Calgary Weather in August
Canada · August climate averages and travel tips
Expect warm days in Calgary in August: the average high is 24°C (76°F) and the average low is 11°C (51°F). August is summer in Canada. The month is moderately rainy, with about 62 mm (2.4 in) of rain spread over 10 days, making it the third wettest month of the year. You get roughly 14.4 hours of daylight and a mix of sun and cloud.
Is August a good time to visit Calgary?
Yes — August is one of the best months to visit Calgary. The weather rates excellent (9.6/10) on our comfort score.
Visiting Calgary in August
August weather
August feels warm in Calgary, with afternoons around 24°C and cooler evenings near 11°C. It's a good month for walking the Bow River pathways, visiting the Calgary Tower, or taking a day trip toward the Rockies. Rain falls on about 10 days, so showers can interrupt outdoor plans. Keep an indoor stop, such as the Glenbow at The Edison, in mind.
The long daylight gives you plenty of time outside, but don't expect every day to be sunny. Cloud cover is common, and the occasional wet afternoon can make a long mountain hike less appealing. For hikers, August is still a strong choice; just have a city activity ready if the weather turns.
Events and crowds
GlobalFest brings fireworks and cultural performances to Elliston Park in August. The area gets busy on event nights, so Calgary Transit's special shuttles can be easier than driving. Alberta's Heritage Day also falls on the first Monday in August, though it's not a province-wide statutory holiday.
Summer is peak season, and August stays popular with visitors heading to Calgary and the Rockies. Expect more people at major sights and higher hotel prices than in quieter months. July is a little warmer and September is cooler, but both are also among Calgary's best months to visit. Families who like outdoor days will find lots to do, but should expect company at popular spots.
A local tip
Calgary's elevation can make a brisk walk feel more tiring than you expect, especially if you've just arrived. Take it easy on the steep climb up Scotsman's Hill, where the view over downtown is worth the effort. Afterward, head to Inglewood for a meal; it's one of the city's oldest neighbourhoods and a handy place to duck into a café if rain rolls in.
August weather at a glance
| Average high | 24°C (76°F) |
|---|---|
| Average low | 11°C (51°F) |
| Daily mean | 17°C (63°F) |
| Rainfall | 62 mm (2.4 in) |
| Rainy days (1 mm+) | 10 |
| Humidity | 64% |
| Cloud cover | 57% |
| Daylight | 14.4 hours |
| Est. sunshine | 6.8 hours/day |
| Wind | 3.4 km/h |
| vs July | 1°C cooler than July, with similar rainfall. |
What to pack for Calgary in August
- T-shirts plus a light layer for the evening
- a sweater for cool nights
- an umbrella or rain jacket
Calgary weather in other months
← JulyBest time to visit CalgarySeptember →
Nearby in August
- Edmonton23°C · 58 mm
- Vancouver22°C · 32 mm
- Seattle, Washington24°C · 25 mm
- Victoria21°C · 26 mm
- Denver, Colorado32°C · 52 mm
Where else is good in August? See where to go in August.