August is one of the warmer months of the year in Canmore, with average highs near 16.9°C and lows around 5°C (mean 11°C). It is about average for rainfall, averaging 64 mm of rainfall and 71% relative humidity across the period.
August is one of the warmer months of the year in Canmore. Across 45 years of records, the warmest August in Canmore was 2022 — when the month averaged 13.6°C — while the coldest was 1995 at 8.3°C. Typical August days reach 16.9°C with nights near 5°C. The long-term trend is warming, about 0.2°C per decade.
August is about average for rainfall in Canmore, averaging 64 mm of rainfall. The wettest August on record was 1989 with 158 mm, while the driest was 2001 at 14 mm.
Relative humidity in Canmore during August averages 71%. The most humid August was 2004 at 79%, and the least humid was 2001 at 57%.
August receives about 5.1 kWh/m²/day of solar energy in Canmore. The sunniest August was 1998 at 6 kWh/m²/day, and the cloudiest was 1989 at 4.3.
Average wind speed in Canmore during August is 0.3 m/s. The windiest Augusts were 2020, 2022 and 2025, among others at 0.3 m/s, while the calmest were 2021, 2023 and 2024, among others at 0.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 10.7°C | 11.0°C | 10.7°C | 10.8°C | 12.1°C | +1.4°C |
| Avg High | 16.7°C | 17.0°C | 16.8°C | 16.5°C | 17.8°C | +1.1°C |
| Avg Low | 4.7°C | 5.0°C | 4.6°C | 5.1°C | 6.3°C | +1.6°C |
| Avg Rain | 66 mm | 57 mm | 64 mm | 63 mm | 73 mm | +7 mm |
August temperatures in Canmore have risen by about 1.3°C between 1981–1985 and 2021–2025.
August has ranged from a record low of -5.5°C (1992) to a record high of 27.5°C (2021).
Rainfall in August is about average for rainfall, averaging 64 mm, with a wettest year of 158 mm.
One of the best times to visit Canmore
August is one of the best times to visit Canmore. Expect days averaging 16.9°C and nights around 5°C (mean 11°C) — warmer than Canmore's yearly average — with moderate rainfall (64 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 | 17.9°C | 12.5°C | 7.1°C | 23.0°C | 1.3°C | 56 mm | 77% | 0.3 m/s | 5.3 |
| 2024 | 17.3°C | 11.8°C | 6.2°C | 26.0°C | -0.8°C | 116 mm | 79% | 0.2 m/s | 4.8 |
| 2023 | 18.7°C | 12.8°C | 6.8°C | 25.5°C | -1.1°C | 61 mm | 72% | 0.2 m/s | 5.1 |
| 2022 🔥 | 19.6°C | 13.6°C | 7.5°C | 25.0°C | 0.9°C | 81 mm | 75% | 0.3 m/s | 5.4 |
| 2021 | 16.7°C | 11.0°C | 5.4°C | 27.5°C | -1.7°C | 90 mm | 74% | 0.2 m/s | 4.6 |
| 2020 | 16.9°C | 10.8°C | 4.7°C | 25.6°C | -3.0°C | 35 mm | 70% | 0.3 m/s | 5.9 |
| 2019 | 16.3°C | 10.5°C | 4.8°C | 21.5°C | 0.0°C | 77 mm | 78% | 0.3 m/s | 5 |
| 2018 | 16.7°C | 11.1°C | 5.6°C | 25.8°C | -0.5°C | 52 mm | 76% | 0.3 m/s | 5 |
| 2017 | 18.3°C | 11.8°C | 5.4°C | 23.5°C | -0.7°C | 20 mm | 71% | 0.3 m/s | 5.5 |
| 2016 | 15.9°C | 10.4°C | 5.0°C | 20.5°C | 2.0°C | 92 mm | 79% | 0.2 m/s | 4.9 |
| 2015 | 16.4°C | 10.9°C | 5.3°C | 22.6°C | -3.3°C | 104 mm | 72% | 0.3 m/s | 5 |
| 2014 | 16.3°C | 11.1°C | 5.9°C | 26.5°C | 0.0°C | 80 mm | 79% | 0.2 m/s | 4.7 |
| 2013 | 16.9°C | 11.4°C | 5.9°C | 21.3°C | 0.5°C | 57 mm | 76% | 0.3 m/s | 5.1 |
| 2012 | 17.5°C | 11.4°C | 5.3°C | 22.5°C | -1.5°C | 34 mm | 71% | 0.3 m/s | 5.7 |
| 2011 | 15.7°C | 10.1°C | 4.5°C | 19.9°C | -1.1°C | 53 mm | 73% | 0.3 m/s | 5.6 |
| 2010 | 15.0°C | 9.3°C | 3.6°C | 20.4°C | -2.8°C | 63 mm | 75% | 0.3 m/s | 4.8 |
| 2009 | 17.0°C | 10.9°C | 4.8°C | 24.3°C | -0.3°C | 63 mm | 70% | 0.3 m/s | 5.2 |
| 2008 | 15.9°C | 10.2°C | 4.4°C | 24.9°C | -1.7°C | 81 mm | 72% | 0.2 m/s | 5.3 |
| 2007 | 15.3°C | 9.4°C | 3.6°C | 22.9°C | -1.6°C | 68 mm | 70% | 0.3 m/s | 4.9 |
| 2006 | 16.3°C | 10.3°C | 4.3°C | 22.5°C | -0.4°C | 64 mm | 69% | 0.3 m/s | 5.3 |
| 2005 | 15.0°C | 9.4°C | 3.8°C | 21.2°C | -1.0°C | 86 mm | 74% | 0.3 m/s | 4.9 |
| 2004 | 16.7°C | 11.2°C | 5.7°C | 25.0°C | 1.5°C | 129 mm | 79% | 0.2 m/s | 4.6 |
| 2003 | 19.5°C | 13.2°C | 6.8°C | 26.9°C | 1.9°C | 24 mm | 60% | 0.3 m/s | 5.7 |
| 2002 | 15.5°C | 9.3°C | 3.1°C | 22.7°C | -3.5°C | 60 mm | 72% | 0.3 m/s | 5.2 |
| 2001 | 19.8°C | 12.7°C | 5.7°C | 27.2°C | 1.3°C | 14 mm | 57% | 0.3 m/s | 5.8 |
| 2000 | 16.7°C | 10.2°C | 3.8°C | 23.0°C | -3.6°C | 50 mm | 67% | 0.3 m/s | 5.4 |
| 1999 | 16.9°C | 11.1°C | 5.2°C | 22.3°C | -1.2°C | 76 mm | 77% | 0.3 m/s | 5 |
| 1998 | 19.0°C | 12.7°C | 6.5°C | 25.5°C | -1.1°C | 35 mm | 65% | 0.3 m/s | 6 |
| 1997 | 17.4°C | 11.2°C | 5.0°C | 26.9°C | -0.9°C | 43 mm | 67% | 0.3 m/s | 5.2 |
| 1996 | 18.6°C | 11.8°C | 5.0°C | 25.8°C | -1.0°C | 32 mm | 60% | 0.3 m/s | 5.6 |
| 1995 ❄️ | 14.0°C | 8.3°C | 2.6°C | 21.0°C | -2.4°C | 81 mm | 73% | 0.3 m/s | 4.6 |
| 1994 | 17.9°C | 11.5°C | 5.0°C | 25.9°C | -3.0°C | 85 mm | 63% | 0.3 m/s | 4.7 |
| 1993 | 13.9°C | 8.8°C | 3.7°C | 20.1°C | -0.3°C | 94 mm | 79% | 0.2 m/s | 4.7 |
| 1992 | 17.3°C | 10.7°C | 4.1°C | 27.0°C | -5.5°C | 25 mm | 60% | 0.2 m/s | 5.2 |
| 1991 | 18.0°C | 12.5°C | 6.9°C | 24.1°C | -1.2°C | 52 mm | 71% | 0.3 m/s | 5.1 |
| 1990 | 17.2°C | 11.5°C | 5.9°C | 22.7°C | -1.4°C | 46 mm | 72% | 0.3 m/s | 5.3 |
| 1989 🌧️ | 15.1°C | 9.8°C | 4.5°C | 26.6°C | 0.2°C | 158 mm | 76% | 0.2 m/s | 4.3 |
| 1988 | 16.9°C | 10.4°C | 4.0°C | 24.6°C | 0.1°C | 86 mm | 70% | 0.3 m/s | 4.7 |
| 1987 | 14.6°C | 8.6°C | 2.6°C | 22.2°C | -0.8°C | 83 mm | 73% | 0.2 m/s | 4.4 |
| 1986 | 19.0°C | 12.4°C | 5.8°C | 25.5°C | 0.4°C | 27 mm | 59% | 0.3 m/s | 5.5 |
| 1985 | 15.2°C | 9.1°C | 3.0°C | 22.8°C | -1.7°C | 83 mm | 67% | 0.3 m/s | 4.5 |
| 1984 | 18.3°C | 11.8°C | 5.2°C | 24.4°C | -4.0°C | 41 mm | 61% | 0.3 m/s | 5 |
| 1983 | 18.2°C | 12.3°C | 6.5°C | 23.3°C | 2.4°C | 36 mm | 69% | 0.3 m/s | — |
| 1982 | 14.7°C | 9.1°C | 3.6°C | 20.3°C | -0.8°C | 48 mm | 77% | 0.2 m/s | — |
| 1981 | 18.2°C | 12.6°C | 7.0°C | 23.3°C | 0.2°C | 34 mm | 72% | 0.3 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 16.9°C with lows near 5°C (mean 11°C), based on 45 years of NASA POWER data.
August averages 64 mm of rainfall in Canmore, about average for rainfall. The wettest on record was 158 mm in 1989.
The hottest August reached 27.5°C in 2021. The coldest dipped to -5.5°C in 1992.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1.3°C. Daytime highs moved from 16.9°C to 18°C and overnight lows from 5.1°C to 6.6°C over the same span.
August is one of the warmer months of the year in Canmore and about average for rainfall, so plan for around 16.9°C daytime highs and 5°C at night.
Not quite — August is the 11th coolest month in Canmore, averaging 11°C.
For August in Canmore, pack warm layers and a jacket for chilly mornings, with typical highs of 16.9°C and lows of 5°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 71% — moderately humid.
Average wind speed in August is 0.3 m/s. The windiest August on record averaged 0.3 m/s (1981).
The wettest August on record was 1989 with 158 mm. On average, August sees 64 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 Canmore 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.
