Lake Cowichan Weather in October
What's the weather like in Lake Cowichan (British Columbia) in October 2025?
The climate in Lake Cowichan during October can be summarized as cool and very wet.
October is in the fall / autumn in Lake Cowichan and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a cool 13°C (55°F), whilst at night 4°C (40°F) is normal.
| Daytime temperature | 12.8°C 55°F |
|---|---|
| Nightly temperature | 4.2°C 39.6°F |
| Average temperature | 8.5°C 47.3°F |
| Daily sunshine | 4 hrs |
| Avg rainfall | 256 mm 10.1 ins |
| Rainy days | 17 days |
| Sea temperature | 11.5°C 52.8°F |
| Humidity | 86% |
| Windspeed | 12.2kph 8 mph |
On average October is the 5th wettest month of the year in Lake Cowichan with around 256mm 10.1 inches of rain making it a very wet time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 4 hours of sunshine per day.
October temperatures in Lake Cowichan
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 Lake Cowichan in October 2025.
Other monthly averages
Best places to visit in October
Lake Cowichan weather stats
| Hottest month: | August | 21.8°C 71.2°F |
|---|---|---|
| Driest month: | July | 51mm 2ins |
| Sunniest month: | August | 7.7hrs |
| Coldest month: | January | 4°C 39.2°F |
| Wettest month: | December | 378mm 14.9ins |
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