Weather in Niagara Falls in May
Niagara Falls, Canada averages a high of 18.7°C (65.7°F) and low of 9.7°C (49.5°F) in May, with 12 rain days and 10.8 hours of daily sunshine. Travel score: 73.1/100 (Good). The best time to visit Niagara Falls is August.
High
19°C66°F
Low
10°C49°F
🌧️
12
rain days
☀️
10.8
hrs/day sunshine
💧
69%
humidity
73— Good
May in Niagara Falls is mild and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Niagara Falls?
How much does it rain in Niagara Falls in May?
Niagara Falls receives an average of 81.9mm of rainfall across 12 rainy days in May. The annual total is 994.2mm.
What should I pack for Niagara Falls in May?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 19°C
Recommended
🧥
Light rain jacket
Some rainy days expected (12 days)
☔
Umbrella
Be prepared for occasional showers
🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods
🎉Visiting Canada in May?
Don't miss any public holidays — check before you book!
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Data based on 1994–2024 averages · Last updated: 2024-12-31