Ottawa Weather in October
October in Ottawa sees daytime temperatures around 18°C (64°F) and lows of 6°C (43°F) at night. With around 70 mm (2.8 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Ottawa in October
Historically, the month has about 11 days of rain, averaging 70 mm (2.8 in) in total. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Ottawa in October
Ottawa in October gets highs of 18°C (64°F) during the day and drops to 6°C (43°F) at night. Conditions are often most pleasant around the middle of the day. At 6°C (43°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.If your ideal day consists of dry skies and pleasant temperatures, July and September typically offer the best circumstances for Ottawa.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Ottawa's climate page.
Ottawa Temperature in October
Min Temperature
6°C (43°F)
Max Temperature
18°C (64°F)
Chance of Rain
36%
Precipitation
70 mm (2.8 in)
Rainy days
11 days
Best Places in the United States of America in October
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in October →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Ottawa in October
Pleasant temperatures in October mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days.What To Do in Ottawa in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Ottawa's climate page.
See the full Ottawa climate overview or explore weather in the United States of America.
