SeasonScore
Niagara Falls, Canada
Photo: Thomaswm · CC BY-SA 4.0

Canada

Niagara Falls in May

🌷 Spring

Cool and some showers.

🎒 Pack: warm jacket for evenings

Best months: Sep (9.5), May (9.2), Oct (9.2)

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Why May scores 9.2What goes into the score

How it works
🌡️ 18° / 9°C🌧️ 61 mm💧 dew pt 9°🍃 PM2.5 11
  • Weather comfort9.1
    • ✓Cool (17.8°C highs / 8.9°C lows)
    • ✓Comfortable humidity (dew point 8.7°C)
    • ✓Mostly dry (~61 mm rain)
  • Air quality9.1
    • ✓Good (within WHO guideline) (PM2.5 ~11 µg/m³)
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline8.5
    • ·Normal precautions
Compare monthsPut May side by side with another month
MaySep
Score9.2 Excellent9.5 Excellent
Season🌷 Spring🍂 Autumn
High / low18° / 9°24° / 16°
Rain61 mm64 mm
Humiditydew pt 9°dew pt 14°
PM2.511 µg/m³11 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast).

Holidays & crowdsMay 2027

No long holidays

No long public-holiday weekends this month. School holidays aren't counted, so check those if you want to avoid family crowds.

No national public holidays in Canada this month.

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Explore Niagara FallsEvents, sights, food & souvenirs

Check event dates locally

A Canadian border city beside the Horseshoe Falls, the most powerful of the three Niagara waterfalls, also a base for the Niagara wine region.

Events in May

No major events on our calendar for May.

Coming up later

Canada DayEvery year1 July every year

Canada's national day, with fireworks over the falls.

Why go: Very crowded along the parkway in the evening.

Where: Queen Victoria Park

Niagara Grape and Wine FestivalDate variesUsually September

A harvest festival with a parade and winery events.

Why go: Weekend winery tours book up.

Where: St. Catharines and wineries across the region

Winter Festival of LightsDate variesUsually mid-November to early January

Light displays along the river and around the falls.

Why go: Best seen after dark; dress warmly.

Where: Niagara Parkway and Queen Victoria Park