfall in Longueuil in December

Analyzing past climate data, one can expect approximately 15 days of snow/rain, averaging 92 mm (3.6 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Longueuil in December

Expect highs of 0°C (32°F) in Longueuil in December, with nights dropping to around -9°C (16°F). December is in the winter season. Staying warm is the main priority this month, especially during mornings and evenings. At -9°C (16°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. The month brings very cold weather, so dressing warmly is essential. Prepare with multiple layers for added warmth.

Sunshine in Longueuil in December

The area experiences limited sunny days, amounting to roughly 80 hours of sunshine. This makes it perfect for those who lean towards cooler, cloudier settings rather than intense sunlit days.

Wind Speed in Longueuil in December

Wind speeds average 7 m/s (14 knots) during December. At this speed, you experience strong wind that can make entire trees sway and create resistance when walking. Since this is an average, expect variation from moderate windy periods to particularly gusty days when umbrellas become difficult to control.

Average water temperature in December

With water temperatures around 11°C (52°F), swimming isn't really an option for most visitors. The cold sets in quickly and a wetsuit won't fully solve it.

December in Longueuil has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.

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• January
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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 December

Min Temperature -9°C (16°F)  

Max Temperature 0°C (32°F)  

Water Temperature 11°C (52°F) *  

Chance of Rain 51%  

Precipitation 92 mm (3.6 in)  

Rainy days 15 days  

Humidity 71% *  

Windspeed 7 m/s (14 knots) *  

Sunshine 80 hours *  

Percentage Sunshine 31% *  

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

What to Wear in Longueuil in December

We recommend to layer up for chilly conditions in Longueuil in December. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. With water temperatures around 11°C (52°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. With limited sunshine expected, sunglasses aren't a priority for packing.

What To Do in Longueuil in December

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

Swimming

4/10

Cycling

2/10

Walking

2/10

Camping

1/10

Outdoor sports

2/10

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.