August is one of the warmer months of the year in Powell River, with average highs near 20.6°C and lows around 12.6°C (mean 16.6°C). It is one of the drier months, averaging 57 mm of rainfall and 77% relative humidity across the period.
August is one of the warmer months of the year in Powell River. Across 45 years of records, the warmest August in Powell River was 2022 — when the month averaged 19.3°C — while the coldest was 1995 at 13.6°C. Typical August days reach 20.6°C with nights near 12.6°C. The long-term trend is warming, about 0.5°C per decade.
August is one of the drier months in Powell River, averaging 57 mm of rainfall. The wettest August on record was 1991 with 204 mm, while the driest was 1986 at 11 mm.
Relative humidity in Powell River during August averages 77%. The most humid August was 2013 at 82%, and the least humid was 2018 at 73%.
August receives about 5.2 kWh/m²/day of solar energy in Powell River. The sunniest August was 2006 at 6 kWh/m²/day, and the cloudiest was 1984 at 4.3.
Average wind speed in Powell River during August is 0.6 m/s. The windiest Augusts were 2008 and 2020 at 0.8 m/s, while the calmest was 1989 at 0.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 15.8°C | 16.3°C | 16.3°C | 17.4°C | 17.7°C | +1.9°C |
| Avg High | 19.9°C | 20.1°C | 20.3°C | 21.4°C | 21.9°C | +2°C |
| Avg Low | 11.8°C | 12.5°C | 12.3°C | 13.4°C | 13.6°C | +1.8°C |
| Avg Rain | 36 mm | 72 mm | 56 mm | 57 mm | 65 mm | +29 mm |
August temperatures in Powell River have risen by about 2.5°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 6.6°C (2008) to a record high of 34.5°C (1981).
Rainfall in August is one of the drier months, averaging 57 mm, with a wettest year of 204 mm.
One of the best times to visit Powell River
August is one of the best times to visit Powell River. Expect days averaging 20.6°C and nights around 12.6°C (mean 16.6°C) — warmer than Powell River's yearly average — with moderate rainfall (57 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 22.0°C | 17.8°C | 13.6°C | 31.9°C | 9.6°C | 96 mm | 80% | 0.7 m/s | 5.3 |
| 2024 | 22.0°C | 18.1°C | 14.2°C | 28.5°C | 8.7°C | 72 mm | 77% | 0.6 m/s | 4.9 |
| 2023 | 22.7°C | 18.1°C | 13.5°C | 29.9°C | 9.7°C | 56 mm | 75% | 0.6 m/s | 5.3 |
| 2022 🔥 | 23.8°C | 19.3°C | 14.8°C | 31.5°C | 10.7°C | 30 mm | 75% | 0.6 m/s | 5.6 |
| 2021 | 21.6°C | 17.5°C | 13.4°C | 33.1°C | 7.2°C | 40 mm | 77% | 0.7 m/s | 5.4 |
| 2020 | 19.3°C | 15.6°C | 11.9°C | 26.4°C | 8.7°C | 96 mm | 78% | 0.8 m/s | 5.2 |
| 2019 | 21.1°C | 17.3°C | 13.5°C | 27.8°C | 9.7°C | 83 mm | 77% | 0.7 m/s | 5 |
| 2018 | 22.5°C | 18.4°C | 14.2°C | 29.8°C | 8.6°C | 39 mm | 73% | 0.6 m/s | 5.5 |
| 2017 | 22.9°C | 18.6°C | 14.3°C | 30.2°C | 9.6°C | 22 mm | 74% | 0.6 m/s | 5.7 |
| 2016 | 21.3°C | 17.2°C | 13.0°C | 29.4°C | 9.9°C | 64 mm | 79% | 0.7 m/s | 5.3 |
| 2015 | 20.6°C | 16.8°C | 12.9°C | 27.9°C | 9.8°C | 109 mm | 76% | 0.7 m/s | 5.3 |
| 2014 | 22.6°C | 18.4°C | 14.3°C | 29.3°C | 10.7°C | 40 mm | 77% | 0.6 m/s | 5.5 |
| 2013 | 20.4°C | 17.0°C | 13.5°C | 25.6°C | 9.8°C | 118 mm | 82% | 0.7 m/s | 4.5 |
| 2012 | 21.6°C | 17.4°C | 13.2°C | 31.4°C | 8.9°C | 20 mm | 75% | 0.7 m/s | 5.2 |
| 2011 | 19.8°C | 15.9°C | 12.1°C | 25.8°C | 8.9°C | 33 mm | 77% | 0.7 m/s | 5.4 |
| 2010 | 20.7°C | 16.7°C | 12.7°C | 29.8°C | 6.9°C | 37 mm | 74% | 0.7 m/s | 5.5 |
| 2009 | 20.4°C | 16.6°C | 12.7°C | 29.8°C | 9.6°C | 35 mm | 77% | 0.6 m/s | 5.1 |
| 2008 | 19.9°C | 15.8°C | 11.7°C | 30.9°C | 6.6°C | 122 mm | 78% | 0.8 m/s | 4.8 |
| 2007 | 19.4°C | 15.7°C | 12.0°C | 28.0°C | 9.7°C | 49 mm | 77% | 0.7 m/s | 4.8 |
| 2006 | 20.0°C | 15.7°C | 11.4°C | 26.0°C | 8.0°C | 14 mm | 77% | 0.6 m/s | 6 |
| 2005 | 21.5°C | 17.3°C | 13.0°C | 29.4°C | 8.9°C | 48 mm | 76% | 0.6 m/s | 5.7 |
| 2004 | 21.8°C | 18.0°C | 14.3°C | 29.6°C | 11.8°C | 96 mm | 76% | 0.6 m/s | 4.9 |
| 2003 | 20.8°C | 16.6°C | 12.5°C | 26.8°C | 8.9°C | 14 mm | 74% | 0.6 m/s | 5.6 |
| 2002 | 20.8°C | 16.5°C | 12.1°C | 26.3°C | 9.3°C | 22 mm | 76% | 0.6 m/s | 5.6 |
| 2001 | 19.3°C | 15.7°C | 12.2°C | 27.6°C | 9.5°C | 123 mm | 81% | 0.7 m/s | 4.5 |
| 2000 | 18.7°C | 14.9°C | 11.2°C | 25.8°C | 8.0°C | 41 mm | 79% | 0.6 m/s | 5.2 |
| 1999 | 20.2°C | 16.6°C | 13.0°C | 26.0°C | 7.1°C | 81 mm | 79% | 0.7 m/s | 5 |
| 1998 | 20.8°C | 16.9°C | 12.9°C | 26.3°C | 10.2°C | 20 mm | 76% | 0.6 m/s | 5.5 |
| 1997 | 21.2°C | 17.4°C | 13.6°C | 30.3°C | 10.6°C | 81 mm | 77% | 0.6 m/s | 5.1 |
| 1996 | 20.1°C | 16.0°C | 11.9°C | 29.2°C | 8.4°C | 55 mm | 77% | 0.6 m/s | 4.8 |
| 1995 ❄️ | 16.8°C | 13.6°C | 10.5°C | 23.0°C | 8.5°C | 83 mm | 80% | 0.7 m/s | 4.6 |
| 1994 | 20.2°C | 16.5°C | 12.8°C | 25.1°C | 9.4°C | 58 mm | 74% | 0.7 m/s | 4.7 |
| 1993 | 20.7°C | 16.4°C | 12.2°C | 30.9°C | 7.5°C | 64 mm | 76% | 0.6 m/s | 5.1 |
| 1992 | 20.4°C | 16.3°C | 12.1°C | 30.4°C | 7.1°C | 42 mm | 76% | 0.6 m/s | 5.4 |
| 1991 🌧️ | 19.8°C | 16.2°C | 12.6°C | 26.3°C | 9.0°C | 204 mm | 81% | 0.7 m/s | 5 |
| 1990 | 21.1°C | 17.1°C | 13.1°C | 29.2°C | 9.0°C | 34 mm | 76% | 0.6 m/s | 5.2 |
| 1989 | 18.8°C | 15.1°C | 11.5°C | 23.5°C | 9.4°C | 76 mm | 80% | 0.5 m/s | 4.9 |
| 1988 | 19.3°C | 15.4°C | 11.5°C | 26.0°C | 8.3°C | 41 mm | 79% | 0.6 m/s | 4.9 |
| 1987 | 20.0°C | 15.6°C | 11.2°C | 27.9°C | 7.9°C | 21 mm | 76% | 0.6 m/s | 5.8 |
| 1986 | 22.6°C | 17.9°C | 13.2°C | 31.2°C | 8.7°C | 11 mm | 73% | 0.6 m/s | 5.8 |
| 1985 | 19.3°C | 15.0°C | 10.8°C | 24.4°C | 7.1°C | 28 mm | 74% | 0.6 m/s | 5.3 |
| 1984 | 18.0°C | 14.4°C | 10.8°C | 22.3°C | 8.1°C | 35 mm | 78% | 0.6 m/s | 4.3 |
| 1983 | 20.0°C | 15.9°C | 11.8°C | 29.0°C | 8.4°C | 38 mm | 75% | 0.7 m/s | — |
| 1982 | 18.9°C | 15.1°C | 11.4°C | 27.3°C | 8.6°C | 39 mm | 76% | 0.6 m/s | — |
| 1981 | 22.3°C | 18.0°C | 13.7°C | 34.5°C | 9.0°C | 36 mm | 74% | 0.6 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 20.6°C with lows near 12.6°C (mean 16.6°C), based on 45 years of NASA POWER data.
August averages 57 mm of rainfall in Powell River, one of the drier months. The wettest on record was 204 mm in 1991.
The hottest August reached 34.5°C in 1981. The coldest dipped to 6.6°C in 2008.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 2.5°C. Daytime highs moved from 19.7°C to 22.4°C and overnight lows from 11.7°C to 13.9°C over the same span.
August is one of the warmer months of the year in Powell River and one of the drier months, so plan for around 20.6°C daytime highs and 12.6°C at night.
Not quite — August is the 12th coolest month in Powell River, averaging 16.6°C.
For August in Powell River, pack light layers you can adjust through the day, with typical highs of 20.6°C and lows of 12.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 77% — quite humid.
Average wind speed in August is 0.6 m/s. The windiest August on record averaged 0.8 m/s (2008).
The wettest August on record was 1991 with 204 mm. On average, August sees 57 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 Powell River behaves each August, 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 August specifically, along with year-by-year records and how the month has changed over the decades.
