Brockville Weather in October
October in Brockville brings moderate temperatures around 14°C (57°F) during the day, dropping to 6°C (43°F) at night, with the most rainfall of the year.
Rainfall in Brockville in October
As the month with the highest rainfall, make sure to have an umbrella to manage the showers. Based on our climate data of the past 30 years, about 16 days of rain are anticipated, with 119 mm (4.7 in) on average. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.
Temperature in Brockville in October
In October, Brockville gets moderate temperatures, with highs of 14°C (57°F). Nights cool to around 6°C (43°F). The difference between afternoon and evening temperatures is usually noticeable. Nights fall to 6°C (43°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Brockville in October
The month brings about 141 hours of sunlight, offering a comfortable mix of sun and overcast.For Brockville itself, May, July, August and September generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Canada, check out our Brockville's climate page.
Brockville Temperature in October
Min Temperature
6°C (43°F)
Max Temperature
14°C (57°F)
Chance of Rain
53%
Precipitation
119 mm (4.7 in)
Rainy days
16 days
Sunshine
141 hours *
Percentage Sunshine
41% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Brockville typically drop from around 17°C (63°F) at the start of October to approximately 11°C (52°F) by the end. Nights are cold, with lows typically ranging from -1°C (30°F) to 7°C (45°F).
Average temperatures in October
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in October
Historical weather for Brockville in October
Browse day-by-day weather records for Brockville spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Brockville historical weather extremes in October
Based on 49 years of weather observations in Brockville between 1976 and 2025, these are the recorded extremes.
- On October 4, 2023, temperatures climbed to 29°C (84°F), marking the warmest October day on record.
- The heaviest October precipitation occurred on October 31, 2019, when 57 mm (2.2 in) of precipitation fell.
Best Places in Canada in October
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in October →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Brockville in October
The weather can be unpredictable in October, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Brockville 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 Canada, check out our Brockville's climate page.
See the full Brockville climate overview or explore weather in Canada.
