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October Weather in Brockville, Canada

Last updated: June 18, 2025

In October, the average temperature in Brockville, Canada hovers around 11°C (52°F). Daily temperatures can swing from a chilly -3°C (27°F) to a pleasant 26°C (79°F). Residents should prepare for some rain, with an average precipitation of 151 mm (5.9 in) spread over 13 days. With an average humidity of 83%, be ready for that cozy, damp feel typical of this season!

October Temperature in Brockville

In October in Brockville, the average temperature is 11°C (52°F), with maximums reaching up to 26°C (79°F) and minimums dropping as low as -3°C (27°F). This diverse temperature range makes Brockville an intriguing destination for travelers seeking both mild and cooler experiences during their visit.

October Weather in Brockville: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Brockville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brockville, October typically has an average temperature of 11°C (52°F), with highs reaching up to 26°C (79°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec212331435565727063523828
Data source: Temperature data for Brockville generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Brockville

In Brockville in October, the precipitation amount is 151 mm (5.9 in) over the course of 13 days.

October Precipitation Trends in Brockville

The chart displays monthly precipitation patterns in Brockville, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Brockville, October typically receives around 151 mm (5.9 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec828284125103941271067315111393
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Brockville

In Brockville in October humidity is 83%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that can make outdoor activities uncomfortable, often leading travelers to seek shelter indoors or to dress in layered clothing to stay warm while exploring the area.

October Average Humidity in Brockville

This chart illustrates the average monthly humidity levels in Brockville, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Brockville is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%93%86%82%75%68%69%67%72%83%88%89%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Brockville

In Brockville in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Brockville.

Maximum UV Index Levels in Brockville for October

The chart shows the monthly maximum UV Index (UVI) for Brockville in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In October, the maximum UV index in Brockville typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245899997532
Data source: Brockville October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How October Weather in Brockville Compares to Other Months

Weather in Brockville varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Brockville, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Brockville, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)82 mm (3.2 inches)93%low
February Weather-5°C (23°F)82 mm (3.2 inches)93%moderate
March Weather0°C (31°F)84 mm (3.3 inches)86%moderate
April Weather6°C (44°F)125 mm (4.9 inches)82%very high
May Weather13°C (56°F)103 mm (4.1 inches)75%very high
June Weather18°C (65°F)94 mm (3.7 inches)68%very high
July Weather22°C (72°F)127 mm (5.0 inches)69%very high
August Weather21°C (70°F)105 mm (4.2 inches)67%very high
September Weather17°C (63°F)73 mm (2.9 inches)72%high
October Weather11°C (52°F)151 mm (5.9 inches)83%moderate
November Weather3°C (38°F)113 mm (4.5 inches)88%moderate
December Weather-2°C (29°F)93 mm (3.7 inches)89%low

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