August is one of the warmer months of the year in Colwood, with average highs near 20.7°C and lows around 12.4°C (mean 16.6°C). It is one of the drier months, averaging 36 mm of rainfall and 77% relative humidity across the period.
August is one of the warmer months of the year in Colwood. Across 45 years of records, the warmest August in Colwood was 2022 — when the month averaged 18.2°C — while the coldest was 1995 at 14.4°C. Typical August days reach 20.7°C with nights near 12.4°C. The long-term trend is warming, about 0.2°C per decade.
August is one of the drier months in Colwood, averaging 36 mm of rainfall. The wettest August on record was 1991 with 142 mm, while the driest was 1986 at 2 mm.
Relative humidity in Colwood during August averages 77%. The most humid August was 2025 at 83%, and the least humid was 1985 at 72%.
August receives about 5.5 kWh/m²/day of solar energy in Colwood. The sunniest Augusts were 1998 and 2006 at 6.1 kWh/m²/day, and the cloudiest were 1991 and 1995 at 4.9.
Average wind speed in Colwood during August is 1.1 m/s. The windiest August was 2021 at 1.4 m/s, while the calmest were 2013, 2024 and 2025, among others at 1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 16.1°C | 16.6°C | 16.4°C | 17.0°C | 16.9°C | +0.8°C |
| Avg High | 20.5°C | 20.6°C | 20.6°C | 21.2°C | 20.9°C | +0.4°C |
| Avg Low | 11.8°C | 12.6°C | 12.2°C | 12.8°C | 12.8°C | +1°C |
| Avg Rain | 23 mm | 47 mm | 36 mm | 31 mm | 43 mm | +19 mm |
August temperatures in Colwood have risen by about 1.1°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 8.3°C (1982) to a record high of 32.6°C (1981).
Rainfall in August is one of the drier months, averaging 36 mm, with a wettest year of 142 mm.
One of the best times to visit Colwood
August is one of the best times to visit Colwood. Expect days averaging 20.7°C and nights around 12.4°C (mean 16.6°C) — warmer than Colwood's yearly average — with moderate rainfall (36 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 | 20.1°C | 16.3°C | 12.5°C | 26.7°C | 10.2°C | 68 mm | 83% | 1 m/s | 5.4 |
| 2024 | 20.6°C | 16.5°C | 12.5°C | 26.1°C | 9.9°C | 77 mm | 80% | 1 m/s | 5 |
| 2023 | 21.6°C | 17.4°C | 13.2°C | 29.1°C | 10.6°C | 31 mm | 78% | 1.2 m/s | 5.5 |
| 2022 🔥 | 22.6°C | 18.2°C | 13.8°C | 27.8°C | 11.3°C | 16 mm | 78% | 1.1 m/s | 6 |
| 2021 | 20.7°C | 16.8°C | 12.8°C | 28.1°C | 10.5°C | 17 mm | 78% | 1.4 m/s | 5.3 |
| 2020 | 20.0°C | 16.0°C | 12.0°C | 29.3°C | 9.5°C | 49 mm | 79% | 1.2 m/s | 5.9 |
| 2019 | 21.2°C | 17.1°C | 13.0°C | 26.7°C | 10.7°C | 33 mm | 78% | 1.1 m/s | 5.3 |
| 2018 | 21.5°C | 17.3°C | 13.0°C | 28.6°C | 10.8°C | 24 mm | 76% | 1.1 m/s | 5.3 |
| 2017 | 22.2°C | 17.9°C | 13.5°C | 27.9°C | 10.6°C | 20 mm | 77% | 1.2 m/s | 5.9 |
| 2016 | 21.7°C | 17.4°C | 13.2°C | 30.2°C | 11.3°C | 30 mm | 76% | 1.1 m/s | 5.8 |
| 2015 | 21.4°C | 17.2°C | 13.1°C | 28.7°C | 11.1°C | 58 mm | 76% | 1.3 m/s | 5.4 |
| 2014 | 22.3°C | 17.8°C | 13.4°C | 30.2°C | 11.5°C | 33 mm | 76% | 1.1 m/s | 5.5 |
| 2013 | 20.7°C | 16.6°C | 12.6°C | 25.6°C | 9.9°C | 54 mm | 79% | 1 m/s | 5 |
| 2012 | 21.0°C | 16.7°C | 12.5°C | 29.2°C | 9.6°C | 12 mm | 76% | 1 m/s | 5.5 |
| 2011 | 19.7°C | 15.7°C | 11.6°C | 25.1°C | 9.9°C | 18 mm | 79% | 1.2 m/s | 5.7 |
| 2010 | 20.7°C | 16.3°C | 11.8°C | 30.5°C | 8.9°C | 32 mm | 75% | 1.2 m/s | 5.4 |
| 2009 | 20.4°C | 16.2°C | 11.9°C | 28.1°C | 10.0°C | 24 mm | 77% | 1 m/s | 5.2 |
| 2008 | 20.0°C | 16.0°C | 12.0°C | 29.7°C | 8.6°C | 60 mm | 77% | 1.1 m/s | 5 |
| 2007 | 19.4°C | 15.7°C | 12.0°C | 25.8°C | 10.3°C | 21 mm | 78% | 1.1 m/s | 5.2 |
| 2006 | 20.7°C | 16.3°C | 11.8°C | 26.2°C | 10.3°C | 7 mm | 75% | 1.2 m/s | 6.1 |
| 2005 | 21.7°C | 17.2°C | 12.7°C | 26.3°C | 10.8°C | 21 mm | 75% | 1.1 m/s | 6 |
| 2004 | 21.6°C | 17.6°C | 13.5°C | 28.2°C | 11.4°C | 100 mm | 78% | 1.2 m/s | 5.2 |
| 2003 | 21.3°C | 16.9°C | 12.6°C | 25.1°C | 10.3°C | 11 mm | 75% | 1.2 m/s | 5.8 |
| 2002 | 20.9°C | 16.4°C | 11.9°C | 28.2°C | 10.1°C | 8 mm | 76% | 1.2 m/s | 5.9 |
| 2001 | 20.1°C | 16.2°C | 12.3°C | 27.0°C | 10.6°C | 84 mm | 79% | 1.1 m/s | 5 |
| 2000 | 19.6°C | 15.6°C | 11.6°C | 24.8°C | 9.0°C | 20 mm | 78% | 1.2 m/s | 5.7 |
| 1999 | 20.0°C | 16.3°C | 12.6°C | 24.7°C | 9.7°C | 53 mm | 82% | 1.1 m/s | 5.2 |
| 1998 | 21.2°C | 17.0°C | 12.7°C | 27.6°C | 11.1°C | 8 mm | 79% | 1.3 m/s | 6.1 |
| 1997 | 21.5°C | 17.6°C | 13.6°C | 26.7°C | 11.3°C | 64 mm | 78% | 1 m/s | 5.7 |
| 1996 | 20.2°C | 16.2°C | 12.2°C | 27.0°C | 10.5°C | 20 mm | 77% | 1.2 m/s | 5.5 |
| 1995 ❄️ | 17.7°C | 14.4°C | 11.2°C | 22.2°C | 9.7°C | 67 mm | 80% | 1.2 m/s | 4.9 |
| 1994 | 20.9°C | 16.8°C | 12.7°C | 25.2°C | 11.1°C | 19 mm | 76% | 1.1 m/s | 5.4 |
| 1993 | 20.9°C | 16.8°C | 12.7°C | 30.9°C | 9.6°C | 26 mm | 76% | 1.1 m/s | 5.1 |
| 1992 | 21.5°C | 17.0°C | 12.5°C | 27.3°C | 10.3°C | 26 mm | 74% | 1 m/s | 5.5 |
| 1991 🌧️ | 20.2°C | 16.6°C | 12.9°C | 26.1°C | 10.2°C | 142 mm | 81% | 1.3 m/s | 4.9 |
| 1990 | 21.8°C | 17.4°C | 13.1°C | 30.0°C | 10.2°C | 41 mm | 75% | 1 m/s | 5.2 |
| 1989 | 19.4°C | 15.6°C | 11.8°C | 22.8°C | 10.0°C | 46 mm | 80% | 1.2 m/s | 5.1 |
| 1988 | 20.0°C | 15.7°C | 11.4°C | 26.4°C | 9.9°C | 23 mm | 76% | 1.1 m/s | 5.3 |
| 1987 | 20.9°C | 16.2°C | 11.6°C | 28.5°C | 9.6°C | 11 mm | 74% | 1.2 m/s | 5.7 |
| 1986 | 22.7°C | 17.8°C | 12.9°C | 29.0°C | 10.8°C | 2 mm | 73% | 1.1 m/s | 5.8 |
| 1985 | 20.0°C | 15.6°C | 11.1°C | 25.7°C | 8.8°C | 26 mm | 72% | 1.1 m/s | 5.6 |
| 1984 | 18.8°C | 14.8°C | 10.8°C | 23.6°C | 8.9°C | 24 mm | 78% | 1.1 m/s | 5.3 |
| 1983 | 20.3°C | 16.1°C | 11.9°C | 25.2°C | 10.1°C | 25 mm | 77% | 1.2 m/s | — |
| 1982 | 19.5°C | 15.4°C | 11.3°C | 26.3°C | 8.3°C | 28 mm | 76% | 1.1 m/s | — |
| 1981 | 22.5°C | 17.8°C | 13.2°C | 32.6°C | 9.5°C | 26 mm | 74% | 1 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 20.7°C with lows near 12.4°C (mean 16.6°C), based on 45 years of NASA POWER data.
August averages 36 mm of rainfall in Colwood, one of the drier months. The wettest on record was 142 mm in 1991.
The hottest August reached 32.6°C in 1981. The coldest dipped to 8.3°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1.1°C. Daytime highs moved from 20.2°C to 21.1°C and overnight lows from 11.7°C to 13°C over the same span.
August is one of the warmer months of the year in Colwood and one of the drier months, so plan for around 20.7°C daytime highs and 12.4°C at night.
Not quite — August is the 12th coolest month in Colwood, averaging 16.6°C.
For August in Colwood, pack light layers you can adjust through the day, with typical highs of 20.7°C and lows of 12.4°C.
Relative humidity in August averages 77% — quite humid.
Average wind speed in August is 1.1 m/s. The windiest August on record averaged 1.4 m/s (2021).
The wettest August on record was 1991 with 142 mm. On average, August sees 36 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 Colwood 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.
