When to go · Ottawa
Ottawa in October
Great month. Inside Ottawa's best window: May–Jun, Sep–early Oct.
Key facts
- Verdict
- Great
- Temperature
- 13°C (55°F)55°F (13°C) / 4°C (39°F)39°F (4°C)
- average high / low
- Rain days
- 12
- Crowds
- Medium
- Canada overall
- Prices
- Medium
- Canada overall
Verdict
Inside Ottawa's best window: May–Jun, Sep–early Oct.
Is another month better than October?
No other month rates higher than October for Ottawa in this guide.
Weather in October
- OttawaHighs around 13 °C (55 °F), lows around 4 °C (39 °F), rain on about 12 daysHighs around 55 °F (13 °C), lows around 39 °F (4 °C), rain on about 12 days
- Ontario and Great Lakes, Canada · Toronto, Ottawa, Niagara Falls, Algonquinbest weather
Humid summers, snowy winters; late September–October foliage in Algonquin.
Crowds and prices
- Crowds · Canada overall
- Medium
- Prices · Canada overall
- Medium
Canada overall: Foliage in Ontario, Québec and the Maritimes early in the month; mountain roads get snow.
Compare two months
Weather, crowds and prices for any two months in Ottawa, side by side.
Verdict
Oct: Great
May: Great
Daytime high
Oct: 13 °C (55 °F)55 °F (13 °C)
May: 19 °C (66 °F)66 °F (19 °C)
Night low
Oct: 4 °C (39 °F)39 °F (4 °C)
May: 8 °C (46 °F)46 °F (8 °C)
Rain days
Oct: 12
May: 12
Crowds
Oct: Medium
May: Medium
Prices
Oct: Medium
May: Medium
Festivals listed
Oct: 0
May: 0
October: Inside Ottawa's best window: May–Jun, Sep–early Oct.
May: Inside Ottawa's best window: May–Jun, Sep–early Oct.
Ottawa: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm coat, hat and gloves for mornings and evenings
- A rain jacket or umbrella and shoes that dry fast