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Monthly climate in Port Alberni, British Columbia, Canada

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Port Alberni features a warm-summer Mediterranean climate (Csb).Temperatures typically range between 3 °C (37 °F) and 18 °C (64 °F) through the year, but rarely can drop to -10 °C (15 °F) or can rise to as high as 35 °C (96 °F).The average annual precipitation amounts to about 1906 mm (75.0 inches) and receives 168 rainy days on the 1 mm (0.04 inches) threshold annually.Port Alberni enjoys an average of 2519 hours of sunshine throughout the year, and daylight varies from 8 hours 15 minutes to 16 hours 9 minutes per day.

Monthly average temperatures in Port Alberni, British Columbia, Canada §

The warmest months in Port Alberni are July, August and September, with daily mean temperatures ranging from 14 to 18 °C (58 - 64 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 3 to 4 °C (37 - 39 °F) throughout the day. On average each year, Port Alberni experiences 11 days above 25 °C (77.0 °F) and 26 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Port Alberni, British Columbia, Canada.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 10°C
(50°F)		 10°C
(50°F)		 18°C
(65°F)		 22°C
(72°F)		 25°C
(77°F)		 35°C
(96°F)		 29°C
(85°F)		 32°C
(90°F)		 29°C
(84°F)		 20°C
(68°F)		 14°C
(57°F)		 12°C
(53°F)
Mean maximum 9°C
(49°F)		 9°C
(49°F)		 13°C
(55°F)		 17°C
(63°F)		 22°C
(71°F)		 26°C
(79°F)		 27°C
(80°F)		 29°C
(84°F)		 25°C
(76°F)		 16°C
(62°F)		 13°C
(55°F)		 9°C
(49°F)
Average high 6°C
(42°F)		 5°C
(41°F)		 8°C
(46°F)		 11°C
(52°F)		 15°C
(60°F)		 18°C
(64°F)		 21°C
(70°F)		 22°C
(71°F)		 17°C
(64°F)		 12°C
(54°F)		 8°C
(47°F)		 5°C
(42°F)
Daily mean 4°C
(39°F)		 3°C
(37°F)		 5°C
(41°F)		 8°C
(46°F)		 12°C
(53°F)		 14°C
(58°F)		 17°C
(63°F)		 18°C
(64°F)		 14°C
(58°F)		 9°C
(49°F)		 6°C
(44°F)		 4°C
(39°F)
Average low 2°C
(36°F)		 1°C
(33°F)		 2°C
(36°F)		 4°C
(40°F)		 8°C
(47°F)		 11°C
(52°F)		 13°C
(56°F)		 14°C
(58°F)		 12°C
(54°F)		 7°C
(45°F)		 4°C
(40°F)		 2°C
(36°F)
Mean minimum -4°C
(26°F)		 -4°C
(24°F)		 -2°C
(28°F)		 1°C
(34°F)		 4°C
(39°F)		 7°C
(45°F)		 10°C
(51°F)		 11°C
(52°F)		 8°C
(46°F)		 2°C
(36°F)		 -0°C
(32°F)		 -4°C
(25°F)
Minimum -7°C
(19°F)		 -7°C
(19°F)		 -4°C
(25°F)		 -0°C
(32°F)		 2°C
(35°F)		 6°C
(43°F)		 10°C
(50°F)		 10°C
(50°F)		 7°C
(44°F)		 0°C
(33°F)		 -3°C
(28°F)		 -10°C
(15°F)

Compare climate in Port Alberni with other places

Compare temperature, precipitation, sunshine, UV index in Port Alberni, British Columbia, Canada with other places around the world.

Monthly average precipitation in Port Alberni, British Columbia, Canada §

Port Alberni usually has the most precipitation in January, November and December, with an average of 19 rainy days and 294 mm (11.6 inches) of precipitation per month.The driest months in Port Alberni are May, July and August. On average, 45 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Port Alberni, British Columbia, Canada.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 286 (11.3) 161 (6.4) 160 (6.3) 142 (5.6) 67 (2.6) 67 (2.6) 27 (1.1) 41 (1.6) 157 (6.2) 200 (7.9) 323 (12.7) 274 (10.8)
Average precipitation days (≥ 1 mm) 17 18 16 16 10 12 5 5 13 16 19 21

Monthly sunshine hours in Port Alberni, British Columbia, Canada §

The sunniest months in Port Alberni are June, July and August, when the sun shines an average of 11 hours 4 minutes a day.Least sunny months in Port Alberni: January, November and December receive an average of 2 hours 43 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Port Alberni, British Columbia, Canada.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 65 128 191 222 305 318 365 334 232 170 100 84
Mean daily daylight hours 8h 43m 10h 9m 11h 56m 13h 46m 15h 21m 16h 9m 15h 42m 14h 17m 12h 31m 10h 42m 9h 5m 8h 15m

Solar UV radiation in Port Alberni, British Columbia, Canada §

Port Alberni experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 8 - 9, which corresponds to the Very High category of sun exposure.January, November and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 2. For more detailed information, check out our hourly Port Alberni UV Index data.

Average daily maximum UV levels by month for Port Alberni, British Columbia, Canada.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 2 3 5 6 8 9 9 8 7 5 2 1