Niagara Falls Weather in May

May in Niagara Falls averages 19°C (66°F) during the day and 8°C (46°F) at night. Quite a bit of rainfall is typical this month, with around 61 mm (2.4 in) on average. An umbrella is a good idea.

Rainfall in Niagara Falls in May

Expect around 12 days of rain based on historical data, with 61 mm (2.4 in) average. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Niagara Falls in May

In May, expect pleasant temperatures in Niagara Falls, with highs of 19°C (66°F) and lows of 8°C (46°F) at night. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights drop to 8°C (46°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Niagara Falls in May

Enjoy a sunny month with about 259 hours of sunshine, the clear skies make Niagara Falls even more beautiful.

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.