October Weather in Barrie, Canada

Last updated: June 18, 2025

In October, the average temperature in Barrie, Canada hovers around 10°C (50°F). Expect a range that can dip to a chilly -3°C (27°F) or soar to a warm 28°C (82°F). With a precipitation total of 104 mm (4.1 in) over 15 days, you may want to keep that umbrella handy. The air is notably humid, with an average humidity level of 83%, making for a unique climate experience!

October Temperature in Barrie

In October in Barrie, the average temperature is 10°C (50°F), with maximums reaching up to 28°C (82°F) and minimums dropping as low as -3°C (27°F). This variability makes it essential for travelers to pack layers to stay comfortable in fluctuating temperatures.

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

The chart illustrates October temperature patterns in Barrie, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Barrie, October typically has an average temperature of 10°C (50°F), with highs reaching up to 28°C (82°F) and lows dropping to around -3°C (27°F).

Data source: Temperature data for Barrie generated using information from the Copernicus Climate Change Service.

October Precipitation in Barrie

In Barrie in October, the precipitation amount is 104 mm (4.1 in) over a span of 15 days.

October Precipitation Trends in Barrie

The chart displays monthly precipitation patterns in Barrie, 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 Barrie, October typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 15 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Barrie

In Barrie 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 Barrie

This chart illustrates the average monthly humidity levels in Barrie, 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 Barrie is approximately 83%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Barrie

In Barrie 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 Barrie.

Maximum UV Index Levels in Barrie for October

The chart shows the monthly maximum UV Index (UVI) for Barrie 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 Barrie typically reaches 5, which falls under the moderate exposure category.

Data source: Barrie 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 Barrie Compares to Other Months

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

This table compares monthly weather conditions in Barrie, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	62 mm (2.5 inches)	93%	low
February Weather	-5°C (23°F)	68 mm (2.7 inches)	94%	moderate
March Weather	-1°C (30°F)	63 mm (2.5 inches)	87%	moderate
April Weather	5°C (41°F)	107 mm (4.2 inches)	82%	very high
May Weather	12°C (55°F)	90 mm (3.5 inches)	74%	very high
June Weather	18°C (65°F)	100 mm (3.9 inches)	68%	very high
July Weather	21°C (70°F)	98 mm (3.9 inches)	67%	very high
August Weather	20°C (69°F)	115 mm (4.5 inches)	67%	very high
September Weather	16°C (61°F)	85 mm (3.4 inches)	74%	high
October Weather	10°C (50°F)	104 mm (4.1 inches)	83%	moderate
November Weather	2°C (36°F)	87 mm (3.4 inches)	89%	moderate
December Weather	-3°C (27°F)	79 mm (3.1 inches)	91%	low