Calgary weather
Our guide to the weather in Calgary during August
We've looked at the most up-to-date weather data for Calgary, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Calgary weather in August.
How warm is it in Calgary during August?
August is typically the warmest month in Calgary. The temperature reaches around 24℃ during the daytime, falling away to 10℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.
Does it rain in Calgary during August?
On average, there will be 5 rainy days during the month, amounting to 65.9mm in total. That's broadly comparable with the amount of rain we see in England during the summer months, and would be considered dry. There's a small chance that you'll catch a thunderstorm during your trip.
Is it windy in Calgary during August?
You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in August. With moderate humidity and mild air temperatures, the breeze will have a slight cooling effect.
How warm is the sea in Calgary during August?
The water around Calgary is around 17℃ during August. It will feel a little on the cool when first entering, but you'll warm up quickly. Most kids will have no problem with this temperature, but those who feel the cold are unlikely to want to swim.
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