November Weather in Ontario, United States

Last updated: June 24, 2025

In November, the average temperature in Ontario, United States hovers around 16°C (61°F). Expect a variation with minimums dipping to 4°C (40°F) and maximums soaring up to 33°C (91°F). During this month, expect about 26 mm (1.0 in) of precipitation spread over 2 days, accompanied by an average humidity of 68%.

November Temperature in Ontario

In November in Ontario, the average temperature is 16°C (61°F). Maximum temperatures can reach 33°C (91°F) while minimum temperatures can drop as low as 4°C (40°F). Be sure to pack layers to stay comfortable throughout the day!

November Weather in Ontario: Daily Temperature Highs, Lows, and Averages

The chart illustrates November temperature patterns in Ontario, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ontario, November typically has an average temperature of 16°C (61°F), with highs reaching up to 33°C (91°F) and lows dropping to around 4°C (40°F).

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

November Precipitation in Ontario

In Ontario in November, the precipitation amount is 26 mm (1.0 in) over the course of 2 days.

November Precipitation Trends in Ontario

The chart displays monthly precipitation patterns in Ontario, with values for each month alongside November’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how November’s conditions compare to those of other months. In Ontario, November typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 2 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

November Humidity in Ontario

In Ontario in November, humidity is 68%. With an average temperature of 16°C (61°F), this humidity feels like a warm embrace that sometimes becomes stifling, making outdoor activities slightly uncomfortable and prompting travelers to seek shade or cool breezes more frequently.

November Average Humidity in Ontario

This chart illustrates the average monthly humidity levels in Ontario, with November’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In November, average humidity in Ontario is approximately 68%, offering insight into how humid the weather typically is during this month.

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

November UV Index in Ontario

In Ontario in November, 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 Ontario.

Maximum UV Index Levels in Ontario for November

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

Data source: Ontario November 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 November Weather in Ontario Compares to Other Months

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

This table compares monthly weather conditions in Ontario, showing how November’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (54°F)	80 mm (3.1 inches)	74%	moderate
February Weather	12°C (55°F)	70 mm (2.8 inches)	79%	high
March Weather	14°C (57°F)	76 mm (3.0 inches)	75%	very high
April Weather	16°C (62°F)	27 mm (1.1 inches)	70%	very high
May Weather	18°C (64°F)	17 mm (0.7 inches)	70%	very high
June Weather	21°C (70°F)	1 mm (0.0 inches)	72%	extreme
July Weather	24°C (76°F)	1 mm (0.1 inches)	73%	extreme
August Weather	25°C (77°F)	2 mm (0.1 inches)	69%	very high
September Weather	23°C (74°F)	3 mm (0.1 inches)	68%	very high
October Weather	20°C (68°F)	12 mm (0.5 inches)	67%	high
November Weather	16°C (61°F)	26 mm (1.0 inches)	68%	moderate
December Weather	12°C (54°F)	79 mm (3.1 inches)	71%	moderate