Grand-Mère (QC) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Grand-Mère.
Climate overview of Grand-Mère
Grand-Mère, Quebec, Canada, sees big temperature differences between seasons, with July peaking at 26°C (79°F) and January dropping to -6°C (21°F).
With around 1169 mm (46 in) of annual rain/snowfall, Grand-Mère has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has warm summers and very cold winters. The wettest month is July.
Grand-Mère Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Grand-Mère - and find the best time to visit.
Monthly Temperature in Grand-Mère
Visitors to Grand-Mère can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 26°C (79°F) in July. In January, the coolest month of the year, temperatures drop to a very cold -6°C (21°F).
At night, temperatures range from around 15°C (59°F) in July to -17°C (1°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Grand-Mère
Grand-Mère is known for its substantial rain/snowfall, with annual precipitation reaching 1169 mm (46 in). Despite minor fluctuations, Grand-Mère enjoys fairly consistent precipitation throughout the year. In July, you can expect around 116 mm (4.6 in) of precipitation, while in February, Grand-Mère receives about 72 mm (2.8 in). For more details, please visit our Grand-Mère Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Grand-Mère
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June, July, August and September
- Warmest weather: July and August
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -17°C (1°F).
Frequently asked questions about the climate in Grand-Mère
What is the best time to visit Grand-Mère?
May, June, July, August and September typically offer the most optimal weather in Grand-Mère. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Grand-Mère has warm summers and very cold winters.
What temperatures can I expect in Grand-Mère?
Daytime highs range from -6°C (21°F) in January to 26°C (79°F) in July. Nighttime lows range from -17°C (1°F) to 15°C (59°F). Temperatures vary considerably through the year.
How much rain does Grand-Mère get?
Annual rainfall is around 1169 mm (46 in). July is the wettest month with 116 mm (4.6 in), while February is the driest with 72 mm (2.8 in).
Grand-Mère 3-Day Forecast
Grand-Mère on the map
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