Port Alberni (BC) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Port Alberni.
Climate overview of Port Alberni
Port Alberni, British Columbia, Canada, sees big temperature differences between seasons, with August peaking at 22°C (72°F) and December dropping to 6°C (43°F).
Rain/snowfall is high, totalling around 2142 mm (84 in) per year. November is the wettest month and July the driest. The city also experiences a distinct rainy season from October to March, with pleasant summers and cold winters. July is the sunniest month, averaging 11.0 hours of sunshine per day.
Port Alberni Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Port Alberni - and find the best time to visit.
Monthly Temperature in Port Alberni
Visitors to Port Alberni can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a pleasant 22°C (72°F) in August, the warmest time of the year, to a chilly 6°C (43°F) during cooler months like December.
At night, you can expect temperatures ranging from 13°C (55°F) in August to around 1°C (34°F) during December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Port Alberni
Port Alberni is known for its substantial rain/snowfall, with annual precipitation reaching 2142 mm (84 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, November it receives heavy rainfall, averaging 320 mm (13 in) of precipitation, recorded across 19 rainy days. In contrast, the driest month July brings less rainfall, with 44 mm (1.7 in) over 7 rainy days. For more details, please visit our Port Alberni Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Port Alberni
Seasonal changes in sunshine hours are quite dramatic in Port Alberni. While July receives considerable daily sunshine with up to 11.0 hours, December marks the darkest time of the year, where sunshine is scarce with only 2.3 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Port Alberni
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July and August
- Warmest weather: July and August
- Most sunshine: July
- Fewest rainy days: July and August
- Seasonal pattern: A distinct rainy season from October to March, with pleasant summers and cold winters
Frequently asked questions about the climate in Port Alberni
What is the best time to visit Port Alberni?
July and August typically offer the most optimal weather in Port Alberni. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Port Alberni has a distinct rainy season from October to March, with pleasant summers and cold winters.
What temperatures can I expect in Port Alberni?
Daytime highs range from 6°C (43°F) in December to 22°C (72°F) in August. Nighttime lows range from 1°C (34°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does Port Alberni get?
Annual rainfall is around 2142 mm (84 in). November is the wettest month with 320 mm (13 in), while July is the driest with 44 mm (1.7 in).
How sunny is Port Alberni?
Port Alberni receives around 2,215 hours of sunshine per year. July is the sunniest month with 330 hours, while December is the cloudiest with just 68 hours. Overall, Port Alberni enjoys abundant sunshine.
Port Alberni 3-Day Forecast
Port Alberni on the map
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