Climate Overview
The climate in Notre-Dame-du-Lac is cool. The average annual temperature is 5°C and approximately 1014mm of precipitation falls per year. Notre-Dame-du-Lac receives a notable amount of rainfall throughout the year, including during its driest month. Notre-Dame-du-Lac is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are February, January, March, when temperatures can drop to -15°C. Snowfall occurs from January to December, with around 195cm accumulating over the season.
Temperature
Notre-Dame-du-Lac has a wide annual temperature range, spanning 39°C from the coldest to warmest months. July is the warmest month, though highs remain moderate at 24°C with a mean of 19°C. February brings the harshest conditions, with lows dropping to -15°C and an average temperature of -11°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 8°C shift in average temperatures.
Precipitation
Notre-Dame-du-Lac is a moderately rainy area, receiving approximately 1014mm of precipitation annually, which averages out to around 85mm per month. The wettest month is October, averaging 108mm of rainfall. August and April also tend to see above-average precipitation. The driest month is January, with just 54mm. That's 54mm less than October, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Snowfall is a regular feature from January to December, with around 195cm accumulating over the season. December typically sees the most snow at around 40cm.
Wind
Notre-Dame-du-Lac is mildly breezy, with an average annual wind speed of 17km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 19km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 15km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 17km/h in winter, 17km/h in spring, 15km/h in summer, 17km/h in autumn.
Seasons
88 days until Summer
It is currently spring in Notre-Dame-du-Lac, which began on March 20, 2026. Notre-Dame-du-Lac is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 24°C, while the coldest stretch bottoms out in February near -15°C. Summer is next, beginning on June 21, 2026 — 88 days from now.
Spring
Temperatures range from -9 to 17°C. Precipitation is moderate at around 248mm for the season, averaging 83mm per month. Winds are moderate at around 17km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 10 to 24°C. Precipitation is moderate at around 295mm for the season, averaging 98mm per month. Winds are moderate at around 15km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -2 to 19°C. Precipitation is moderate at around 287mm for the season, averaging 96mm per month. Expect around 31cm of snow accumulation during this period. Winds are moderate at around 17km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -15 to -2°C. Precipitation is moderate at around 185mm for the season, averaging 62mm per month. Expect around 113cm of snow accumulation during this period. Winds are moderate at around 17km/h. Heavy layering and insulated outerwear are essential — exposed skin should be minimised outdoors.
Best Time to Visit
The best time to visit Notre-Dame-du-Lac is during June and July, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 94mm per month. By contrast, February can be quite cold with temperatures dropping to -15°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.
Monthly Climate Data
The table below shows monthly climate averages for Notre-Dame-du-Lac based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.
