Climate Insights for Calgary

The climate in Calgary is cool. The average annual temperature is 4°C and approximately 484 mm of precipitation falls per year. June is the wettest month, receiving around 96 mm of rainfall. Calgary is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are February, December, January, when temperatures can drop to -13°C. Snowfall occurs from January to December, with around 134cm accumulating over the season.The climate in Calgary is cool. The average annual temperature is 40°F and approximately 19.1 in of precipitation falls per year. June is the wettest month, receiving around 3.8 in of rainfall. Calgary is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are February, December, January, when temperatures can drop to 9°F. Snowfall occurs from January to December, with around 53in accumulating over the season.

Calgary has a wide annual temperature range, spanning 38°C from the coldest to warmest months. The warmest month is August, when average highs reach 25°C and the mean temperature sits around 17°C. The coldest month is February, when overnight lows fall to -13°C and the daily average is -9°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 8°C shift in average temperatures.Calgary has a wide annual temperature range, spanning 69°F from the coldest to warmest months. The warmest month is August, when average highs reach 78°F and the mean temperature sits around 62°F. The coldest month is February, when overnight lows fall to 9°F and the daily average is 17°F. On average, daily temperatures fluctuate by about 22°F between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 14°F shift in average temperatures.

Calgary is a relatively dry area, receiving approximately 484 mm of precipitation annually, which averages out to around 40 mm per month. The wettest month is June, averaging 96 mm of rainfall. July and May also tend to see above-average precipitation. The driest month is January, with just 11 mm. That's 85 mm less than June, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Snowfall is a regular feature from January to December, with around 134cm accumulating over the season. November typically sees the most snow at around 22cm.Calgary is a relatively dry area, receiving approximately 19.1 in of precipitation annually, which averages out to around 1.6 in per month. The wettest month is June, averaging 3.8 in of rainfall. July and May also tend to see above-average precipitation. The driest month is January, with just 0.4 in. That's 3.3 in less than June, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Snowfall is a regular feature from January to December, with around 53in accumulating over the season. November typically sees the most snow at around 9in.

Calgary is relatively calm, with an average annual wind speed of 10km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 11km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.Calgary is mildly breezy, with an average annual wind speed of 6mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is November, averaging 7mph, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 5mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2mph between the calmest and windiest months.

The best time to visit Calgary is during July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 64 mm per month. By contrast, February can be quite cold with temperatures dropping to -13°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.The best time to visit Calgary is during July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 62°F with modest rainfall averaging 2.5 in per month. By contrast, February can be quite cold with temperatures dropping to 9°F. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Calgary based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for Calgary based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in inches (in) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.