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October Weather in Port Williams, Canada

Last updated: June 18, 2025

In Port Williams, Canada, the average temperature in October hovers around 10°C (50°F), with a wide range of temperatures from a chilly -5°C (24°F) to a pleasant 24°C (76°F). Expect about 82 mm (3.2 in) of precipitation spread over 10 days, contributing to an average humidity of 83%. Perfect weather for cozy indoor activities and exploring beautiful landscapes!

October Temperature in Port Williams

In October in Port Williams, the average temperature is 10°C (50°F), with maximums reaching 24°C (76°F) and minimums dropping as low as -5°C (24°F). Expect a range of temperatures, so be prepared for both warm days and chilly evenings while exploring the area.

October Weather in Port Williams: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Port Williams, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port Williams, October typically has an average temperature of 10°C (50°F), with highs reaching up to 24°C (76°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec252530415061676760503929
Data source: Temperature data for Port Williams 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 Port Williams

In Port Williams in October, the total precipitation amount is 82 mm (3.2 in) observed over a span of 10 days.

October Precipitation Trends in Port Williams

The chart displays monthly precipitation patterns in Port Williams, 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 Port Williams, October typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec851069110510210392929482144112
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Port Williams

In Port Williams in October, humidity is 83%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that clings to your skin, making outdoor exploration less comfortable and prompting visitors to seek cozy indoor activities.

October Average Humidity in Port Williams

This chart illustrates the average monthly humidity levels in Port Williams, 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 Port Williams is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%82%82%82%84%86%85%83%83%85%83%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Port Williams

In Port Williams 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 Port Williams.

Maximum UV Index Levels in Port Williams for October

The chart shows the monthly maximum UV Index (UVI) for Port Williams 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 Port Williams typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910987532
Data source: Port Williams 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 Port Williams Compares to Other Months

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

This table compares monthly weather conditions in Port Williams, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)85 mm (3.3 inches)82%low
February Weather-4°C (25°F)106 mm (4.2 inches)83%moderate
March Weather-1°C (30°F)91 mm (3.6 inches)82%moderate
April Weather5°C (41°F)105 mm (4.1 inches)82%high
May Weather10°C (50°F)102 mm (4.0 inches)82%very high
June Weather16°C (61°F)103 mm (4.1 inches)84%very high
July Weather19°C (67°F)92 mm (3.6 inches)86%very high
August Weather20°C (68°F)92 mm (3.6 inches)85%very high
September Weather16°C (60°F)94 mm (3.7 inches)83%high
October Weather10°C (50°F)82 mm (3.2 inches)83%moderate
November Weather4°C (39°F)144 mm (5.7 inches)85%moderate
December Weather-2°C (29°F)112 mm (4.4 inches)83%low

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