Calgary Weather in August

Canada · August climate averages and travel tips

Avg high24°C (76°F)
Avg low11°C (51°F)
Rainfall62 mm (2.4 in)
RatingExcellent 9.6/10

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 high24°C (76°F)
Average low11°C (51°F)
Daily mean17°C (63°F)
Rainfall62 mm (2.4 in)
Rainy days (1 mm+)10
Humidity64%
Cloud cover57%
Daylight14.4 hours
Est. sunshine6.8 hours/day
Wind3.4 km/h
vs July1°C cooler than July, with similar rainfall.

What to pack for Calgary in August

Calgary weather in other months

Jan-1°C / -10°C16 mmPoorFeb0°C / -10°C23 mmPoorMar5°C / -6°C27 mmFairApr10°C / -2°C45 mmFairMay17°C / 4°C79 mmGoodJun20°C / 8°C118 mmGoodJul25°C / 12°C59 mmExcellentAug24°C / 11°C62 mmExcellentSep20°C / 7°C49 mmExcellentOct12°C / 1°C31 mmGoodNov3°C / -5°C26 mmPoorDec-2°C / -10°C24 mmPoor

← JulyBest time to visit CalgarySeptember →

Nearby in August

Where else is good in August? See where to go in August.