March is one of the cooler months of the year in Port Alberni, with average highs near 7.5°C and lows around 1.9°C (mean 4.7°C). It is a relatively wet time of year, averaging 190 mm of rainfall and 88% relative humidity across the period.
March is one of the cooler months of the year in Port Alberni. Across 45 years of records, the warmest March in Port Alberni was 1992 — when the month averaged 8.2°C — while the coldest were 2002 and 2009 at 2.6°C. Typical March days reach 7.5°C with nights near 1.9°C. The long-term trend is cooling, about 0.2°C per decade.
March is a relatively wet time of year in Port Alberni, averaging 190 mm of rainfall. The wettest March on record was 1997 with 398 mm, while the driest was 1992 at 37 mm.
Relative humidity in Port Alberni during March averages 88%. The most humid March was 2025 at 93%, and the least humid was 2019 at 80%.
March receives about 2.6 kWh/m²/day of solar energy in Port Alberni. The sunniest March was 2019 at 3.6 kWh/m²/day, and the cloudiest were 2011 and 2017 at 2.2.
Average wind speed in Port Alberni during March is 1 m/s. The windiest Marchs were 2006, 2011 and 2016, among others at 1.2 m/s, while the calmest was 1992 at 0.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 4.9°C | 5.1°C | 4.3°C | 4.7°C | 4.5°C | -0.4°C |
| Avg High | 7.8°C | 8.1°C | 6.9°C | 7.4°C | 7.2°C | -0.6°C |
| Avg Low | 2.0°C | 2.1°C | 1.6°C | 2.1°C | 1.8°C | -0.2°C |
| Avg Rain | 223 mm | 193 mm | 193 mm | 184 mm | 138 mm | -85 mm |
March temperatures in Port Alberni have fallen by about 0.4°C between 1981–1985 and 2021–2025.
March has ranged from a record low of -7.3°C (1989) to a record high of 19.2°C (2016).
Rainfall in March is a relatively wet time of year, averaging 190 mm, with a wettest year of 398 mm.
A good time to visit Port Alberni
March is a good time to visit Port Alberni, with days averaging 7.5°C and nights around 1.9°C (mean 4.7°C, cooler than Port Alberni's yearly average) and higher rainfall. August and July are marginally more temperate, but March still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 7.0°C | 4.9°C | 2.7°C | 14.0°C | -1.4°C | 268 mm | 93% | 1 m/s | 2.3 |
| 2024 | 8.3°C | 5.3°C | 2.3°C | 17.5°C | -1.9°C | 146 mm | 87% | 1 m/s | 2.9 |
| 2023 | 6.4°C | 3.7°C | 1.1°C | 12.4°C | -0.9°C | 75 mm | 88% | 1 m/s | 2.8 |
| 2022 | 7.7°C | 5.1°C | 2.5°C | 13.5°C | -1.3°C | 127 mm | 90% | 0.9 m/s | 2.6 |
| 2021 | 6.9°C | 4.0°C | 1.2°C | 10.8°C | -2.7°C | 118 mm | 87% | 1.1 m/s | 2.9 |
| 2020 | 6.7°C | 3.8°C | 0.9°C | 12.4°C | -4.4°C | 92 mm | 85% | 1 m/s | 3.3 |
| 2019 | 9.3°C | 5.3°C | 1.4°C | 17.7°C | -3.7°C | 44 mm | 80% | 0.9 m/s | 3.6 |
| 2018 | 7.1°C | 4.3°C | 1.5°C | 13.4°C | -0.6°C | 87 mm | 87% | 0.9 m/s | 3 |
| 2017 | 5.7°C | 3.7°C | 1.8°C | 11.3°C | -2.6°C | 249 mm | 93% | 1.1 m/s | 2.2 |
| 2016 | 8.7°C | 6.0°C | 3.3°C | 19.2°C | -0.9°C | 261 mm | 88% | 1.2 m/s | 2.6 |
| 2015 | 9.6°C | 7.0°C | 4.4°C | 13.8°C | 0.0°C | 200 mm | 89% | 0.9 m/s | 2.6 |
| 2014 | 7.4°C | 4.8°C | 2.2°C | 11.5°C | -0.7°C | 192 mm | 89% | 1 m/s | 2.5 |
| 2013 | 7.8°C | 5.0°C | 2.1°C | 17.0°C | -2.1°C | 145 mm | 87% | 0.9 m/s | 2.8 |
| 2012 | 5.1°C | 2.7°C | 0.4°C | 13.3°C | -4.2°C | 226 mm | 90% | 1.1 m/s | 2.5 |
| 2011 | 5.8°C | 3.8°C | 1.8°C | 10.1°C | -2.3°C | 263 mm | 92% | 1.2 m/s | 2.2 |
| 2010 | 7.5°C | 4.8°C | 2.2°C | 12.1°C | -3.1°C | 172 mm | 88% | 1.1 m/s | 2.5 |
| 2009 | 5.4°C | 2.6°C | -0.1°C | 8.8°C | -6.2°C | 144 mm | 85% | 1.1 m/s | 2.8 |
| 2008 | 5.6°C | 3.0°C | 0.4°C | 9.1°C | -1.8°C | 137 mm | 88% | 1 m/s | 2.6 |
| 2007 | 6.7°C | 4.6°C | 2.5°C | 9.9°C | -3.4°C | 262 mm | 91% | 1 m/s | 2.3 |
| 2006 | 6.5°C | 3.9°C | 1.4°C | 10.6°C | -1.7°C | 217 mm | 89% | 1.2 m/s | 2.4 |
| 2005 | 9.6°C | 6.6°C | 3.5°C | 16.3°C | 0.2°C | 200 mm | 88% | 1 m/s | 2.9 |
| 2004 | 8.5°C | 5.7°C | 2.8°C | 14.6°C | -0.4°C | 159 mm | 88% | 1 m/s | 2.8 |
| 2003 | 6.9°C | 4.7°C | 2.4°C | 9.5°C | -2.5°C | 293 mm | 91% | 1.2 m/s | 2.3 |
| 2002 ❄️ | 5.1°C | 2.6°C | 0.1°C | 9.3°C | -4.9°C | 154 mm | 87% | 1 m/s | 2.4 |
| 2001 | 7.7°C | 4.5°C | 1.4°C | 14.3°C | -1.1°C | 161 mm | 89% | 1 m/s | 2.6 |
| 2000 | 6.7°C | 4.4°C | 2.0°C | 12.5°C | -1.8°C | 206 mm | 89% | 1 m/s | 2.7 |
| 1999 | 5.6°C | 3.3°C | 1.0°C | 15.7°C | -2.4°C | 286 mm | 90% | 1.2 m/s | 2.4 |
| 1998 | 8.4°C | 5.6°C | 2.8°C | 12.8°C | -0.6°C | 156 mm | 85% | 1 m/s | 2.6 |
| 1997 🌧️ | 5.8°C | 3.7°C | 1.6°C | 9.6°C | -3.0°C | 398 mm | 91% | 1.2 m/s | 2.3 |
| 1996 | 8.3°C | 5.2°C | 2.0°C | 13.1°C | -2.9°C | 141 mm | 83% | 1 m/s | 2.9 |
| 1995 | 8.1°C | 5.1°C | 2.1°C | 15.1°C | -2.8°C | 241 mm | 84% | 1.1 m/s | 2.7 |
| 1994 | 9.1°C | 5.8°C | 2.4°C | 18.9°C | -2.4°C | 192 mm | 84% | 1 m/s | 2.6 |
| 1993 | 8.1°C | 5.2°C | 2.3°C | 11.4°C | -0.6°C | 290 mm | 85% | 1.1 m/s | 2.5 |
| 1992 🔥 | 12.3°C | 8.2°C | 4.2°C | 16.2°C | 0.1°C | 37 mm | 81% | 0.8 m/s | 3.2 |
| 1991 | 6.5°C | 3.5°C | 0.4°C | 13.7°C | -3.5°C | 77 mm | 85% | 1 m/s | 2.8 |
| 1990 | 8.6°C | 5.4°C | 2.2°C | 15.1°C | -1.3°C | 109 mm | 85% | 0.9 m/s | 2.9 |
| 1989 | 5.2°C | 2.9°C | 0.5°C | 9.6°C | -7.3°C | 246 mm | 90% | 1.1 m/s | 2.4 |
| 1988 | 7.6°C | 4.6°C | 1.7°C | 12.8°C | -1.5°C | 252 mm | 87% | 1.1 m/s | 2.3 |
| 1987 | 8.7°C | 5.9°C | 3.1°C | 15.7°C | -0.2°C | 271 mm | 87% | 1 m/s | 2.6 |
| 1986 | 8.6°C | 6.0°C | 3.5°C | 12.7°C | 1.1°C | 309 mm | 90% | 1 m/s | 2.4 |
| 1985 | 6.2°C | 3.3°C | 0.3°C | 10.3°C | -2.4°C | 162 mm | 87% | 1 m/s | 2.8 |
| 1984 | 8.8°C | 6.0°C | 3.1°C | 14.3°C | 0.0°C | 201 mm | 89% | 0.9 m/s | 2.6 |
| 1983 | 9.0°C | 6.1°C | 3.2°C | 13.7°C | 0.0°C | 237 mm | 87% | 1.1 m/s | — |
| 1982 | 6.7°C | 3.7°C | 0.6°C | 12.2°C | -1.5°C | 149 mm | 85% | 0.9 m/s | — |
| 1981 | 9.4°C | 5.9°C | 2.4°C | 14.1°C | -1.5°C | 176 mm | 84% | 1 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 7.5°C with lows near 1.9°C (mean 4.7°C), based on 45 years of NASA POWER data.
March averages 190 mm of rainfall in Port Alberni, a relatively wet time of year. The wettest on record was 398 mm in 1997.
The hottest March reached 19.2°C in 2016. The coldest dipped to -7.3°C in 1989.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have fallen by about 0.4°C — but days and nights have moved in opposite directions. Overnight lows rose from 1.9°C to 2°C while daytime highs eased from 8°C to 7.3°C, narrowing the gap between day and night.
March is one of the cooler months of the year in Port Alberni and a relatively wet time of year, so plan for around 7.5°C daytime highs and 1.9°C at night.
Not quite — March is the 4th coolest month in Port Alberni, averaging 4.7°C.
For March in Port Alberni, pack warm layers and a jacket for chilly mornings, with typical highs of 7.5°C and lows of 1.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 88% — quite humid.
Average wind speed in March is 1 m/s. The windiest March on record averaged 1.2 m/s (1997).
The wettest March on record was 1997 with 398 mm. On average, March sees 190 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 March, 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 March specifically, along with year-by-year records and how the month has changed over the decades.
