What August feels like in Calgary
In Calgary, August brings late summer. Afternoons are mild and comfortable for most people in light layers. Nights are cool; with a gap of about 12.2°C (22°F) between afternoon and night, early mornings can surprise you. Humidity is on the high side, but mild temperatures keep it comfortable.
Rain in Calgary in August
Showers are a regular feature, arriving about one day in 3. Each rainy day adds about 6.2 mm (0.2 in), a proper wetting rather than a sprinkle. Across the year Calgary averages about 5.3 mm per rainy day, so August is typical.
Daylight and sunshine in August
In mid-August, sunrise is at about 6:22 am and sunset at about 9:00 pm (local time) — 14 h 39 min of daylight. Evenings are drawing in — 1 h 30 min less daylight than mid-July. About 81% of daylight hours are sunny; in short, skies are mostly clear.
How August compares to the rest of the year
August is the 2nd warmest month of the year in Calgary. Against July, the average high is 0.6°C (1.1°F) lower, with 5 mm less rain. Temperatures keep falling into September. By September, typical highs are 18.4°C (65.1°F).
Who August suits
- Sightseeing: a good fit — daytime temperatures are fine for walking around.
- Parks & outdoor: a good fit — good conditions for sitting outside.
- Hiking: a good fit — mild temperatures for trails.
Tips for visiting Calgary in August
Versatile Layers
Mornings and evenings are cooler than midday, so dress in layers.
Rain Protection
Keep a small umbrella in your bag and wear shoes that cope with puddles.
Sunglasses
Plenty of sun, so bring sunglasses and a cap.
Quick questions
How warm is Calgary in August?
Expect around 22.7°C (72.9°F) in the afternoon and 10.5°C (50.9°F) at night, which most visitors would call mild.
Does it rain a lot in Calgary in August?
Quite a lot — 56 mm spread over about 9 days.
What should I wear in Calgary in August?
Based on the averages: versatile layers, rain protection and sunglasses. Bring something extra for the cooler evenings.
Is August or September better for visiting Calgary?
September, narrowly: it ranks #1 of 12 among Calgary's months, against #2 for the other. September is cooler and has fewer rainy days.