Montréal Weather in May

During May, Montréal experiences pleasant daytime temperatures of 21°C (70°F) and cooler nights around 10°C (50°F). Expect quite a bit of rainfall. Around 106 mm (4.2 in) is typical.

Rainfall in Montréal in May

Typically around 13 days of rainfall are expected, averaging 106 mm (4.2 in) for the month. 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 Montréal in May

Expect highs of 21°C (70°F) in Montréal in May, with nights dropping to around 10°C (50°F). The difference between afternoon and evening temperatures is usually noticeable. With lows of 10°C (50°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Montréal in May

The days are predominantly sunny, with an estimated total of around 254 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

If you prefer enjoying temperate temperatures and rain-free days, June, July and August typically offer 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.