August weather forecast
Calgary, Canada

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The magnificent skyscrapers of the city of Calgary, Canada
The magnificent skyscrapers of the city of Calgary, Canada

Weather in August

As August arrives, Calgary continues to revel in the warmth with temperatures slightly dropping from July to 22.9°C (73.2°F). Decreasing rainfalls, receding to 23mm (0.91"), coupled with maintained low levels of humidity shape a comfortable outdoor experience. The prolonged sunshine hours enhance the city's natural splendor, making it an ideal time for recreational activities. August carries the spirit of summer, providing the perfect backdrop for barbecues, picnics, and outdoor festivities.

Temperature

August is the warmest month, exhibiting average temperatures of 22.9°C (73.2°F) at the peak and 9.8°C (49.6°F) at the base.

Humidity

The average relative humidity in August in Calgary is 61%.

Rainfall

In Calgary, in August, during 10.3 rainfall days, 23mm (0.91") of precipitation is typically accumulated. In Calgary, during the entire year, the rain falls for 94.1 days and collects up to 288mm (11.34") of precipitation.

Snowfall

July and August are months without snowfall in Calgary.

Daylight

In August, the average length of the day is 14h and 29min.
On the first day of the month, sunrise is at 6:03 am and sunset at 9:21 pm. On the last day of August, in Calgary, sunrise is at 6:49 am and sunset at 8:23 pm MDT.

Sunshine

The average sunshine in August in Calgary is 10.9h.

UV index

The average daily maximum UV index in August is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 4 during August translates into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.

Frequently asked questions

What is the hottest time of year in Calgary?

August, recognised by an average high temperature of 22.9°C (73.2°F) and a low of 9.8°C (49.6°F), is Calgary's warmest month.

What is the average August temperature in Calgary?

An average high-temperature, in August, in Calgary, is 22.9°C (73.2°F) and the average low-temperature is 9.8°C (49.6°F).

What is the average humidity in August in Calgary?

The average relative humidity in August in Calgary, Canada, is 61%.

How much does it rain in Calgary in August?

In Calgary, Canada, in August, during 10.3 rainfall days, 23mm (0.91") of precipitation is typically accumulated.

When it does not snow in Calgary?

In Calgary, Canada, snow does not fall in July and August.

Does it snow in Calgary in August?

In Calgary, in August, it doesn't snow. In September, it regularly snows.

How many hours of daylight does Calgary have in August?

The average day length in August in Calgary is 14h and 29min.

What time are sunrise and sunset in August in Calgary?

In August, on the first day of the month, sunrise is at 6:03 am and sunset at 9:21 pm. On the last day of the month, in Calgary, sunrise is at 6:49 am and sunset at 8:23 pm MDT.

How long on average sun shines in August in Calgary?

In August, the average sunshine duration in Calgary is 10.9h.

What is the UV index intensity in August in Calgary?

In August, the average daily maximum UV index in Calgary is 4. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in August
Calgary, Canada

Average temperature in August - Calgary, Canada
  • Average high temperature in August: 22.9°C

The warmest month (with the highest average high temperature) is August (22.9°C).
The month with the lowest average high temperature is December (-4.8°C).

  • Average low temperature in August: 9.8°C

The month with the highest average low temperature is July (10°C).
The coldest month (with the lowest average low temperature) is December (-11.5°C).

Average pressure in August
Calgary, Canada

Average pressure in August - Calgary, Canada
  • Average pressure in August: 1013.1mbar

The month with the highest atmospheric pressure is February (1019.3mbar).
The month with the lowest atmospheric pressure is June (1010.8mbar).

Average wind speed in August
Calgary, Canada

Average wind speed in August - Calgary, Canada
  • Average wind speed in August: 10.3km/h

The windiest month (with the highest average wind speed) is January (13.1km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).

Average humidity in August
Calgary, Canada

Average humidity in August - Calgary, Canada
  • Average humidity in August: 61%

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is September (59%).

Average rainfall in August
Calgary, Canada

Average rainfall in August - Calgary, Canada
  • Average rainfall in August: 23mm

The wettest month (with the highest rainfall) is June (65mm).
The driest month (with the least rainfall) is January (9mm).

Average rainfall days in August
Calgary, Canada

Average rainfall days in August - Calgary, Canada
  • Average rainfall days in August: 10.3 days

The month with the highest number of rainy days is June (17 days).
The month with the least rainy days is November (2.5 days).

Average snowfall in August
Calgary, Canada

Average snowfall in August - Calgary, Canada
  • Average snowfall in August: 0mm

The month with the highest snowfall is April (102mm).
The months with the least snowfall are July and August (0mm).

Average snowfall days in August
Calgary, Canada

Average snowfall days in August - Calgary, Canada
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (12.9 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in August /
Average sunshine in August
Calgary, Canada

Average daylight in August / Average sunshine in August - Calgary, Canada
  • Average daylight in August: 14h and 3min

The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).

  • Average sunshine in August: 10h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

Average sunshine days in August
Calgary, Canada

Average sunshine days in August - Calgary, Canada
  • Average sunshine days in August: 17.5 days

The month with the most sunshine days is October (22.1 days).
The month with the least sunshine days is June (10.7 days).

Average UV index in August
Calgary, Canada

Average UV index in August - Calgary, Canada
  • Average UV index in August: 4

The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in August
Calgary, Canada

Average cloud cover in August - Calgary, Canada
  • Average cloud cover in August: 24

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility in August
Calgary, Canada

Average visibility in August - Calgary, Canada
  • Average visibility in August: 10km

The months with the highest visibility are June, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, July, October, November and December (9km).

Calgary, Canada

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