November weather forecast
Thunder Bay, Canada

November in Thunder Bay marks a definite transition from autumn to winter. As temperatures drop and snowfall increases to 265mm (10.43"), winter begins to set in. The diminishing daylight hours add a crisp chill to the air. With the arrival of the first significant snow, winter activities begin to take root.

Temperature

November is characterized by a clear drop in the average high-temperature, falling from October's frosty 9.9°C (49.8°F) to a cold 1.4°C (34.5°F). Thunder Bay in November anticipates an average nighttime temperature of -7.7°C (18.1°F).

Rainfall

In Thunder Bay, in November, during 4.7 rainfall days, 31mm (1.22") of precipitation is typically accumulated. In Thunder Bay, Canada, during the entire year, the rain falls for 92.6 days and collects up to 547mm (21.54") of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In Thunder Bay, Canada, during November, snow falls for 9.7 days and regularly aggregates up to 265mm (10.43") of snow. Throughout the year, in Thunder Bay, there are 62.7 snowfall days, and 1631mm (64.21") of snow is accumulated.

Sea temperature

In November, the average sea temperature in Thunder Bay, Canada, is 5°C (41°F).
Note: Staying in 5°C (41°F) waters for just a few moments at 13°C (55.4°F) can be harrowing, and below 10°C (50°F) poses breathing and cold shock risks, depending on individual tolerance.

Daylight

The average length of the day in November is 9h and 14min.
On the first day of the month, sunrise is at 8:43 am and sunset at 6:37 pm EDT. On the last day of November, sunrise is at 8:26 am and sunset at 5:05 pm EST.
Note: On Sunday, 03. November 2024, at 2:00 am, Daylight Saving Time ends, and the time zone changes from EDT to EST. Daylight Saving Time starts again on Sunday, 09. March 2025, at 2:00 am; consequently, the time zone reverts from EST to EDT.

Sunshine

November and December, with an average of 2.9h of sunshine, are months with the least sunshine in Thunder Bay.

UV index

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.
Note: In November, an average UV index of 1 transforms into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.