Port Alberni Weather in December
What's the weather like in Port Alberni (British Columbia) in December 2025?
The climate in Port Alberni during December can be summarized as cool and very wet.
December is in the winter in Port Alberni and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cold 4°C (39°F), whilst at night -1°C (30°F) is normal.
| Daytime temperature | 3.9°C 39°F |
|---|---|
| Nightly temperature | -1.3°C 29.7°F |
| Average temperature | 1.3°C 34.3°F |
| Daily sunshine | 1.2 hrs |
| Avg rainfall | 333 mm 13.1 ins |
| Rainy days | 19 days |
| Sea temperature | 8.4°C 47.2°F |
| Humidity | 88% |
| Windspeed | 16.6kph 10 mph |
On average December is the wettest month of the year in Port Alberni with around 333mm 13.1 inches of rain making it a very wet time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.
On the flip side this corresponds to an average of 1.2 hours of sunshine per day.
December temperatures in Port Alberni
December rainfall
December 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 Port Alberni in December 2025.
Other monthly averages
Best places to visit in December
Port Alberni weather stats
| Hottest month: | August | 22.9°C 73.2°F |
|---|---|---|
| Driest month: | July | 41mm 1.6ins |
| Sunniest month: | August | 8.3hrs |
| Coldest month: | January | 4.1°C 39.4°F |
| Wettest month: | December | 333mm 13.1ins |
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