When to go · St. Marys
St. Marys in July
Great month. Inside St. Marys's best window: Jun–Sep for the quarry and the trail; late Sep–Oct for the stone streets without the heat.
Key facts
- Verdict
- Great
- Temperature
- 27°C (81°F)81°F (27°C) / 15°C (59°F)59°F (15°C)
- average high / low
- Rain days
- 10
- Crowds
- High
- Canada overall
- Prices
- High
- Canada overall
Verdict
Inside St. Marys's best window: Jun–Sep for the quarry and the trail; late Sep–Oct for the stone streets without the heat.
Is another month better than July?
No other month rates higher than July for St. Marys in this guide.
Weather in July
- St. MarysHighs around 27 °C (81 °F), lows around 15 °C (59 °F), rain on about 10 daysHighs around 81 °F (27 °C), lows around 59 °F (15 °C), rain on about 10 days
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Canada Day big impact
1 Jul · Canada
Fireworks in Ottawa and cities; Québec's moving day is the same date.
Crowds and prices
- Crowds · Canada overall
- High
- Prices · Canada overall
- High
Canada overall: Peak season: Rockies lodging sold out, Canada Day on 1 July, Calgary Stampede. Wildfire smoke possible — check.
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in St. Marys, side by side.
Verdict
Jul: Great
Jun: Great
Daytime high
Jul: 27 °C (81 °F)81 °F (27 °C)
Jun: 24 °C (75 °F)75 °F (24 °C)
Night low
Jul: 15 °C (59 °F)59 °F (15 °C)
Jun: 12 °C (54 °F)54 °F (12 °C)
Rain days
Jul: 10 (better)
Jun: 11
Crowds
Jul: High
Jun: Medium
Prices
Jul: High
Jun: Medium
Festivals listed
Jul: 1
Jun: 1
July: Inside St. Marys's best window: Jun–Sep for the quarry and the trail; late Sep–Oct for the stone streets without the heat.
June: Inside St. Marys's best window: Jun–Sep for the quarry and the trail; late Sep–Oct for the stone streets without the heat.
St. Marys: figures are long-term averages from this guide, not a forecast.
What to pack
- A rain jacket or umbrella and shoes that dry fast