Calgary (AB) Sunshine Hours by Month

In climate discussions, the hours of sunlight reveal much about a location. This page shows the total number of hours of direct sunlight per month and the average hours per day in Calgary, Alberta, Canada. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020.

Monthly hours of sunshine

If you're visiting Calgary, timing is key. In July, you can enjoy up to 315 hours of sunshine, while the shorter days of December provide just 112 hours. The total annual amount of sun is 2397 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Calgary. While July receives considerable daily sunshine with up to 10.5 hours, December marks the darkest time of the year, where sunshine is scarce with only 3.7 hours of sunlight per day.

Average percent of sunshine

On average the sun shines 64% of the time during the day in July, the highest percentage of any month. November has the lowest percentage at 45%.

Calgary enjoys an average of 2397 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

In Lisbon, Portugal, there are approximately 2801 hours of sunshine annually, highlighting its warm and sunny Mediterranean climate.

In contrast, London, UK, receives only about 1659 hours of sunshine per year, known for its frequently overcast and rainy skies.

Beijing, China, has 2505 hours of sunshine annually, with clear, sunny days in winter.

Melbourne, Australia, has 2380 hours of sunshine annually, with its famous “four seasons in a day” weather pattern.

June, Calgary’s wettest month, receives 68 mm (2.7 in) of rainfall and has a maximum daytime temperature of 20°C (68°F). During the driest month January you can expect a temperature of -2°C (28°F).

For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Calgary Precipitation page.