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 January 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. 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 January.

At night, you can expect temperatures ranging from 13°C (55°F) in August to around 1°C (34°F) during January.

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

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

Data from: Ucluelet, Canada (61 KM, 38 Miles).

Daily hours of sunshine

Data from: Ucluelet, Canada (61 KM, 38 Miles).

Best Time to Visit Port Alberni

During June, July, August and September, Port Alberni experiences its most favorable weather, with temperatures between 18°C (65°F) and 22°C (71°F). These mild conditions make it an excellent time for a visit.

The weather does bring rainfall during this period, between 44 mm (1.7 in) and 103 mm (4.1 in).

Plan accordingly for January, February, March, April, October, November and December, when conditions bring the heaviest precipitation.

Need help choosing your next travel destination? We offer a specialized tool that matches you with locations based on your weather preferences. Explore destinations that suit your climate preferences.

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.

What temperatures can I expect in Port Alberni?

Daytime highs range from 6°C (43°F) in January 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 (BC) 3-Day Forecast

Port Alberni on the map

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