When to go · Ajax
Ajax in May
Good month. Outside the best window (Jun–Sep for the waterfront; late Sep–Oct for fall colours on the trails). Across Canada: Victoria Day weekend opens the season; Rockies lakes still frozen at altitude.
Key facts
- Verdict
- Good
- Temperature
- 19°C (66°F)66°F (19°C) / 8°C (46°F)46°F (8°C)
- average high / low
- Rain days
- 12
- Crowds
- Medium
- Canada overall
- Prices
- Medium
- Canada overall
Verdict
Outside the best window (Jun–Sep for the waterfront; late Sep–Oct for fall colours on the trails). Across Canada: Victoria Day weekend opens the season; Rockies lakes still frozen at altitude.
Is another month better than May?
May is rated good. These months rate higher:
- JuneGreatInside Ajax's best window: Jun–Sep for the waterfront; late Sep–Oct for fall colours on the trails.
- JulyGreatInside Ajax's best window: Jun–Sep for the waterfront; late Sep–Oct for fall colours on the trails.
- AugustGreatInside Ajax's best window: Jun–Sep for the waterfront; late Sep–Oct for fall colours on the trails.
- SeptemberGreatInside Ajax's best window: Jun–Sep for the waterfront; late Sep–Oct for fall colours on the trails.
Weather in May
- AjaxHighs around 19 °C (66 °F), lows around 8 °C (46 °F), rain on about 12 daysHighs around 66 °F (19 °C), lows around 46 °F (8 °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 Ajax, side by side.
Verdict
May: Good
Jun: Great (better)
Daytime high
May: 19 °C (66 °F)66 °F (19 °C)
Jun: 24 °C (75 °F)75 °F (24 °C)
Night low
May: 8 °C (46 °F)46 °F (8 °C)
Jun: 13 °C (55 °F)55 °F (13 °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: Outside the best window (Jun–Sep for the waterfront; late Sep–Oct for fall colours on the trails). Across Canada: Victoria Day weekend opens the season; Rockies lakes still frozen at altitude.
June: Inside Ajax's best window: Jun–Sep for the waterfront; late Sep–Oct for fall colours on the trails.
Ajax: 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