Weather in Ottawa in October 2024
Average weather
Average temperature in Ottawa in October
The temperature in October is +61°F on average, with a range between a maximum of +73°F during the day and a minimum of +30°F at night.
The average maximum temperature goes down 17% by the end of the month, compared with the beginning of the month, from +64°F to +57°F.
Is Ottawa warm or cold in October?
Ottawa is typically mild in October.
Maximum temperatures go down compared to the previous month from +70°F to +55°F. The minimum temperature also goes down from +50°F to +39°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how October is compared to other months in Ottawa:
Climate in Ottawa in October
| September | October | November | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +70°F | +55°F | +43°F | ||||
| Min. temperature | ||||||
| +27°F | +18°F | -4°F | ||||
| Max. temperature | ||||||
| +95°F | +82°F | +73°F | ||||
| Rainfall | ||||||
| 90 mm | 89 mm | 54 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 3 m/s | ||||
| Humidity | ||||||
| 75% | 75% | 76% | ||||
| Air pressure | ||||||
| 1015 HPa | 1015 HPa | 1015 HPa | ||||
| Sunny days | ||||||
| 5 | 3 | 2 | ||||
| Cloudy days | ||||||
| 18 | 19 | 20 | ||||
| Rainy days | ||||||
| 7 | 8 | 5 | ||||
| Snowy days | ||||||
| 0 | 1 | 3 | ||||
October typically has worse weather conditions compared to September. It’s getting colder in October. From +70°F in the day, the average maximum temperature lowers to +55°F. As October arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 90 mm to 89 mm. Humidity levels don’t change as the month goes on, averaging around 75%. The average wind speed doesn’t change much during October, staying around 2 m/s. The days becoming less sunny, going from 5 sunny days in September to 3 in October.
November brings much the same weather, it remains ok.
Wind
The average wind speed is 3 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Ottawa is gradually decreasing during October, going from 2 m/s to 1 m/s over the course of the month.
Rain
Snow
Here’s how October is compared with other months in the amount of snow, total mm:
How was the weather last October in Ottawa?
Climate Change Over the Years
The climate in Ottawa in October has not changed that much over the last 43 years.
The average temperature was the lowest in 1988 (+52°F) and the highest in 2017 (+65°F). The driest year was 1997 with only 15 mm of rainfall, and the wettest year was 2017 with 323 mm.
FAQ
Is October a good time to visit Ottawa?
Can you sunbathe in Ottawa in October?
Is Ottawa rainy in October?
Is it sunny in Ottawa in October?
Other cities in Canada
Monthly weather in Ottawa
Source of the data
For this page, we’ve looked at the typical weather in Ottawa, based on historical hourly weather data from January 1, 1979, to December 31, 2022.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.