When to go · Niagara Falls, Ontario
Niagara Falls, Ontario in May
Great month. Inside Niagara Falls, Ontario's best window: May–Oct; Sep–Oct for smaller crowds and wine harvest.
Key facts
- Verdict
- Great
- Temperature
- 20°C (68°F)68°F (20°C) / 9°C (48°F)48°F (9°C)
- average high / low
- Rain days
- 12
- Crowds
- Medium
- Canada overall
- Prices
- Medium
- Canada overall
Verdict
Inside Niagara Falls, Ontario's best window: May–Oct; Sep–Oct for smaller crowds and wine harvest.
Is another month better than May?
No other month rates higher than May for Niagara Falls, Ontario in this guide.
Weather in May
- Niagara Falls, OntarioHighs around 20 °C (68 °F), lows around 9 °C (48 °F), rain on about 12 daysHighs around 68 °F (20 °C), lows around 48 °F (9 °C), rain on about 12 days
Crowds and prices
- Crowds · Canada overall
- Medium
- Prices · Canada overall
- Medium
Canada overall: Victoria Day weekend opens the season; Rockies lakes still frozen at altitude.
Compare two months
Weather, crowds and prices for any two months in Niagara Falls, Ontario, side by side.
Verdict
May: Great
Jun: Great
Daytime high
May: 20 °C (68 °F)68 °F (20 °C)
Jun: 26 °C (79 °F)79 °F (26 °C)
Night low
May: 9 °C (48 °F)48 °F (9 °C)
Jun: 15 °C (59 °F)59 °F (15 °C)
Rain days
May: 12
Jun: 11 (better)
Crowds
May: Medium
Jun: Medium
Prices
May: Medium
Jun: Medium
Festivals listed
May: 0
Jun: 1
May: Inside Niagara Falls, Ontario's best window: May–Oct; Sep–Oct for smaller crowds and wine harvest.
June: Inside Niagara Falls, Ontario's best window: May–Oct; Sep–Oct for smaller crowds and wine harvest.
Niagara Falls, Ontario: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings
- A rain jacket or umbrella and shoes that dry fast