Hottest (avg)
#2 / 12
Calgary 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 23°C / 73°F, with evenings cooling to 10°C / 50°F.
Skies are often changeable, and you should be prepared for regular rainfall (approx. 12 wet days).
August in context
How it compares to the rest of the year in Calgary.
Wettest (avg)
#3 / 12
Daylight Hours
#4 / 12
Windiest (avg)
#12 / 12
Highest UV
#4 / 12
Most Humid
#8 / 12
Temperature
- Daytime high
-
- Nighttime low
-
- Feels like (avg)
-
Sunshine
- Daylight
- 14.5 hours
- UV index (max)
- 7
- Typical sun hours
- 05:24 – 19:54
Rain & Snow
- Total
-
- Rainy days
- 12
- Cloud cover
- 47%
- Snowfall
-
Humidity & Wind
- Humidity (avg)
- 66%
- Wind (avg)
-
- Wind (max gusts)
-
Frequently asked questions
Is August a good time to visit Calgary?
Typical August days in Calgary reach highs of 23°C (73°F) with nights around 10°C (50°F). It usually feels warm 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 23°C (73°F) and lows near 10°C (50°F). That means warm days and cool nights, so pack layers you can add or remove.
How much does it rain in August?
Rainfall in August averages 62 mm (2.4 in) across roughly 12 days. Overall it is a quite rainy 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 05:24 and sunset near 19:54. You get long days with comfortable amounts of daylight.
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 9 km/h (6 mph), with gusts on the windiest days reaching about 44 km/h (27 mph). On the ground, it is it often feels breezy, especially in more exposed spots or along the coast.