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October Weather in Oakville, Canada

Last updated: June 18, 2025

In October, the average temperature in Oakville, Canada hovers around 12°C (53°F), with nighttime lows dipping to a chilly 0°C (32°F) and daytime highs reaching up to a warm 28°C (82°F). Expect 108 mm (4.3 in) of precipitation over roughly 13 days, contributing to the region's high average humidity of 83%. Be prepared for a mix of cool breezes and occasional rain!

October Temperature in Oakville

In October in Oakville, the average temperature is 12°C (53°F). Maximums can reach 28°C (82°F), while minimums can drop as low as 0°C (32°F). This variability makes it essential to pack layers for comfort during your travels.

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

The chart illustrates October temperature patterns in Oakville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oakville, October typically has an average temperature of 12°C (53°F), with highs reaching up to 28°C (82°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec262733425465727164533932
Data source: Temperature data for Oakville 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 Oakville

In Oakville in October, the precipitation amount is 108 mm (4.3 in), occurring over a span of 13 days.

October Precipitation Trends in Oakville

The chart displays monthly precipitation patterns in Oakville, 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 Oakville, October typically receives around 108 mm (4.3 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec73806411098887577631087978
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Oakville

In Oakville in October humidity is 83%. With an average temperature of 12°C (53°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and necessitating layers to stay comfortable while traveling.

October Average Humidity in Oakville

This chart illustrates the average monthly humidity levels in Oakville, 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 Oakville is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%91%88%88%82%80%77%72%76%83%88%87%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Oakville

In Oakville 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 Oakville.

Maximum UV Index Levels in Oakville for October

The chart shows the monthly maximum UV Index (UVI) for Oakville 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 Oakville typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245899997532
Data source: Oakville 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 Oakville Compares to Other Months

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

This table compares monthly weather conditions in Oakville, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)73 mm (2.9 inches)91%low
February Weather-3°C (27°F)80 mm (3.2 inches)91%moderate
March Weather1°C (34°F)64 mm (2.5 inches)88%moderate
April Weather6°C (43°F)110 mm (4.3 inches)88%very high
May Weather12°C (54°F)98 mm (3.9 inches)82%very high
June Weather18°C (65°F)88 mm (3.5 inches)79%very high
July Weather22°C (72°F)75 mm (2.9 inches)77%very high
August Weather22°C (71°F)77 mm (3.0 inches)72%very high
September Weather18°C (64°F)63 mm (2.5 inches)76%high
October Weather12°C (53°F)108 mm (4.3 inches)83%moderate
November Weather4°C (39°F)79 mm (3.1 inches)88%moderate
December Weather0°C (32°F)78 mm (3.1 inches)87%low

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