Lake Louise (AB) Temperature by Month

Lake Louise in Alberta, Canada sees significant seasonal temperature differences, with daytime highs between -11°C (12°F) in December and 16°C (61°F) in July, averaging 2°C (36°F) annually. Explore the full monthly breakdown below.

Depending on the time of the year, temperatures range from moderate to very cold in Lake Louise. At night, minimum temperatures range from 4°C (39°F) in July to -19°C (-2°F) in December.

The chart below illustrates the average maximum day and minimum night temperatures in Lake Louise by month:

Low temperatures are most often recorded between 4 AM and 6 AM, while highs typically occur around 3 PM. July, the city's warmest month, sees 255 hours of sunshine.

The chart below shows the average temperature throughout the year:

Lake Louise's average annual maximum temperature is 2°C (36°F). To put that in context, here's how it compares to a few well-known destinations:

Lisbon, Portugal averages 21°C (70°F) annually, warm summers, mild winters, and rain mainly in the cooler months.

Reykjavík, Iceland averages 9°C (48°F) a year, mild summers by Icelandic standards, but cold winters and frequent wind.

San Francisco, USA averages 19°C (66°F) annually, but with little seasonal variation, summers are often cool and foggy, winters mild.

Brisbane, Australia averages 26°C (79°F) a year, with warm winters and hot, humid summers.

Temperature alone doesn't tell the whole story, humidity plays a big role in how warm or cold it actually feels. High humidity in summer makes the heat feel more intense, particularly once temperatures climb above 25°C. In winter, the same humidity can make cold air feel sharper than the thermometer suggests.

In the cooler months, when temperatures drop below 10°C, high humidity makes the cold feel more cutting than it would in dry conditions.

In Lake Louise, December is the coolest month, with average highs of -11°C (12°F) and humidity around 66%, considered high. For a full picture, see our humidity page.

Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.

The readings come from a range of sources, land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.

For cities and regions with significant elevation, altitude is one of the biggest factors shaping local temperatures. As a rule of thumb, temperatures fall by around 6°C for every 1,000 metres gained, so a city at 2,000 metres will typically be around 12°C cooler than a city at sea level in the same region. Higher ground also tends to see more dramatic day-to-night temperature swings, since thinner air loses heat faster after sunset.

For more on Lake Louise's weather, including monthly rainfall, sunshine hours, and humidity, visit our Lake Louise climate page.