Thunder Bay Weather in October
What's the weather like in Thunder Bay (Ontario) in October 2024?
The climate in Thunder Bay during October can be summarized as cool and reasonably dry.
October is in the fall / autumn in Thunder Bay and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a cool 10°C (51°F), whilst at night 1°C (33°F) is normal.
| Daytime temperature | 10.4°C 50.6°F |
|---|---|
| Nightly temperature | 0.5°C 32.8°F |
| Average temperature | 5.4°C 41.7°F |
| Daily sunshine | 4.4 hrs |
| Avg rainfall | 60 mm 2.4 ins |
| Rainy days | 11 days |
| Sea temperature | 8.3°C 46.9°F |
| Humidity | 76% |
| Windspeed | 13.3kph 8 mph |
On average October is the 6th wettest month of the year in Thunder Bay with around 60mm 2.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.4 hours of sunshine per day.
October temperatures in Thunder Bay
October rainfall
October hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Thunder Bay in October 2024.
Other monthly averages
Best places to visit in October
Thunder Bay weather stats
| Hottest month: | July | 23.4°C 74.1°F |
|---|---|---|
| Driest month: | February | 27mm 1.1ins |
| Sunniest month: | July | 10.3hrs |
| Coldest month: | January | -9.5°C 14.9°F |
| Wettest month: | August | 88mm 3.5ins |
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