October is one of the warmer months of the year in Port Alberni, with average highs near 12°C and lows around 6.1°C (mean 9.1°C). It is a relatively wet time of year, averaging 194 mm of rainfall and 88% relative humidity across the period.
October is one of the warmer months of the year in Port Alberni. Across 45 years of records, the warmest October in Port Alberni was 2022 — when the month averaged 12°C — while the coldest was 1984 at 7.1°C. Typical October days reach 12°C with nights near 6.1°C. The long-term trend is warming, about 0.2°C per decade.
October is a relatively wet time of year in Port Alberni, averaging 194 mm of rainfall. The wettest October on record was 2003 with 410 mm, while the driest was 2002 at 30 mm.
Relative humidity in Port Alberni during October averages 88%. The most humid October was 2005 at 94%, and the least humid was 1987 at 80%.
October receives about 2.1 kWh/m²/day of solar energy in Port Alberni. The sunniest October was 2022 at 2.7 kWh/m²/day, and the cloudiest were 2005, 2014 and 2016 at 1.5.
Average wind speed in Port Alberni during October is 0.9 m/s. The windiest Octobers were 1997 and 2016 at 1.2 m/s, while the calmest were 1987, 1993 and 2002 at 0.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 9.0°C | 8.8°C | 8.8°C | 9.4°C | 9.4°C | +0.4°C |
| Avg High | 12.2°C | 11.7°C | 11.8°C | 12.3°C | 12.4°C | +0.2°C |
| Avg Low | 5.9°C | 5.8°C | 5.8°C | 6.5°C | 6.5°C | +0.6°C |
| Avg Rain | 229 mm | 213 mm | 184 mm | 165 mm | 174 mm | -55 mm |
October temperatures in Port Alberni have risen by about 1.3°C between 1981–1985 and 2021–2025.
October has ranged from a record low of -5.1°C (1984) to a record high of 25.8°C (2022).
Rainfall in October is a relatively wet time of year, averaging 194 mm, with a wettest year of 410 mm.
A good time to visit Port Alberni
October is a good time to visit Port Alberni, with days averaging 12°C and nights around 6.1°C (mean 9.1°C, close to Port Alberni's yearly average) and higher rainfall. August and July are marginally more temperate, but October still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 11.7°C | 8.9°C | 6.2°C | 16.8°C | 2.3°C | 208 mm | 89% | 1 m/s | 2 |
| 2024 | 11.1°C | 8.6°C | 6.2°C | 16.1°C | 3.0°C | 225 mm | 92% | 0.9 m/s | 1.8 |
| 2023 | 13.1°C | 10.0°C | 6.8°C | 20.7°C | 0.3°C | 158 mm | 88% | 1 m/s | 2.3 |
| 2022 🔥 | 16.0°C | 12.0°C | 8.0°C | 25.8°C | 2.0°C | 89 mm | 86% | 0.8 m/s | 2.7 |
| 2021 | 10.1°C | 7.7°C | 5.3°C | 12.4°C | 0.8°C | 241 mm | 90% | 1.1 m/s | 1.7 |
| 2020 | 12.4°C | 9.4°C | 6.5°C | 21.1°C | -2.4°C | 123 mm | 89% | 0.9 m/s | 2 |
| 2019 | 10.9°C | 7.9°C | 4.9°C | 16.4°C | -0.5°C | 160 mm | 86% | 0.9 m/s | 2.2 |
| 2018 | 13.0°C | 9.7°C | 6.3°C | 20.4°C | 2.9°C | 111 mm | 87% | 0.9 m/s | 2.4 |
| 2017 | 12.7°C | 9.1°C | 5.6°C | 17.7°C | 0.6°C | 143 mm | 87% | 0.9 m/s | 2.4 |
| 2016 | 10.9°C | 8.9°C | 6.9°C | 13.9°C | 1.7°C | 301 mm | 93% | 1.2 m/s | 1.5 |
| 2015 | 14.3°C | 11.3°C | 8.3°C | 18.3°C | 5.0°C | 114 mm | 89% | 0.9 m/s | 2.1 |
| 2014 | 13.5°C | 11.2°C | 9.0°C | 20.7°C | 5.9°C | 280 mm | 93% | 1 m/s | 1.5 |
| 2013 | 13.1°C | 9.5°C | 5.8°C | 17.6°C | 3.8°C | 36 mm | 86% | 0.8 m/s | 2.3 |
| 2012 | 11.2°C | 8.5°C | 5.8°C | 19.4°C | 1.7°C | 184 mm | 90% | 0.9 m/s | 2 |
| 2011 | 11.5°C | 8.5°C | 5.5°C | 15.3°C | 1.0°C | 117 mm | 89% | 1 m/s | 2.1 |
| 2010 | 12.3°C | 9.7°C | 7.0°C | 18.4°C | 3.0°C | 203 mm | 89% | 1 m/s | 2 |
| 2009 | 11.6°C | 8.4°C | 5.1°C | 15.9°C | 2.1°C | 169 mm | 86% | 1 m/s | 2.1 |
| 2008 | 10.8°C | 8.0°C | 5.2°C | 17.2°C | 1.0°C | 130 mm | 89% | 0.9 m/s | 1.9 |
| 2007 | 10.6°C | 8.0°C | 5.3°C | 17.0°C | 0.9°C | 185 mm | 91% | 1 m/s | 1.8 |
| 2006 | 12.6°C | 8.9°C | 5.2°C | 18.2°C | -2.2°C | 62 mm | 84% | 0.9 m/s | 2.5 |
| 2005 | 11.4°C | 9.2°C | 7.0°C | 15.6°C | 3.7°C | 264 mm | 94% | 1 m/s | 1.5 |
| 2004 | 12.5°C | 9.5°C | 6.6°C | 20.7°C | 1.6°C | 183 mm | 91% | 0.9 m/s | 2 |
| 2003 🌧️ | 12.6°C | 10.0°C | 7.3°C | 20.1°C | -2.5°C | 410 mm | 89% | 1 m/s | 1.9 |
| 2002 | 13.1°C | 9.3°C | 5.4°C | 20.7°C | -0.8°C | 30 mm | 84% | 0.7 m/s | 2.5 |
| 2001 | 10.6°C | 7.9°C | 5.1°C | 20.0°C | 0.9°C | 167 mm | 89% | 1 m/s | 2.1 |
| 2000 | 11.8°C | 8.8°C | 5.9°C | 16.2°C | 3.5°C | 238 mm | 88% | 1 m/s | 2.1 |
| 1999 | 11.9°C | 8.4°C | 4.9°C | 16.9°C | 1.7°C | 192 mm | 86% | 1 m/s | 2.3 |
| 1998 | 12.0°C | 9.5°C | 7.1°C | 17.8°C | 2.8°C | 238 mm | 92% | 1 m/s | 1.8 |
| 1997 | 11.7°C | 9.1°C | 6.6°C | 14.8°C | 2.1°C | 371 mm | 91% | 1.2 m/s | 1.9 |
| 1996 | 11.4°C | 8.2°C | 5.1°C | 19.2°C | 0.4°C | 305 mm | 89% | 1 m/s | 2 |
| 1995 | 11.0°C | 8.6°C | 6.2°C | 14.3°C | -0.4°C | 230 mm | 91% | 1 m/s | 2.1 |
| 1994 | 11.8°C | 8.7°C | 5.6°C | 17.5°C | 1.9°C | 181 mm | 88% | 0.9 m/s | 2.4 |
| 1993 | 14.1°C | 10.6°C | 7.2°C | 21.4°C | 2.3°C | 92 mm | 87% | 0.7 m/s | 2.5 |
| 1992 | 11.7°C | 8.9°C | 6.0°C | 18.8°C | -0.5°C | 226 mm | 90% | 1 m/s | 2.1 |
| 1991 | 11.9°C | 8.4°C | 4.9°C | 20.5°C | -2.9°C | 31 mm | 83% | 0.8 m/s | 2.6 |
| 1990 | 9.7°C | 7.2°C | 4.7°C | 13.3°C | 0.9°C | 261 mm | 92% | 1.1 m/s | 1.9 |
| 1989 | 11.6°C | 8.8°C | 5.9°C | 16.5°C | 1.0°C | 184 mm | 89% | 0.9 m/s | 2.1 |
| 1988 | 13.5°C | 10.3°C | 7.0°C | 20.5°C | 0.8°C | 166 mm | 89% | 0.8 m/s | 2 |
| 1987 | 14.7°C | 10.6°C | 6.5°C | 21.1°C | 2.4°C | 44 mm | 80% | 0.7 m/s | 2.6 |
| 1986 | 14.4°C | 10.9°C | 7.4°C | 19.0°C | 5.0°C | 116 mm | 87% | 0.8 m/s | 2.5 |
| 1985 | 10.0°C | 7.6°C | 5.1°C | 16.4°C | -0.5°C | 334 mm | 90% | 1.1 m/s | 2 |
| 1984 ❄️ | 9.8°C | 7.1°C | 4.5°C | 17.1°C | -5.1°C | 325 mm | 87% | 1.1 m/s | 2.1 |
| 1983 | 11.2°C | 8.0°C | 4.9°C | 14.0°C | 1.1°C | 167 mm | 88% | 0.8 m/s | — |
| 1982 | 12.0°C | 9.0°C | 6.0°C | 23.6°C | 0.9°C | 384 mm | 89% | 1.1 m/s | — |
| 1981 | 12.3°C | 9.0°C | 5.7°C | 17.5°C | 1.9°C | 342 mm | 86% | 0.9 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 12°C with lows near 6.1°C (mean 9.1°C), based on 45 years of NASA POWER data.
October averages 194 mm of rainfall in Port Alberni, a relatively wet time of year. The wettest on record was 410 mm in 2003.
The hottest October reached 25.8°C in 2022. The coldest dipped to -5.1°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 1.3°C. Daytime highs moved from 11.1°C to 12.4°C and overnight lows from 5.2°C to 6.5°C over the same span.
October is one of the warmer months of the year in Port Alberni and a relatively wet time of year, so plan for around 12°C daytime highs and 6.1°C at night.
Not quite — October is the 7th coolest month in Port Alberni, averaging 9.1°C.
For October in Port Alberni, pack warm layers and a jacket for chilly mornings, with typical highs of 12°C and lows of 6.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 88% — quite humid.
Average wind speed in October is 0.9 m/s. The windiest October on record averaged 1.2 m/s (1997).
The wettest October on record was 2003 with 410 mm. On average, October sees 194 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Port Alberni behaves each October, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for October specifically, along with year-by-year records and how the month has changed over the decades.
