Hottest (avg)
#2 / 12
Banff in August
August weather, climate averages, and packing tips.
Avg High
Avg Low
Rain
Daylight 14h
What to expect
As summer continues, August brings, where the air is cooling down. Thermometers typically reach 21°C / 70°F, with evenings cooling to 9°C / 48°F.
Skies are often changeable, and you should be prepared for regular rainfall (approx. 15 wet days).
August in context
How it compares to the rest of the year in Banff.
Wettest (avg)
#3 / 12
Daylight Hours
#4 / 12
Windiest (avg)
#12 / 12
Highest UV
#4 / 12
Most Humid
#11 / 12
Temperature
- Daytime high
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- Nighttime low
-
- Feels like (avg)
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Sunshine
- Daylight
- 14.5 hours
- UV index (max)
- 7
- Typical sun hours
- 05:30 – 20:00
Rain & Snow
- Total
-
- Rainy days
- 15
- Cloud cover
- 52%
- Snowfall
-
Humidity & Wind
- Humidity (avg)
- 66%
- Wind (avg)
-
- Wind (max gusts)
-
Frequently asked questions
Is August a good time to visit Banff?
Typical August days in Banff reach highs of 21°C (70°F) with nights around 9°C (48°F). It usually feels mild by day and cool after dark. It is among the wetter months, so it is wise to have some indoor backup plans or flexible activities.
What are temperatures like in August?
In August, you can usually expect highs of 21°C (70°F) and lows near 9°C (48°F). That means mild days and cool nights, so pack layers you can add or remove.
How much does it rain in August?
Rainfall in August averages 81 mm (3.2 in) across roughly 15 days. Overall it is a very wet time of year, so a light rain jacket and waterproof shoes are very handy.
How many hours of daylight are there in August?
You can expect about 14 hours of daylight in August. Sunrise is typically around 05:30 and sunset near 20:00. You get long days with comfortable amounts of daylight.
Does the weather change during August?
August usually begins milder and cools down as the month goes on, so late-August can feel more like the next month.
How strong is the sun in August?
UV levels are often high (around 7). Regular sunscreen and a hat are recommended.
Is it windy in August?
In August, average wind speeds are around 7 km/h (4 mph), with gusts on the windiest days reaching about 52 km/h (32 mph). On the ground, it is it can feel quite windy at times, particularly when weather systems move through.