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Canmore Weather in August
August in Canmore averages 19°C (66°F) during the day and 4°C (39°F) at night. Quite a bit of rainfall is typical this month, with around 83 mm (3.3 in) on average. An umbrella is a good idea.
Rainfall in Canmore in August
Typically, you can expect about 12 days of rain this month, with 83 mm (3.3 in) on average. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Canmore in August
Expect highs of 19°C (66°F) in Canmore in August, with nights dropping to around 4°C (39°F). This month falls in the summer season. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights fall to 4°C (39°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Canmore in August
There are approximately 215 hours of sunshine this month, resulting in mostly clear days.Our weather planner can help you find worldwide destinations with pleasant weather during this period. July and August typically offer the best weather for Canmore.
Canmore Temperature in August
Min Temperature
4°C (39°F)
Max Temperature
19°C (66°F)
Chance of Rain
40%
Precipitation
83 mm (3.3 in)
Rainy days
12 days
Humidity
40% *
Sunshine
215 hours *
Percentage Sunshine
*
* Data from: Banff, Canada (18 KM, 11 Miles).
Canmore Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Canmore - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Canmore typically stay consistent throughout August, with daily highs averaging around 19°C (66°F). Nights are cold, with lows typically ranging from 6°C (43°F) to 9°C (48°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather records for Canmore in August
Browse day-by-day weather records for Canmore spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Canmore historical weather extremes in August
The extremes listed below come from historical weather data collected in Canmore from 1976 through 2026.
- On August 10, 2018, temperatures climbed to 35°C (95°F), marking the warmest August day on record.
- The lowest overnight temperature recorded in August was -4°C (25°F) (August 22, 1992).
Best Places in Canada in August
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in August →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Canmore in August
Pleasant temperatures in August mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Canmore in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling9/10 -
Walking9/10 -
Camping4/10 -
Outdoor sports9/10
Canmore 3-Day Forecast
More climate data for Canmore
Temperature Rainfall Sunshine Humidity
See the full Canmore climate overview or explore weather in Canada.
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Where to go in August - average daytime high across popular destinations.
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