April is one of the cooler months of the year in Port Alberni, with average highs near 10.1°C and lows around 3.4°C (mean 6.8°C). It is one of the drier months, averaging 128 mm of rainfall and 84% relative humidity across the period.
April is one of the cooler months of the year in Port Alberni. Across 45 years of records, the warmest April in Port Alberni was 2016 — when the month averaged 9.5°C — while the coldest was 2011 at 4.3°C. Typical April days reach 10.1°C with nights near 3.4°C. The long-term April temperature trend is broadly flat.
April is one of the drier months in Port Alberni, averaging 128 mm of rainfall. The wettest April on record was 1996 with 309 mm, while the driest was 2004 at 36 mm.
Relative humidity in Port Alberni during April averages 84%. The most humid April was 1993 at 89%, and the least humid was 2004 at 77%.
April receives about 4 kWh/m²/day of solar energy in Port Alberni. The sunniest April was 2004 at 5 kWh/m²/day, and the cloudiest was 1996 at 3.3.
Average wind speed in Port Alberni during April is 0.9 m/s. The windiest Aprils were 1996, 2010 and 2017, among others at 1.1 m/s, while the calmest were 2009, 2020 and 2021, among others at 0.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 6.4°C | 7.1°C | 6.7°C | 6.8°C | 6.6°C | +0.2°C |
| Avg High | 9.8°C | 10.4°C | 10.1°C | 10.0°C | 10.2°C | +0.4°C |
| Avg Low | 3.0°C | 3.8°C | 3.3°C | 3.6°C | 3.1°C | +0.1°C |
| Avg Rain | 156 mm | 143 mm | 114 mm | 127 mm | 90 mm | -65 mm |
April temperatures in Port Alberni have risen by about 0.5°C between 1981–1985 and 2021–2025.
April has ranged from a record low of -2.1°C (2008) to a record high of 24.3°C (1998).
Rainfall in April is one of the drier months, averaging 128 mm, with a wettest year of 309 mm.
A good time to visit Port Alberni
April is a good time to visit Port Alberni, with days averaging 10.1°C and nights around 3.4°C (mean 6.8°C, cooler than Port Alberni's yearly average) and higher rainfall. August and July are marginally more temperate, but April still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 12.3°C | 8.1°C | 3.9°C | 18.4°C | 0.2°C | 62 mm | 81% | 0.9 m/s | 4.8 |
| 2024 | 10.2°C | 6.4°C | 2.7°C | 14.3°C | -0.8°C | 74 mm | 81% | 0.9 m/s | 4.5 |
| 2023 | 8.0°C | 5.4°C | 2.7°C | 19.5°C | -0.7°C | 178 mm | 89% | 1 m/s | 3.6 |
| 2022 | 7.5°C | 4.7°C | 1.9°C | 12.9°C | -0.8°C | 138 mm | 85% | 1 m/s | 3.6 |
| 2021 | 11.5°C | 7.4°C | 3.4°C | 21.5°C | -1.4°C | 37 mm | 79% | 0.8 m/s | 4.9 |
| 2020 | 11.5°C | 7.8°C | 4.0°C | 17.2°C | -0.4°C | 52 mm | 81% | 0.8 m/s | 4.6 |
| 2019 | 10.9°C | 7.3°C | 3.6°C | 15.6°C | 0.1°C | 131 mm | 84% | 1 m/s | 4 |
| 2018 | 10.1°C | 7.1°C | 4.0°C | 22.9°C | -1.8°C | 178 mm | 86% | 1 m/s | 3.8 |
| 2017 | 9.3°C | 6.6°C | 3.8°C | 13.8°C | 0.8°C | 182 mm | 87% | 1.1 m/s | 3.5 |
| 2016 🔥 | 13.0°C | 9.5°C | 6.0°C | 22.9°C | 3.1°C | 56 mm | 83% | 0.9 m/s | 4.2 |
| 2015 | 10.2°C | 6.8°C | 3.4°C | 17.9°C | 1.2°C | 95 mm | 83% | 0.9 m/s | 4.1 |
| 2014 | 10.1°C | 7.1°C | 4.0°C | 20.0°C | 1.5°C | 127 mm | 87% | 1 m/s | 3.9 |
| 2013 | 10.1°C | 6.7°C | 3.4°C | 15.9°C | -0.3°C | 95 mm | 83% | 0.9 m/s | 4.2 |
| 2012 | 9.3°C | 6.5°C | 3.7°C | 14.1°C | 0.2°C | 140 mm | 87% | 0.9 m/s | 3.6 |
| 2011 ❄️ | 7.4°C | 4.3°C | 1.3°C | 13.2°C | -1.4°C | 122 mm | 85% | 1 m/s | 3.9 |
| 2010 | 9.4°C | 6.2°C | 3.1°C | 15.1°C | -1.0°C | 144 mm | 85% | 1.1 m/s | 3.8 |
| 2009 | 10.1°C | 6.3°C | 2.5°C | 16.0°C | -2.1°C | 52 mm | 81% | 0.8 m/s | 4.7 |
| 2008 | 7.8°C | 4.6°C | 1.3°C | 15.0°C | -2.1°C | 46 mm | 83% | 0.9 m/s | 3.9 |
| 2007 | 8.9°C | 6.0°C | 3.0°C | 15.4°C | -1.5°C | 135 mm | 86% | 1 m/s | 3.6 |
| 2006 | 10.0°C | 6.7°C | 3.5°C | 18.6°C | -0.6°C | 104 mm | 85% | 1 m/s | 3.8 |
| 2005 | 11.0°C | 7.7°C | 4.5°C | 21.2°C | 0.6°C | 210 mm | 86% | 1 m/s | 4.1 |
| 2004 | 13.6°C | 9.0°C | 4.5°C | 22.1°C | 0.8°C | 36 mm | 77% | 0.8 m/s | 5 |
| 2003 | 9.2°C | 6.3°C | 3.4°C | 16.2°C | 0.1°C | 185 mm | 87% | 1 m/s | 3.5 |
| 2002 | 10.7°C | 6.9°C | 3.0°C | 19.3°C | -1.8°C | 111 mm | 83% | 0.8 m/s | 4.4 |
| 2001 | 9.4°C | 6.3°C | 3.2°C | 17.6°C | -0.6°C | 128 mm | 83% | 0.9 m/s | 3.9 |
| 2000 | 10.4°C | 7.0°C | 3.6°C | 17.7°C | 0.2°C | 130 mm | 85% | 0.9 m/s | 4 |
| 1999 | 9.8°C | 6.0°C | 2.2°C | 17.2°C | -0.4°C | 88 mm | 79% | 0.9 m/s | 4.5 |
| 1998 | 11.0°C | 7.3°C | 3.5°C | 24.3°C | 0.1°C | 50 mm | 79% | 0.8 m/s | 4.3 |
| 1997 | 10.1°C | 6.6°C | 3.2°C | 13.6°C | -1.0°C | 191 mm | 83% | 1 m/s | 4 |
| 1996 🌧️ | 9.7°C | 7.2°C | 4.6°C | 14.1°C | -0.4°C | 309 mm | 89% | 1.1 m/s | 3.3 |
| 1995 | 10.8°C | 7.3°C | 3.8°C | 17.8°C | 0.5°C | 88 mm | 82% | 0.9 m/s | 4.3 |
| 1994 | 10.8°C | 7.8°C | 4.7°C | 16.7°C | 1.0°C | 100 mm | 87% | 0.9 m/s | 3.5 |
| 1993 | 9.0°C | 6.6°C | 4.2°C | 13.4°C | 1.7°C | 241 mm | 89% | 1.1 m/s | 3.5 |
| 1992 | 11.0°C | 7.7°C | 4.3°C | 19.5°C | 1.2°C | 152 mm | 83% | 0.9 m/s | 3.7 |
| 1991 | 10.5°C | 6.7°C | 2.9°C | 19.6°C | -0.9°C | 131 mm | 81% | 0.9 m/s | 4.3 |
| 1990 | 11.7°C | 8.2°C | 4.6°C | 17.1°C | 1.5°C | 80 mm | 83% | 0.8 m/s | 4 |
| 1989 | 12.6°C | 8.5°C | 4.3°C | 21.2°C | 1.0°C | 136 mm | 80% | 0.9 m/s | 4.1 |
| 1988 | 10.8°C | 7.1°C | 3.5°C | 17.9°C | 0.5°C | 160 mm | 84% | 0.9 m/s | 3.5 |
| 1987 | 10.5°C | 7.2°C | 3.9°C | 18.4°C | -0.2°C | 115 mm | 84% | 0.9 m/s | 3.7 |
| 1986 | 8.6°C | 5.5°C | 2.5°C | 17.2°C | -1.0°C | 138 mm | 86% | 1 m/s | 3.8 |
| 1985 | 8.9°C | 5.8°C | 2.7°C | 17.1°C | 0.1°C | 131 mm | 85% | 0.9 m/s | 3.7 |
| 1984 | 8.6°C | 5.5°C | 2.4°C | 15.3°C | -1.4°C | 207 mm | 86% | 1.1 m/s | 3.6 |
| 1983 | 11.7°C | 7.6°C | 3.6°C | 18.3°C | -0.4°C | 69 mm | 77% | 0.8 m/s | — |
| 1982 | 8.1°C | 4.7°C | 1.4°C | 15.3°C | -1.3°C | 153 mm | 82% | 1 m/s | — |
| 1981 | 8.8°C | 5.8°C | 2.8°C | 15.8°C | -0.4°C | 292 mm | 87% | 1 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 10.1°C with lows near 3.4°C (mean 6.8°C), based on 45 years of NASA POWER data.
April averages 128 mm of rainfall in Port Alberni, one of the drier months. The wettest on record was 309 mm in 1996.
The hottest April reached 24.3°C in 1998. The coldest dipped to -2.1°C in 2008.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 0.5°C. Daytime highs moved from 9.2°C to 9.9°C and overnight lows from 2.6°C to 2.9°C over the same span.
April is one of the cooler months of the year in Port Alberni and one of the drier months, so plan for around 10.1°C daytime highs and 3.4°C at night.
Not quite — April is the 6th coolest month in Port Alberni, averaging 6.8°C.
For April in Port Alberni, pack warm layers and a jacket for chilly mornings, with typical highs of 10.1°C and lows of 3.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 84% — quite humid.
Average wind speed in April is 0.9 m/s. The windiest April on record averaged 1.1 m/s (1984).
The wettest April on record was 1996 with 309 mm. On average, April sees 128 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 April, 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 April specifically, along with year-by-year records and how the month has changed over the decades.
