Mississauga Weather in May

Mississauga in May sees moderate daytime temperatures of 18°C (64°F) and nighttime lows of 8°C (46°F). Rainfall is fairly high this month at around 82 mm (3.2 in), so pack a rain jacket to stay dry.

Rainfall in Mississauga in May

This month experiences about 11 days of rain according to historical data, averaging 82 mm (3.2 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 Mississauga in May

Expect highs of 18°C (64°F) in Mississauga in May, with nights dropping to around 8°C (46°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights fall to 8°C (46°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Mississauga in May

The month enjoys around 230 hours of sunshine, creating mostly sunny days with good weather conditions.

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