When to go · Ottawa
Ottawa in August
Avoid month. Listed as a month to avoid: Jan–Feb unless you want deep cold and ice; Jul–Aug for heat and humidity.
Key facts
- Verdict
- Avoid
- Temperature
- 26°C79°F / 15°C59°F
- average high / low
- Rain days
- 10
- Crowds
- High
- Canada overall
- Prices
- High
- Canada overall
Verdict
AvoidBest and avoid months for Ottawa
Listed as a month to avoid: Jan–Feb unless you want deep cold and ice; Jul–Aug for heat and humidity.
Weather in August
- OttawaHighs around 26 °C, lows around 15 °C, rain on about 10 daysHighs around 79 °F, lows around 59 °F, rain on about 10 days
- Ontario and Great Lakes, Canada · Toronto, Ottawa, Niagara Falls, Algonquinhot
Humid summers, snowy winters; late September–October foliage in Algonquin.
Crowds and prices
- Crowds · Canada overall
- High
- Prices · Canada overall
- High
Canada overall: Warm and busy; wildfire risk highest in BC and Alberta.
High-price month: see what to book ahead.
What to pack
- A rain jacket or umbrella and shoes that dry fast
- Light, breathable clothes, a sun hat and sunscreen