Calgary
August
Weather in Calgary for August 2025
Your guide to Calgary weather in August - trends and predictions
In general, the average temperature in Calgary at the beginning of August is 24.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 23.9 °C by the end of August.
Calgary sees moderate rainfall in August, averaging 10 rainy days.
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21
Dry days
10
Rainy days
0
Snow days
25°/11°
Temperatures
19 km/h
Avg max wind
58 %
Avg humidity
Calgary in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  28° | 2  29° | 3  28° | ||||
| 4 23° | 5  23° | 6  21° | 7  22° | 8 22° | 9 24° | 10 24° |
| 11 25° | 12 24° | 13 27° | 14 28° | 15 30° | 16 24° | 17 28° |
| 18  24° | 19 25° | 20 24° | 21 19° | 22 19° | 23 26° | 24 22° |
| 25 23° | 26 25° | 27 28° | 28 20° | 29 27° | 30  24° | 31 20° |
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Temperatures trend during August in Calgary
See the weather trend as well as the moving average line
August weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. | Sunny | 28° /11° | 0 mm | 7 | |
| 2 Aug. | Partly cloudy | 29° /13° | 0.1 mm | 8 | |
| 3 Aug. | Cloudy | 28° /12° | 1 mm | 6 | |
| 4 Aug. | Partly cloudy | 23° /13° | 6.1 mm | 6 | |
| 5 Aug. | Patchy rain possible | 23° /13° | 2 mm | 5 | |
| 6 Aug. | Overcast | 21° /11° | 1.5 mm | 5 | |
| 7 Aug. | Moderate rain at times | 22° /10° | 0.8 mm | 5 | |
| 8 Aug. | Moderate rain at times | 22° /11° | 1.4 mm | 5 | |
| 9 Aug. | Moderate or heavy rain shower | 24° /10° | 1.9 mm | 6 | |
| 10 Aug. | Overcast | 24° /9° | 0 mm | 5 | |
| 11 Aug. | Cloudy | 25° /10° | 1.4 mm | 6 | |
| 12 Aug. | Patchy rain possible | 24° /11° | 0.2 mm | 6 | |
| 13 Aug. | Partly cloudy | 27° /10° | 0.9 mm | 7 | |
| 14 Aug. | Cloudy | 28° /13° | 0.9 mm | 6 | |
| 15 Aug. | Cloudy | 30° /13° | 0.8 mm | 7 | |
| 16 Aug. | Partly cloudy | 24° /12° | 4 mm | 6 | |
| 17 Aug. | Sunny | 28° /12° | 0.6 mm | 7 | |
| 18 Aug. | Heavy rain at times | 24° /9° | 2.3 mm | 6 | |
| 19 Aug. | Patchy rain possible | 25° /9° | 0.1 mm | 6 | |
| 20 Aug. | Cloudy | 24° /9° | 0 mm | 6 | |
| 21 Aug. | Heavy rain at times | 19° /10° | 5.7 mm | 4 | |
| 22 Aug. | Moderate or heavy rain shower | 19° /10° | 5.7 mm | 5 | |
| 23 Aug. | Overcast | 26° /11° | 0 mm | 6 | |
| 24 Aug. | Cloudy | 22° /8° | 0.2 mm | 5 | |
| 25 Aug. | Overcast | 23° /8° | 0.4 mm | 5 | |
| 26 Aug. | Partly cloudy | 25° /10° | 0 mm | 7 | |
| 27 Aug. | Sunny | 28° /11° | 0.1 mm | 8 | |
| 28 Aug. | Sunny | 20° /10° | 16.9 mm | 5 | |
| 29 Aug. | Sunny | 27° /10° | 0 mm | 7 | |
| 30 Aug. | Thundery outbreaks possible | 24° /11° | 0.2 mm | 6 | |
| 31 Aug. | Light rain shower | 20° /10° | 5.5 mm | 5 | |
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Important Notice
Our weather forecast for Calgary in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Calgary forecast closer to your planned date for the most up-to-date weather information.
Calgary in August - FAQ
What are the expected maximum and minimum temperatures in Calgary during August?
Enjoy moderate daytime temperatures of up to 25° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Calgary during August?
In August, Calgary can expect light to moderate rainfall, totaling 42.7 mm across approximately 10 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Calgary during August?
The average wind speed in Calgary during August is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
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