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October Weather in Brossard, Canada

Last updated: June 18, 2025

In October, the average temperature in Brossard, Canada hovers around 10°C (50°F), providing a mild climate. While temperatures can dip to a chilly -4°C (25°F), they can also rise to a warm 27°C (80°F). Expect around 139 mm (5.5 in) of precipitation spread across 13 days, keeping the air refreshingly humid with an average humidity level of 86%.

October Temperature in Brossard

In October, in Brossard, the average temperature is 10°C (50°F), with maximums reaching 27°C (80°F) and minimums dropping as low as -4°C (25°F). This means travelers should be prepared for a wide range of weather conditions, making layers essential for comfort during their visit.

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

The chart illustrates October temperature patterns in Brossard, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brossard, October typically has an average temperature of 10°C (50°F), with highs reaching up to 27°C (80°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec171929435766727062503524
Data source: Temperature data for Brossard 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 Brossard

In Brossard in October, the precipitation amount is 139 mm (5.5 in) over the course of 13 days.

October Precipitation Trends in Brossard

The chart displays monthly precipitation patterns in Brossard, 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 Brossard, October typically receives around 139 mm (5.5 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec848284121971041031097313911888
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Brossard

In Brossard in October humidity is 86%. With an average temperature of 10°C (50°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities uncomfortable and sticky, which can dampen the spirit of travel.

October Average Humidity in Brossard

This chart illustrates the average monthly humidity levels in Brossard, 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 Brossard is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%86%85%80%74%76%75%78%86%89%89%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Brossard

In Brossard 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 Brossard.

Maximum UV Index Levels in Brossard for October

The chart shows the monthly maximum UV Index (UVI) for Brossard 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 Brossard typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245799887532
Data source: Brossard 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 Brossard Compares to Other Months

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

This table compares monthly weather conditions in Brossard, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (17°F)84 mm (3.3 inches)93%low
February Weather-7°C (20°F)82 mm (3.2 inches)92%moderate
March Weather-2°C (29°F)84 mm (3.3 inches)86%moderate
April Weather6°C (43°F)121 mm (4.7 inches)85%high
May Weather14°C (57°F)97 mm (3.8 inches)80%very high
June Weather19°C (67°F)103 mm (4.1 inches)74%very high
July Weather22°C (72°F)103 mm (4.1 inches)76%very high
August Weather21°C (70°F)109 mm (4.3 inches)75%very high
September Weather16°C (62°F)73 mm (2.9 inches)78%high
October Weather10°C (50°F)139 mm (5.5 inches)86%moderate
November Weather2°C (35°F)118 mm (4.6 inches)88%moderate
December Weather-5°C (24°F)88 mm (3.5 inches)89%low

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