Ottawa Weather in October

What's the weather like in Ottawa, Canada in October 2019?

The climate in Ottawa during October can be summarized as cool and reasonably dry.

October is in the fall / autumn in Ottawa and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a cool 13°C (55°F), whilst at night 4°C (39°F) is normal.

Ottawa weather averages (imperial / metric)
Daytime temperature 12.8°C 55°F
Nightly temperature 3.7°C 38.6°F
Average temperature 8.2°C 46.8°F
Daily sunshine 4.8 hrs
Avg rainfall 71 mm 2.8 ins
Rainy days 12 days
Sea temperature 12°C 53.5°F
Humidity 74%
Windspeed 12.6kph 8 mph

On average October is the 5th driest month of the year in Ottawa with around 71mm 2.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.

On the flip side this corresponds to an average of 4.8 hours of sunshine per day.

October temperatures in Ottawa

October rainfall

October hourly sunshine

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in October 2019.

Other monthly averages

UV index

Ottawa weather stats

Ottawa weather statistics
Hottest month: July 25.9°C 78.6°F
Driest month: February 58mm 2.3ins
Sunniest month: July 9.7hrs
Coldest month: January -6.6°C 20.1°F
Wettest month: July 88mm 3.5ins
Map showing location of Ottawa (45.41117, -75.69812)

Locations nearby

Top Canada locations

Change units