Planning a trip to Calgary in August? You are in luck! The weather is generally good, with an average maximum temperature of +24°C and approximately 4 sunny days. Just be prepared for some rain, as there are usually around 12 rainy days and 67 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flightsin one click on Avionero.
Good to know:
August is usually the hottest month of the year in Calgary;
Average weather
☀️
+24°C
Avg. max. temperature
-3°C
Min.
+37°C
Max.
67 mm
Total precipitation
61%
Avg. humidity
3 m/s
Avg. wind
4 ☀️
Sunny Days
9 ⛅️
Cloudy
12 🌦
Rainy
Our opinion: Calgary has good weather in August.
Average temperature in Calgary in August
Here are the expected maximum, average and minimum temperatures in Calgary for August based on the historical data.
Last Year
Historical Data
Going from a maximum of +34°C during the day to a minimum of +5°C during the night, the temperature in August averages around +27°C.
The average maximum temperature goes down 21% by the end of the month, compared with the beginning of the month, from +29°C to +23°C.
Is Calgary warm or cold in August?
Calgary is typically warm in August.
Maximum temperatures go up compared to the previous month from +24°C to +24°C. The minimum temperature also goes up from +10°C to +10°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
August is the hottest month in Calgary, here is the comparison with other months:
Climate in Calgary in August
Calgary weather looks like this, on average, in August and the surrounding months.
July
August
September
Avg. temperature
+24°C
+24°C
+19°C
Min. temperature
+2°C
-3°C
-9°C
Max. temperature
+36°C
+37°C
+34°C
Rainfall
75 mm
67 mm
44 mm
Wind
3 m/s
3 m/s
3 m/s
Humidity
61%
61%
60%
Air pressure
1014 HPa
1014 HPa
1014 HPa
Sunny days
4
4
5
Cloudy days
7
9
12
Rainy days
13
12
10
Snowy days
0
0
1
August weather is still as good as in July.The temperature levels stay the same in the area of +24°C for average maximum temperature during the day.As August arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 75 mm to 67 mm.Humidity levels don’t change as the month goes on, averaging around 61%.The average wind speed doesn’t change much during August, staying around 3 m/s.The amount of sunny days stay about the same, averaging 4 sunny days during the month.
September brings much the same weather, it remains good.
Wind speed in Calgary in August based on historical data.
Last Year
Historical Data
The average wind speed is 3 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Calgary is gradually increasing during August, going from 3 m/s to 6 m/s over the course of the month.
Rain
Amount of rainfall in mm during August in Calgary based on historical data.
Last Year
Historical Data
Typically, there is a 29% chance of rain on an average day in August, with total rainfall of approximately 61 mm. The maximum amount of rainfall per day is around 22 mm, which is considered light rain.On average, there are about 9 rainy days during August, so prepare to bring an umbrella.
August is one of the rainiest months in Calgary, here is a comparison with other months, total mm:
Calgary wettest month is June, where a typical day has a 53% chance of precipitation and 104 mm of rainfall per day. January, on the other hand, is the driest month with a mere 3% chance of precipitation and 1 mm of rainfall per day.
How was the weather last August in Calgary?
This is the weather in Calgary in August 2023:
1 August
☀️
+29°C
2 August
☀️
+30°C
3 August
🌫️
+30°C
4 August
🌫️
+26°C
5 August
☁️
+25°C
6 August
🌫️
+27°C
7 August
🌫️
+26°C
8 August
🌫️
+25°C
9 August
🌫️
+25°C
10 August
☁️
+24°C
11 August
☀️
+24°C
12 August
☁️
+24°C
13 August
☀️
+29°C
14 August
☀️
+33°C
15 August
🌫️
+34°C
16 August
🌫️
+33°C
17 August
🌫️
+33°C
18 August
☁️
+33°C
19 August
🌫️
+16°C
20 August
🌫️
+21°C
21 August
🌫️
+20°C
22 August
🌫️
+19°C
23 August
🌫️
+23°C
24 August
☀️
+21°C
25 August
☁️
+23°C
26 August
☀️
+28°C
27 August
🌫️
+28°C
28 August
🌫️
+31°C
29 August
🌫️
+31°C
30 August
☁️
+31°C
31 August
🌫️
+23°C
In August 2023 Calgary had 7 sunny days, 6 cloudy days, and 0 rainy days. The average maximum temperature was +27°C, with an absolute maximum of +34°C and a minimum of +16°C. The average humidity was 63%, with a maximum of 100% and a minimum of 18%. The average wind speed was 3 m/s, with a maximum of 12 m/s and a minimum of 0 m/s.
Are you planning a trip in August?
Climate Change over Years
This is how Calgary climate have been changing during last 43 years period.
The climate in Calgary in August has not changed much over the last 43 years.
The average temperature was the lowest in 1996 (+8°C) and the highest in 2023 (+13°C). The driest year was 1979 with only 203 mm of rainfall, and the wettest year was 2019 with 702 mm.
FAQ
Frequently asked questions about the weather in Calgary in August:
Is August a good time to visit Calgary?
August is a really good time to go to Calgary. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Calgary.
Can you sunbathe in Calgary in August?
August is warm in Calgary. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.
Is Calgary rainy in August?
Calgary is often rainy in August. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Calgary in August?
Usually, it’s not very sunny in Calgary in August, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
For this page, we’ve looked at the typical weather in Calgary, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.